Doctor profile · Federal record

Dr. Boris Bagdasarian, D.O.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Glendale, CA

  • NPI 1598758062
  • Accepts Medicare
  • MIPS 96.9 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1505 Wilson Ter, Suite 200
Glendale, CA 912064071
(818) 409-0105
fax (818) 409-0151
Mailing address
541 W Colorado St Ste 205
Glendale, CA 912043640

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
March 13, 2020
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #20A6598

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598758062. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
101,936
Distinct HCPCS
10
Medicare allowed
$2,105,007
HCPCS Description Services Patients Avg allowed
Q5101 Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgram 33,265 46 $0
J1100 Injection, dexamethasone sodium phosphate, 1 mg 8,557 160 $0
J9271 Injection, pembrolizumab, 1 mg 8,257 16 $54
J9263 Injection, oxaliplatin, 0.5 mg 7,360 14 $0
J1568 Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg 5,403 72 $41
J0897 Injection, denosumab, 1 mg 3,891 54 $23
J9267 Injection, paclitaxel, 1 mg 3,763 14 $0
99214 Established patient office or other outpatient visit, 30-39 minutes 3,076 721 $139
J1453 Injection, fosaprepitant, 1 mg 3,026 17 $0
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 2,718 708 $8

In context: peer comparison

Among 4 peers in this city , average services per provider: 2,144. This provider delivers 48× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$6,426
Transactions
175
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 18 $716.48
AstraZeneca Pharmaceuticals LP 18 $461.64
Celgene Corporation 23 $381.72
Janssen Biotech, Inc. 10 $339.82
PFIZER INC. 18 $313.63
Incyte Corporation 9 $305.30
ABBVIE INC. 10 $277.35
Eisai Inc. 11 $271.09
Lilly USA, LLC 9 $251.71
Merck Sharp & Dohme LLC 7 $206.11
E.R. Squibb & Sons, L.L.C. 11 $203.53
Takeda Pharmaceuticals U.S.A., Inc. 7 $197.79
Astellas Pharma US Inc 12 $178.39
Gilead Sciences, Inc. 6 $166.93
Genentech USA, Inc. 6 $140.89

By nature of payment

Food and Beverage
$5,735
Long term medical supply or device loan
$499
Education
$192

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,550
Patients
697
Total drug cost
$8,630,801
Drug Type Claims Patients Total cost
Dexamethasone Sodium Phosphate Generic 614 122 $2,824
Diphenhydramine Hcl Generic 601 119 $1,529
Octagam (Immun Globg(Igg)/Malt/Iga Ov50) Brand 525 70 $2,843,000
Procrit (Epoetin Alfa) Brand 288 81 $1,033,596
Famotidine (Famotidine/Pf) Brand 215 59 $415
Zarxio (Filgrastim-Sndz) Brand 200 46 $339,018
Palonosetron Hcl Generic 173 47 $17,471
Letrozole Generic 142 25 $2,264
Ibrance (Palbociclib) Brand 135 15 $2,269,401
Lupron Depot (Leuprolide Acetate) Brand 134 21 $347,424

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Boris Bagdasarian's medical specialty?
Dr. Boris Bagdasarian practices Hematology & Oncology Physician in Glendale, CA.
Where does Dr. Boris Bagdasarian practice?
Dr. Boris Bagdasarian practices at 1505 Wilson Ter, Glendale, CA 912064071. Office phone: 8184090105.
What is Dr. Boris Bagdasarian's NPI?
Dr. Boris Bagdasarian's National Provider Identifier (NPI) is 1598758062, issued by NPPES.
Does Dr. Boris Bagdasarian accept Medicare assignment?
Yes. Dr. Boris Bagdasarian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Boris Bagdasarian commonly perform?
Top Medicare-reported procedures in 2023: Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgram (HCPCS Q5101); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Injection, pembrolizumab, 1 mg (HCPCS J9271). Source: CMS Medicare Physician & Other Practitioners file.