Boris Bagdasarian, D.O.
Hematology & Oncology Physician · Glendale, CA
Boris Bagdasarian, D.O. is a hematology & oncology physician with a practice address in Glendale, California, and NPI 1598758062, issued on Aug 30, 2005. Check the license (California 20A6598, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Boris Bagdasarian
- Credential
- D.O.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 20A6598 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1505 Wilson Ter, Glendale, CA 91206
- Phone
- (818) 409-0105
- Enumerated
- Aug 30, 2005
- Record last updated
- Mar 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (818) 409-0151
- Medicare enrollment
- Enrolled (PECOS I20111130000371); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1505 Wilson Ter
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dariush Arfaania, M.D.Nephrology Physician1265543755
- Eddie Avedikian, PHARM.D.Pharmacist1144417825
- Estelita Calica, M.D.Psychiatry Physician1548368665
- Vladimir Camarce, N.P.Nurse Practitioner1306214242
- Sarah Carroll, M.D.Otolaryngology Physician1962608281
- Mara Coyne, PA-CSurgical Physician Assistant1902852155
Verify Boris Bagdasarian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A6598Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.7 times the Medicare Part D claims of the average hematology & oncology physician in 2024
3,271 Medicare Part D claims for 407 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims. 51 claims were for opioids.
Most prescribed
- Procrit310 claims
- Xtandi155 claims
- Letrozole130 claims
- Fulvestrant125 claims
- Kisqali113 claims
- Lupron Depot109 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $6,426.09
247 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Los Angeles Hematology-Oncology Medical GroupGlendale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
Other hematology & oncology physician records in California
- Mark Abate, M.D.Santa Barbara, CA1588778674
- Iman Abdalla, MDLos Angeles, CA1730248311
- Haifaa Abdulhaq, MDFresno, CA1508024647
- Nihal Abdulla, MDLos Alamitos, CA1750585345
- Mehrad Abedi, M.D.Sacramento, CA1467459222
- Oyewale Abidoye, M.D.La Jolla, CA1790841815
- Mohammed Abu Zaanona, MDSanta Barbara, CA1922591197
- Mohamad Adada, M.D., PHDRoseville, CA1528590734
- Jesse Adams, MDSacramento, CA1851479554
- Thompson Adams, MDSanta Monica, CA1407880891
Common questions
What is Boris Bagdasarian, D.O.'s NPI number?
Boris Bagdasarian, D.O.'s National Provider Identifier (NPI) is 1598758062, issued on Aug 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Boris Bagdasarian, D.O. located?
The NPPES record lists a practice address at 1505 Wilson Ter, Glendale, CA, 91206. Phone: (818) 409-0105. Providers update this record themselves, so call before visiting.
How can I verify Boris Bagdasarian, D.O.'s license?
NPPES lists California license number 20A6598, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Boris Bagdasarian, D.O. prescribe under Medicare Part D?
In 2024, Boris Bagdasarian, D.O. had 3,271 Medicare Part D claims for 407 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Boris Bagdasarian, D.O.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.