Doctor profile · Federal record

Dr. Afshin Gabayan, M.D.

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

  • NPI 1659412757
  • Accepts Medicare
  • MIPS 68.7 / 100 · 2023
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8900 Wilshire Blvd
Beverly Hills, CA 902111958
(310) 432-8900
fax (310) 432-8901
Mailing address
8900 Wilshire Blvd Ste 200
Beverly Hills, CA 902111967

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
September 19, 2025
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #A055613
Medicaid
CA #00A556130

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659412757. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
43,877
Distinct HCPCS
10
Medicare allowed
$374,920
HCPCS Description Services Patients Avg allowed
J1439 Injection, ferric carboxymaltose, 1 mg 30,000 25 $1
J0897 Injection, denosumab, 1 mg 3,181 16 $18
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,212 24 $0
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 1,079 330 $8
80053 Blood test, comprehensive group of blood chemicals 1,048 342 $10
J2405 Injection, ondansetron hydrochloride, per 1 mg 873 17 $0
36415 Insertion of needle into vein for collection of blood sample 696 289 $8
99215 Established patient office or other outpatient visit, 40-54 minutes 503 190 $195
83615 Lactate dehydrogenase (enzyme) level 480 229 $6
82977 Glutamyltransferase (liver enzyme) level 371 194 $7

In context: peer comparison

Among 7 peers in Beverly Hills Hematology & Oncology Physician, average services per provider: 704. This provider delivers 62× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$6,291
Transactions
68
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 6 $3,972.99
AstraZeneca Pharmaceuticals Lp 12 $535.10
Daiichi Sankyo INC. 12 $251.64
Sun Pharmaceutical Industries INC. 6 $177.53
Lilly USA, LLC 2 $115.11
Abbvie INC. 4 $111.77
Incyte Corporation 4 $103.98
Gilead Sciences, INC. 4 $103.60
Genmab U.S., INC. 3 $99.75
Takeda Pharmaceuticals U.S.A., INC. 4 $98.97
Janssen Biotech, INC. 2 $81.85
Bayer Healthcare Pharmaceuticals INC. 3 $78.00
Dendreon Pharmaceuticals LLC 2 $56.12
Regeneron Healthcare Solutions, INC. 2 $52.94
Tempus Ai, INC 2 $47.56

By nature of payment

Consulting Fee
$3,574
Food and Beverage
$2,703
Education
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
427
Patients
28
Total drug cost
$2,194,979
Drug Type Claims Patients Total cost
Ondansetron Hcl Generic 47 16 $602
Dexamethasone Sodium Phosphate Generic 40 0 $128
Xtandi (Enzalutamide) Brand 40 0 $603,542
Bicalutamide Generic 38 0 $750
Zirabev (Bevacizumab-Bvzr) Brand 37 0 $175,889
Jakafi (Ruxolitinib Phosphate) Brand 33 0 $642,422
Prochlorperazine Maleate Generic 32 12 $486
Erleada (Apalutamide) Brand 26 0 $356,327
Mirtazapine Generic 26 0 $568
Eliquis (Apixaban) Brand 24 0 $16,583

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Afshin Gabayan's medical specialty?
Dr. Afshin Gabayan practices Hematology & Oncology Physician in Beverly Hills, CA.
Where does Dr. Afshin Gabayan practice?
Dr. Afshin Gabayan practices at 8900 Wilshire Blvd, Beverly Hills, CA 902111958. Office phone: 3104328900.
What is Dr. Afshin Gabayan's NPI?
Dr. Afshin Gabayan's National Provider Identifier (NPI) is 1659412757, issued by NPPES.
Does Dr. Afshin Gabayan accept Medicare assignment?
Yes. Dr. Afshin Gabayan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Afshin Gabayan commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, denosumab, 1 mg (HCPCS J0897); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100). Source: CMS Medicare Physician & Other Practitioners file.