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DR. ANNA TER-ZAKARIAN MD
NPI 1174085492
Internal Medicine - Hematology & Oncology in South Pasadena, CA

Active since April 04, 2019PECOS EnrolledAccepts Medicare Assignment
209 FAIR OAKS AVE, SOUTH PASADENA, CA 91030(858) 554-8779 Get Directions Write a Review

NPPES record last updated: July 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 16, 2025, Nov 21, 2024, Apr 4, 2019 (3 updates tracked since 2019).

About Dr. Anna Ter-zakarian Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANNA TER-ZAKARIAN MD (NPI 1174085492) is an individual hematology & oncology provider in South Pasadena, California, licensed in California (A178247) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1174085492
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameDR. ANNA TER-ZAKARIANCredential: MD
Location Address209 FAIR OAKS AVESouth Pasadena, CA 91030-1814
Mailing AddressPo Box 512185Los Angeles, CA 90051-0185
Phone(858) 554-8779
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateApril 4, 2019
Last NPPES UpdateJuly 17, 20253 updates tracked since enumeration
NPPES CertifiedJuly 17, 2025
✔ NPI 1174085492 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · A178247
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
209 FAIR OAKS AVE, South Pasadena, CA 91030
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Anna Ter-zakarian Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5092240101
PECOS Enrollment IDI20250725000234
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Anna Ter-zakarian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

City Of Hope Medical Foundation
10 mi
Hematology & Oncology
1500 DUARTE RD
Duarte, CA 91010
  • Reassigned Medicare billing, California enrollment
  • 1,335 clinicians in this Medicare group
NPI 1871886366 (626) 256-4673

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DANIEL JAE KIM M.D.
Internal Medicine (Hematology & Oncology)
209 FAIR OAKS AVE
SOUTH PASADENA, CA 91030
Los Angeles County (626) 396-2900
DR. WEI FENG MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
209 FAIR OAKS AVE
SOUTH PASADENA, CA 91030
Los Angeles County (626) 396-2900
DR. AARON G LEWIS MD
Surgery (Surgical Oncology)
209 FAIR OAKS AVE
SOUTH PASADENA, CA 91030
Los Angeles County (626) 775-3514
DR. AMY CATON POLVERINI MD
Surgery (Surgical Oncology)
209 FAIR OAKS AVE
SOUTH PASADENA, CA 91030
Los Angeles County (626) 396-2900
MRS. HANNAH MORA PA, MPH
Physician Assistant
209 FAIR OAKS AVE
SOUTH PASADENA, CA 91030
Los Angeles County (626) 396-2900
KATHARINE SCHULZ-COSTELLO D.O.
Surgery
209 FAIR OAKS AVE
SOUTH PASADENA, CA 91030
Los Angeles County (626) 396-2900
CITY OF HOPE MEDICAL FOUNDATION
Internal Medicine (Hematology & Oncology)
209 FAIR OAKS AVE
SOUTH PASADENA, CA 91030
Los Angeles County (626) 396-2900
CHRISTINA YEON M.D.
Internal Medicine (Hematology & Oncology)
209 FAIR OAKS AVE
SOUTH PASADENA, CA 91030
Los Angeles County (626) 396-2900

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Anna Ter-zakarian's NPI number?

The NPI number for Anna Ter-zakarian is 1174085492. It was assigned to this individual provider in the NPPES registry on April 4, 2019.

Where is Anna Ter-zakarian located?

Anna Ter-zakarian practices at 209 Fair Oaks Ave, South Pasadena, CA 91030. The listed phone number is (858) 554-8779.

What is Anna Ter-zakarian's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Anna Ter-zakarian enrolled in Medicare?

Yes. Anna Ter-zakarian is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Anna Ter-zakarian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Ter-zakarian reassigns Medicare benefits to City Of Hope Medical Foundation (Duarte, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Anna Ter-zakarian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Anna Ter-zakarian was last updated on July 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.