TUAN DUNG KHAC NGUYEN MD
NPI 1508362492
Internal Medicine - Infectious Disease in San Diego, CA
NPI Status: Active since April 01, 2018
- Individual
- Male
- Internal Medicine
- Infectious Disease
- PECOS Enrolled
About TUAN DUNG NGUYEN
This page provides the complete NPI Profile along with additional information for Tuan Dung Nguyen, an internist established in San Diego, California with a medical specialization in Internal Medicine, focusing in infectious disease . The healthcare provider is registered in the NPI registry with number 1508362492 assigned on April 2018. The practitioner's primary taxonomy code is 207RI0200X with license number 163449 (CA). The provider is registered as an individual and his NPI record was last updated 2 years ago.
- NPI
- 1508362492
- Provider Name
- TUAN DUNG KHAC NGUYEN MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 5055 RUFFIN RD SAN DIEGO, CA 92123
- Location Phone
- (858) 302-7263
- Mailing Address
- 5055 RUFFIN RD SAN DIEGO, CA 92123
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-01-2018
- Last Update Date
- 09-26-2023
- Code Navigator
An internist like Tuan Dung Nguyen 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 Infectious Disease
- Taxonomy Code
- 207RI0200X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 163449
- License State
- CA
- Taxonomy Description
- An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Medicare Participation & PECOS Enrollment Status
Tuan Dung Nguyen 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
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
Physician Visit Costs
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 92123 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99204
- Average New Patient Price $140.22
- Minimum New Patient Price $62.1
- Maximum New Patient Price $184.71
- Average New Patient Copayment $35.05
- Minimum New Patient Copayment $15.52
- Maximum New Patient Copayment $46.17
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99214
- Average Established Patient Price $108.42
- Minimum Established Patient Price $20.62
- Maximum Established Patient Price $151.42
- Average Established Patient Copayment $27.1
- Minimum Established Patient Copayment $5.15
- Maximum Established Patient Copayment $37.85
* 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.
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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 | 5 | 0 | 8 | 3 | 6 | 2 | 4 | 9 | 2 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 5 | 0 | 8 | 6 | 6 | 4 | 4 | 18 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 5 + 0 + 8 + 6 + 6 + 4 + 4 + 1 + 8 + 24 = 68 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 70 - 68 = 2 | 2 | ||||||||
The NPI number 1508362492 is valid because the calculated check digit 2 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following 20 providers are registered at the same or nearby location.
| NPI | Name / Type | Taxonomy | Address |
|---|---|---|---|
| 1851413421 | JASMINE MATTHIESEN Individual | Registered Nurse (Case Management) | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-7340 |
| 1093907172 | MISS ERIKA BUENROSTRO Individual | Case Manager/Care Coordinator | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-7410 |
| 1730474537 | COUNTY OF SAN DIEGO Organization | Clinic/Center (Public Health, State or Local) | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-8390 |
| 1750658183 | ANGEL F. VAZQUEZ-MURILLO RN Individual | Registered Nurse (Community Health) | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-7320 |
| 1053669200 | MR. KRISANTO P EQUIPADO Individual | Registered Nurse | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-7320 |
| 1417391020 | ERIKA GARCIA RN Individual | Registered Nurse | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-7326 |
| 1649617077 | HEATHER L COZART RN, PHN Individual | Registered Nurse | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-7322 |
| 1356760334 | JULIETTA LOSOYA Individual | Registered Nurse | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-7300 |
| 1750746988 | EILEEN CRISTOBAL BSN, RN Individual | Registered Nurse (Community Health) | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-7333 |
| 1225575327 | MR. CHRISTOPHER THOMAS WARD RN Individual | Registered Nurse | 5055 RUFFIN RD SAN DIEGO, CA 92123 (619) 731-3126 |
| 1609315415 | COUNTY OF SAN DIEGO Organization | Nursing Care | 5055 RUFFIN RD SAN DIEGO, CA 92123 (619) 721-5445 |
| 1841702818 | CHERI CUATICO RN, PHN Individual | Registered Nurse (Community Health) | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-7308 |
| 1316079171 | MRS. SHERRY LEE CECCANESE R.N. Individual | Registered Nurse | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-7300 |
| 1346886702 | MRS. DEANNA BARRON-GLASS LVN Individual | Licensed Vocational Nurse | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-7311 |
| 1104439520 | MARIEL LORA Individual | Registered Nurse | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-7300 |
| 1164178315 | ANDREA GALLO PALAFOX RN Individual | Registered Nurse | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-7300 |
| 1144948068 | JULIA NICOLE VICENCIO R.N. Individual | Registered Nurse | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-7300 |
| 1992426910 | CELIA GUADALUPE PIRITA RN Individual | Registered Nurse | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-7300 |
| 1023735644 | LAURA APODACA FERNANDEZ LVN Individual | Licensed Vocational Nurse | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-7300 |
| 1851000160 | MS. LUISEL PEARL KO GAZA MSN, APRN, FNP-C Individual | Nurse Practitioner (Family) | 5055 RUFFIN RD SAN DIEGO, CA 92123 (858) 573-8324 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1508362492, enumerated in the NPI registry as an "individual" on April 01, 2018
The provider is located at 5055 Ruffin Rd San Diego, Ca 92123 and the phone number is (858) 302-7263
The provider's speciality is Internal Medicine with taxonomy code 207RI0200X with a focus in Infectious Disease
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.
Medicare beneficiaries should expect a typical cost of $140.22 with an average copayment of $35.05 for new patient appointments. Established patients should expect a typical charge of $108.42 and an average copayment of 27.1. Please review your insurance plan or contact the provider directly to determine your specific costs.
This NPI record was last updated on April 01, 2018. 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].
NPI Profile data is regularly updated with the latest NPI registry information, if you would like to update or remove your NPI Profile in this website please contact us.