Boris Bagdasarian, D.O.
NPI 1598758062 · Hematology & Oncology Physician · Glendale, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Boris Bagdasarian, D.O. is a Hematology & Oncology Physician provider in Glendale, CA (NPI 1598758062).
Provider details
- NPI number
- 1598758062
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A6598 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
18,976 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 2,767 | $138 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 2,446 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 2,184 | $9 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 1,845 | $122 |
| Assessment of Emotional Or Behavioral Problems96127 | 1,485 | $5 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 1,180 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Epoetin Alfabrand: Procrit | 310 | 103 |
| Enzalutamidebrand: Xtandi | 155 | 26 |
| Letrozole | 130 | 27 |
| Fulvestrant | 125 | 17 |
| Ribociclib Succinatebrand: Kisqali | 113 | 20 |
| Leuprolide Acetatebrand: Lupron Depot | 109 | 21 |
| Palbociclibbrand: Ibrance | 100 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,426 across 247 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-30
- Last updated
- 2020-03-13
- Certified
- 2020-03-13
Frequently asked questions
- What is Boris Bagdasarian's NPI number?
- Boris Bagdasarian's National Provider Identifier (NPI) is 1598758062, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Boris Bagdasarian's specialty?
- Boris Bagdasarian is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Boris Bagdasarian located?
- Boris Bagdasarian's practice location on file with NPPES is 1505 Wilson Ter, Glendale, CA 91206-4071.
- What is Boris Bagdasarian's phone number?
- The practice phone number listed in the NPPES registry for Boris Bagdasarian is (818) 409-0105.
- Does Boris Bagdasarian accept Medicare?
- Boris Bagdasarian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Boris Bagdasarian's NPI active?
- Yes — Boris Bagdasarian's NPI (1598758062) is active in the NPPES registry as of the last update on 2020-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.