Doctor profile · Federal record

Dr. Grant Sarkisyan, M.D.

Surgery Physician (CMS: General Surgery) · Colon & Rectal Surgery Physician · Los Alamitos, CA

  • NPI 1134328859
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3791 Katella Ave, #201 Vascular & General Surgery Assoc.
Los Alamitos, CA 907203105
(562) 596-6736
fax (562) 596-5387

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
California #A84533
Medicaid
CA #00A845330

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134328859. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Solventum Corporation 1 $18.72

By nature of payment

Food and Beverage
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
311
Patients
288
Total drug cost
$2,040
Drug Type Claims Patients Total cost
Meloxicam Generic 87 83 $480
Ondansetron Odt (Ondansetron) Brand 63 59 $461
Tramadol Hcl Generic 54 52 $346
Gabapentin Generic 49 47 $284
Ibuprofen Generic 28 28 $215
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 19 19 $175
Metronidazole Generic 11 0 $79

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Grant Sarkisyan's medical specialty?
Dr. Grant Sarkisyan practices Surgery Physician in Los Alamitos, CA.
Where does Dr. Grant Sarkisyan practice?
Dr. Grant Sarkisyan practices at 3791 Katella Ave, Los Alamitos, CA 907203105. Office phone: 5625966736.
What is Dr. Grant Sarkisyan's NPI?
Dr. Grant Sarkisyan's National Provider Identifier (NPI) is 1134328859, issued by NPPES.
Does Dr. Grant Sarkisyan accept Medicare assignment?
Yes. Dr. Grant Sarkisyan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.