Doctor profile · Federal record

Dr. Shant Tomassian, MD

Family Medicine Physician (CMS: Family Practice) · Geriatric Medicine (Family Medicine) Physician · Geriatric Medicine (Family Medicine) Physician · Student in an Organized Health Care Education/Training Program · Glendora, CA

  • NPI 1215594692
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
415 W Route 66 Ste 201
Glendora, CA 917404335
(626) 963-0900
fax (626) 963-9663
Mailing address
1115 S Sunset Ave
West Covina, CA 917903940

Credentials & registration

NPPES · NUCC
NPI registered
May 2019 — 7 yrs on file
Profile last updated
July 18, 2022
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
California #A179858 · California #PTL1731

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215594692. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$281
Transactions
12
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Boehringer Ingelheim Pharmaceuticals, Inc. 3 $54.94
Esperion Therapeutics, Inc. 2 $48.10
SHIELD THERAPEUTICS INC 1 $33.72
Gilead Sciences, Inc. 2 $31.96
Novartis Pharmaceuticals Corporation 1 $31.25
IRONWOOD PHARMACEUTICALS, INC 1 $29.93
Lilly USA, LLC 1 $28.64
Bayer Healthcare Pharmaceuticals Inc. 1 $22.09

By nature of payment

Food and Beverage
$281

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,075
Patients
74
Total drug cost
$41,752
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 247 19 $1,911
Losartan Potassium Generic 228 13 $1,069
Levothyroxine Sodium Generic 222 17 $1,686
Gabapentin Generic 211 12 $1,755
Amlodipine Besylate Generic 209 13 $742
Furosemide Generic 143 0 $541
Potassium Chloride Generic 121 0 $899
Lisinopril Generic 100 0 $328
Meloxicam Generic 100 0 $343
Metoprolol Tartrate Generic 90 0 $355

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Shant Tomassian's medical specialty?
Dr. Shant Tomassian practices Family Medicine Physician in Glendora, CA.
Where does Dr. Shant Tomassian practice?
Dr. Shant Tomassian practices at 415 W Route 66 Ste 201, Glendora, CA 917404335. Office phone: 6269630900.
What is Dr. Shant Tomassian's NPI?
Dr. Shant Tomassian's National Provider Identifier (NPI) is 1215594692, issued by NPPES.
Does Dr. Shant Tomassian accept Medicare assignment?
Yes. Dr. Shant Tomassian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.