DR. TAN DINH NGO M.D.
NPI 1770503997
Internal Medicine in Westminster, CA
Quality Rating: 29.77 out of 100 score
NPI Status: Active since July 20, 2006
Contact Information
9431 EDINGER AVE
WESTMINSTER, CA
ZIP 92683
Phone: (714) 839-8400
Fax: (714) 839-8230
- Individual
- Male
- Years of Experience 35
- Internal Medicine
- Accepts Medicare Approved Payment
- PECOS Enrolled
About TAN NGO
This page provides the complete NPI Profile along with additional information for Tan Ngo, an internist established in Westminster, California with a medical specialization in Internal Medicine and more than 35 years of experience. He graduated from University Of Southern California Keck School Of Medicine in 1991. The healthcare provider is registered in the NPI registry with number 1770503997 assigned on July 2006. The practitioner's primary taxonomy code is 207R00000X with license number G75839L (CA). The provider is registered as an individual and his NPI record was last updated 3 years ago.
- NPI
- 1770503997
- Provider Name
- DR. TAN DINH NGO M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 9431 EDINGER AVE WESTMINSTER, CA 92683
- Location Phone
- (714) 839-8400
- Location Fax
- (714) 839-8230
- Mailing Address
- 9431 EDINGER AVE WESTMINSTER, CA 92683
- Mailing Phone
- (714) 839-8400
- Mailing Fax
- (714) 839-8230
- Medical School Name
- UNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
- Graduation Year
- 1991
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 07-20-2006
- Last Update Date
- 11-30-2022
- Code Navigator
An internist like Tan Ngo is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Internal Medicine
- Taxonomy Code
- 207R00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G75839L
- License State
- CA
- Taxonomy Description
- A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Medicare Participation & PECOS Enrollment Status
Tan Ngo is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.
Tan Ngo is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
PECOS PAC ID: 1153517545
What is the PECOS Associate Control ID?
A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.PECOS Enrollment ID: I20101124000682
What is the Provider Enrollment ID?
The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.Accepts Medicare Assignment? Yes
What does it mean "accepts medicare assignment"?
When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes
Provider Referred Orders for Durable Medical Equipment, Devices & Supplies
The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.
Durable Medical Equipment
DME-Other DME (DE017N)
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips (HCPCS:A4253)
10 DME suppliers used 64 Medicare Claims 131 Services Paid
DME-Medical/Surgical Supplies (DA000N)
Lancets, per box of 100 (HCPCS:A4259)
10 DME suppliers used 45 Medicare Claims 50 Services Paid
DME-Other DME (DE000N)
Pharmacy dispensing fee for inhalation drug(s); per 30 days (HCPCS:Q0513)
2 DME suppliers used 11 Medicare Claims 11 Services Paid
Drugs Administered Through DME
DME-Drugs Administered Through DME (DG006N)
Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme (HCPCS:J7620)
2 DME suppliers used 12 Medicare Claims 1380 Services Paid
Areas of Expertise
The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.
Administration of influenza virus vaccine
Application of electrical stimulation with therapist present, each 15 minutes
Application of mechanical traction
Application of ultrasound, each 15 minutes
Aspiration and/or injection of fluid from large joint
Aspiration and/or injection of fluid from medium joint
Aspiration and/or injection of fluid from small joint
Established patient office or other outpatient visit, 10-19 minutes
Established patient office or other outpatient visit, 20-29 minutes
Established patient office or other outpatient visit, 30-39 minutes
Evaluation for physical therapy, typically 30 minutes
Influenza vaccine split virus, preservative free
Infusion into a vein for hydration, 31-60 minutes
Infusion into a vein for hydration, each additional hour
Inhalation treatment for airway obstruction or sputum production
Injection into tendon or ligament
Injection of drug or substance under skin or into muscle
Injection of trigger points, 3 or more muscles
Injection, methylprednisolone sodium succinate, up to 125 mg
New patient office or other outpatient visit, 45-59 minutes
Removal of impacted ear wax
Ringers lactate infusion, up to 1000 cc
Simple repair of surface wound of scalp, neck, underarms, trunk, arms, or legs, 2.5 cm or less
Simple repair of surface wound of scalp, neck, underarms, trunk, arms, or legs, 2.6-7.5 cm
Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
This service was performed 125 times for 125 patientsElectrical stimulation is a therapeutic treatment that sends light electrical pulses to a specific area of your body. This is done under the supervision of a therapist for 15-minute intervals. It can reduce pain, stimulate muscles, and improve circulation.
This service was performed 950 times for 205 patientsMechanical traction is a therapy method often used to alleviate back and neck pain. It involves a special machine that gently stretches your spine, reducing pressure on your discs and nerves. This process can help improve mobility, and relieve discomfort.
This service was performed 2,244 times for 205 patientsUltrasound is a medical procedure that uses high-frequency sound waves to capture live images from inside your body. It's a painless process typically lasting 15 minutes per session. This method aids in diagnosing conditions and monitoring health without any radiation exposure.
This service was performed 6,328 times for 205 patientsThis procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
This service was performed 244 times for 186 patientsThis procedure involves a needle being inserted into a medium-sized joint, such as a knee or shoulder, to remove (aspirate) excess fluid. Sometimes, medication may also be injected into the joint to reduce inflammation and pain.
This service was performed 148 times for 109 patientsThis procedure involves inserting a thin needle into a small joint to remove (aspirate) or inject fluid. It can help diagnose conditions, relieve discomfort, or administer medication directly into the joint. It's generally safe with minimal discomfort.
This service was performed 318 times for 129 patientsThis is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
This service was performed 388 times for 179 patientsThis is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
This service was performed 1,553 times for 251 patientsThis is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
This service was performed 157 times for 125 patientsAn evaluation for physical therapy is a 30-minute session where a physical therapist assesses your current physical condition. They'll examine your strength, flexibility, balance, and mobility to identify areas needing improvement. This helps tailor a therapy plan to your specific needs.
This service was performed 372 times for 204 patientsThe Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
This service was performed 124 times for 124 patientsThis is a procedure where a sterile solution is administered into your vein to help restore body fluid balance. It typically lasts between 31-60 minutes. It's a safe, common treatment for dehydration or to deliver medication.
This service was performed 253 times for 107 patientsThis procedure involves delivering fluids directly into your vein to keep your body hydrated. It is typically done when oral hydration is insufficient. Each additional hour means more fluid is infused to ensure adequate hydration.
This service was performed 254 times for 107 patientsInhalation treatment, also known as nebulizer therapy, helps clear airway obstructions and reduce sputum production. It involves breathing in medication through a device, turning it into a mist. This can open up the airways, making breathing easier and helping to cough out mucus.
This service was performed 764 times for 206 patientsAn injection into a tendon or ligament involves placing medication directly into these areas to help reduce inflammation and pain. It's often used for conditions like arthritis or tendonitis. The procedure is quick and usually involves a local anesthetic.
This service was performed 42 times for 40 patientsThis procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
This service was performed 766 times for 207 patientsTrigger point injection therapy involves injecting medication into specific areas of your muscles, known as trigger points. These are areas that produce pain and discomfort. If you have three or more muscles affected, each will be treated individually.
This service was performed 129 times for 113 patientsMethylprednisolone sodium succinate is a steroid medication injected into a muscle or vein. It helps reduce inflammation and immune response. It's used for various conditions like allergies, arthritis, breathing problems, or skin diseases. It's important to follow your doctor's instructions.
This service was performed 765 times for 207 patientsThis is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
This service was performed 34 times for 34 patientsImpacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.
This service was performed 171 times for 169 patientsA Ringers lactate infusion is a treatment where a solution, containing essential electrolytes and lactate, is delivered into your bloodstream through an IV. This helps to replenish fluids and maintain balance in your body. It's often used during or after surgery.
This service was performed 255 times for 108 patientsThis is a procedure to fix a minor wound on your scalp, neck, underarms, trunk, arms, or legs that is 2.5 cm or less. It involves cleaning, and then stitching or gluing the wound to help it heal properly and minimize scarring.
This service was performed 19 times for 19 patientsThis is a procedure to mend a surface wound measuring between 2.6-7.5 cm on your scalp, neck, underarms, trunk, arms, or legs. It involves cleaning, closing and dressing the wound to promote healing and prevent infection.
This service was performed 91 times for 79 patientsThis therapy involves exercises to boost strength, endurance, flexibility, and range of motion. Each session lasts 15 minutes. The goal is to improve physical function and overall health. It's a safe, beneficial method for enhancing well-being and fitness.
This service was performed 6,362 times for 206 patientsPhysician Visit Costs
The typical physician office visit costs for Medicare beneficiaries in this area are: $35.59 for a new patient copayment and $27.49 for an established patient copayment.
The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.
For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.
The prices below reflect the costs for new and established patients in the 92683 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99204
- Average New Patient Price $142.39
- Minimum New Patient Price $62.96
- Maximum New Patient Price $187.6
- Average New Patient Copayment $35.59
- Minimum New Patient Copayment $15.74
- Maximum New Patient Copayment $46.9
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99214
- Average Established Patient Price $109.96
- Minimum Established Patient Price $20.84
- Maximum Established Patient Price $153.61
- Average Established Patient Copayment $27.49
- Minimum Established Patient Copayment $5.21
- Maximum Established Patient Copayment $38.4
* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.
Overall MIPS Quality Performance
The provider participated in CMS Quality Payment Program under the Merit-based Incentive Payment System (MIPS) and has an overall final score of 29.77, based on four performance areas: quality, improvement activities, promoting interoperability, and cost. The purpose of this information is to help people with Medicare make informed decisions and incentivize doctors and clinicians to maximize performance.
The Merit-based Incentive Payment System (MIPS) is a way providers could use to participate in CMS Quality Payment Program (QPP). The MIPS program affects clinician reimbursement for Part B covered professional services and also rewards them for improving the quality of patient care and outcomes.
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Final Score: 29.77 out of 100
The MIPS program evaluates providers across multiple categories with a specific weight for each category resulting a in a MIPS final score that ranges from 0 to 100 points. The MIPS Final Score determines whether providers receive a negative, neutral or positive MIPS payment adjustment.
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Quality Score: 0
The Quality category assesses providers performance on clinical practices and patient outcomes under the traditional MIPS program. The quality measures help identify the quality of healthcare processes, outcomes, and patient experiences. The Quality measure category compromises 40% providers final MPIS scores.
There are six collection types for MIPS quality measures: Electronic Clinical Quality Measures (eCQMs), MIPS Clinical Quality Measures (CQMs), Qualified Clinical Data Registry (QCDR) Measures, Medicare Part B claims measures, CMS Web Interface measures and The Consumer Assessment of Healthcare Providers and Systems (CAHPS) for MIPS Survey.
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Promoting Interoperability Score: N/A
The Interoperability category measures the providers ability to use technology to exchange and make use of healthcare information in a way that is less burdensome and improves outcomes. The Interoperability measure category compromises 25% providers final MPIS scores.
The MIPS Interoperability measure focuses on the use of certified electronic health record technology (CEHRT) to improve patient access health information, the exchange of information between clinicians and pharmacies and the systematic collection, analysis, and interpretation of healthcare data. -
Improvement Activities Score: 0
The Improvement Activities performance category evaluates the providers participation in clinical activities that support the improvement of clinical practice, care delivery, and outcomes. Providers have the option to choose 2 to 4 activities from an inventory of over 100 improvement activities. Providers typically choose the activities that best fit their needs. The improvement activities measure category compromises 15% providers final MPIS scores.
The Improvement measures aim to better patient engagement, patient safety and other areas of patient care. The Improvement Activities category compromises 15% of providers final MPIS scores. -
Cost Score: 99.25
The Cost performance category asses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.
Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category compromises 20% of providers final MPIS scores. -
Cost Score: 99.25
The Cost performance category asses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.
Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category compromises 20% of providers final MPIS scores.
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NPI Validation Check Digit Calculation
The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
Start with the original NPI number, the last digit is the check digit and is not used in the calculation. | |||||||||
1 | 7 | 7 | 0 | 5 | 0 | 3 | 9 | 9 | 7 |
Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
2 | 7 | 14 | 0 | 10 | 0 | 6 | 9 | 18 | |
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
2 + 7 + 1 + 4 + 0 + 1 + 0 + 0 + 6 + 9 + 1 + 8 + 24 = 63 | |||||||||
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
70 - 63 = 7 | 7 |
The NPI number 1770503997 is valid because the calculated check digit 7 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following provider is registered at the same or nearby location.
NPI | Name / Type | Taxonomy | Address |
---|---|---|---|
1467692871 | KIM NGUYEN N PHAM OMD, LA.C Individual | Acupuncturist | 9431 EDINGER AVE WESTMINSTER, CA 92683 (714) 839-8400 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1770503997, enumerated in the NPI registry as an "individual" on July 20, 2006
The provider is located at 9431 Edinger Ave Westminster, Ca 92683 and the phone number is (714) 839-8400
The provider's speciality is Internal Medicine with taxonomy code 207R00000X
The provider has more than 35 years of experience. He graduated from University Of Southern California Keck School Of Medicine in 1991.
Yes, as of June 20, 2025 the provider is registered in PECOS and is eligible to order health care services or supplies for Medicare patients. If you are a beneficiary the provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
The provider has an overall high rating in the following quality measures: coordinates care and seeks improvement of health outcomes.
Medicare beneficiaries should expect a typical cost of $142.39 with an average copayment of $35.59 for new patient appointments. Established patients should expect a typical charge of $109.96 and an average copayment of 27.49. Please review your insurance plan or contact the provider directly to determine your specific costs.
The most common procedures or services performed by this practitioner are: Administration of influenza virus vaccine, Application of electrical stimulation with therapist present, each 15 minutes, Application of mechanical traction, Application of ultrasound, each 15 minutes, Aspiration and/or injection of fluid from large joint, Aspiration and/or injection of fluid from medium joint, Aspiration and/or injection of fluid from small joint, Established patient office or other outpatient visit, 10-19 minutes, Established patient office or other outpatient visit, 20-29 minutes, Established patient office or other outpatient visit, 30-39 minutes, Evaluation for physical therapy, typically 30 minutes, Influenza vaccine split virus, preservative free, Infusion into a vein for hydration, 31-60 minutes, Infusion into a vein for hydration, each additional hour, Inhalation treatment for airway obstruction or sputum production, Injection into tendon or ligament, Injection of drug or substance under skin or into muscle, Injection of trigger points, 3 or more muscles, Injection, methylprednisolone sodium succinate, up to 125 mg, New patient office or other outpatient visit, 45-59 minutes, Removal of impacted ear wax, Ringers lactate infusion, up to 1000 cc, Simple repair of surface wound of scalp, neck, underarms, trunk, arms, or legs, 2.5 cm or less, Simple repair of surface wound of scalp, neck, underarms, trunk, arms, or legs, 2.6-7.5 cm and Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes.
This NPI record was last updated on July 20, 2006. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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