NATALIE SEISER MD
NPI 1255571949
Surgery - Surgical Oncology in Glendale, CA

NPI Status: Active since February 20, 2009

Contact Information

1505 WILSON TER STE 150
GLENDALE, CA
ZIP 91206
Phone: (818) 484-8049
Fax: (818) 484-8059

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  • Individual
  • Female
  • Years of Experience 20
  • Surgery
  • Surgical Oncology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About NATALIE SEISER

This page provides the complete NPI Profile along with additional information for Natalie Seiser, a provider established in Glendale, California with a medical specialization in Surgery, focusing in surgical oncology and more than 20 years of experience. She graduated from New York University School Of Medicine in 2006. The healthcare provider is registered in the NPI registry with number 1255571949 assigned on February 2009. The practitioner's primary taxonomy code is 2086X0206X with license number A106156 (CA). The provider is registered as an individual and her NPI record was last updated 5 years ago.

NPI
1255571949
Provider Name
NATALIE SEISER MD
Gender
Female
Entity Type
Individual
Location Address
1505 WILSON TER STE 150 GLENDALE, CA 91206
Location Phone
(818) 484-8049
Location Fax
(818) 484-8059
Mailing Address
1505 WILSON TER STE 150 GLENDALE, CA 91206
Mailing Phone
(818) 275-4759
Medical School Name
NEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduation Year
2006
Is Sole Proprietor?
No
Enumeration Date
02-20-2009
Last Update Date
08-18-2020
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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

Surgery Surgical Oncology

Taxonomy Code
2086X0206X
Type
Allopathic & Osteopathic Physicians
License No.
A106156
License State
CA
Taxonomy Description
A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.

Medicare Participation & PECOS Enrollment Status

Natalie Seiser 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.

Natalie Seiser 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: 8628390713

    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: I20141126001232

    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

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.

Coronary artery bypass graft (CABG)

Coronary artery bypass graft (CABG) is a surgery to improve blood flow to your heart. It involves taking a blood vessel from another part of your body and using it to reroute blood around a blocked or narrowed artery in your heart. This can help reduce chest pain and minimize the risk of heart attacks.

This service was performed for 1-10 patients

Follow-up hospital inpatient care per day, typically 25 minutes

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

This service was performed 37 times for 12 patients

Hernia repair - groin (open)

Hernia repair in the groin area (open) is a surgical procedure to fix a bulge or protrusion, caused by internal tissues pushing through a weak spot in your abdominal wall. In this operation, a small incision is made in the groin area. The protruding tissue is then placed back into the abdomen, and the weakened area is reinforced with stitches or a mesh.

This service was performed for 1-10 patients

Hernia repair (minimally invasive)

Hernia repair is a surgery to fix a hernia - a condition where an organ pushes through an opening in the muscle or tissue that holds it in place. Minimally invasive hernia repair involves small incisions, a tiny camera, and special surgical tools. This method often leads to quicker recovery, less pain, and reduced scarring compared to traditional surgery.

This service was performed for 1-10 patients

Initial hospital inpatient care per day, typically 70 minutes

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

This service was performed 13 times for 11 patients

Mastectomy

A mastectomy is a surgical procedure that involves the removal of all or part of the breast tissue. This is often done to treat or prevent conditions related to abnormal cell growth. There are different types, ranging from removing only the breast tissue to also removing nearby structures. The approach depends on individual health circumstances.

This service was performed for 1-10 patients

Melanoma (skin cancer) excision

Melanoma excision is a procedure where a surgeon removes melanoma, a type of skin cancer, and some surrounding healthy tissue. Local anesthesia is applied to numb the area. The goal is to completely remove the cancer and prevent its spread. Healing time varies.

This service was performed for 1-10 patients

Removal of lymph nodes of abdominal cavity

The removal of lymph nodes in the abdominal cavity is a procedure done to eradicate disease, often cancer. It involves a surgical operation where small glands in your abdomen, known as lymph nodes, are removed. This helps prevent the spread of disease.

This service was performed 12 times for 12 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $46.9 for a new patient copayment and $19.49 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 91206 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $187.6
  • Minimum New Patient Price $62.96
  • Maximum New Patient Price $187.6
  • Average New Patient Copayment $46.9
  • 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 99213

  • Average Established Patient Price $77.96
  • Minimum Established Patient Price $20.84
  • Maximum Established Patient Price $153.61
  • Average Established Patient Copayment $19.49
  • 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.

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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.
1255571949
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
22105107298
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 2 + 1 + 0 + 5 + 1 + 0 + 7 + 2 + 9 + 8 + 24 = 61
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
70 - 61 = 99

The NPI number 1255571949 is valid because the calculated check digit 9 using the Luhn validation algorithm matches the last digit of the original NPI number.

Other Providers at the Same Location


The following 4 providers are registered at the same or nearby location.

NPI Name / Type Taxonomy Address
1184670408 RAFFI A CHALIAN MD
Individual
Obstetrics & Gynecology (Gynecologic Oncology)1505 WILSON TER STE 150
GLENDALE, CA 91206
(818) 484-8611
1841856523ACADEMIC SURGICAL ASSOCIATES INC.
Organization
Surgery (Surgical Oncology)1505 WILSON TER STE 150
GLENDALE, CA 91206
(818) 484-8611
1144802810BETTER OPTIONS BREAST CARE
Organization
Surgery1505 WILSON TER STE 150
GLENDALE, CA 91206
(818) 539-1985
1568238061NATALIE SEISER MD, INC.
Organization
Surgery (Surgical Oncology)1505 WILSON TER STE 150
GLENDALE, CA 91206
(818) 484-8049

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255571949, enumerated in the NPI registry as an "individual" on February 20, 2009

The provider is located at 1505 Wilson Ter Ste 150 Glendale, Ca 91206 and the phone number is (818) 484-8049

The provider's speciality is Surgery with taxonomy code 2086X0206X with a focus in Surgical Oncology

The provider has more than 20 years of experience. She graduated from New York University School Of Medicine in 2006.

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 $187.6 with an average copayment of $46.9 for new patient appointments. Established patients should expect a typical charge of $77.96 and an average copayment of 19.49. 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: Coronary artery bypass graft (CABG), Follow-up hospital inpatient care per day, typically 25 minutes, Hernia repair - groin (open), Hernia repair (minimally invasive), Initial hospital inpatient care per day, typically 70 minutes, Mastectomy, Melanoma (skin cancer) excision and Removal of lymph nodes of abdominal cavity.

This NPI record was last updated on February 20, 2009. 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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