NPPES file of Aug 9, 2026

Grant G. Sarkisyan, M.D.

Surgery Physician · Los Alamitos, CA

Grant G. Sarkisyan, M.D. is a surgery physician with a practice address in Los Alamitos, California, and NPI 1134328859, issued on Jul 12, 2007. Check the license (California A84533, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134328859
Name
Grant G. Sarkisyan
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
A84533 CA
Self-reported in NPPES; status is on the state search
Practice location
3791 Katella Ave, Los Alamitos, CA 90720
Phone
(562) 596-6736
Enumerated
Jul 12, 2007
Record last updated
Mar 7, 2023
Fax
(562) 596-5387
Medicaid ID
00A845330 CA
Medicare enrollment
Enrolled (PECOS I20050427000514); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 3791 Katella Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Allen Anae, MDSurgery Physician1861425183
  2. Ruben Baghdassarian, M.D.Urology Physician1518063510
  3. Stuart Chalfin, M.D.Urology Physician1699871608
  4. Alan Cohen, M.D.Neurology Physician1902843659
  5. Lauren Dolan, PA-CPhysician Assistant1700107091
  6. Chinenye Egwuonwu, NPObstetrics & Gynecology Nurse Practitioner1184960890

Verify Grant G. Sarkisyan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A84533
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

97% more Medicare Part D claims than the average surgery physician in 2024

290 Medicare Part D claims for 98 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 67 claims were for opioids.

  1. Grant Sarkisyan290
  2. Specialty average147

Most prescribed

  1. Meloxicam78 claims
  2. Ondansetron Odt55 claims
  3. Gabapentin48 claims
  4. Tramadol Hcl48 claims
  5. Ibuprofen18 claims
  6. Hydrocodone-Acetaminophen17 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.

Industry payments in 2024: $18.72

1 payment: food and beverage; the largest payer was Solventum Corporation. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Grant Sarkisyan$18.72
  2. Specialty average$3,513.80

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

  1. Southern California Permanente Medical GroupPanorama City, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Grant G. Sarkisyan among 3,118 surgery physician records in California

Grant G. Sarkisyan, M.D. is one of 3,118 surgery physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.

  • NPI issued2007 · 45% of these records are older, 42% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1991 · median 2003 among the 1,901 with a school on file
  • Record last updated2023 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in California

There are 3,118 surgery physician records in California.

The 8 surgery physician records with the nearest ZIP codes

  1. Dena Amr, MDLos Alamitos, CA 907201710035746
  2. Allen Anae, MDLos Alamitos, CA 907201861425183
  3. Ali Fouladi, M.D.Los Alamitos, CA 907201679779797
  4. Ronald Holness, MDLos Alamitos, CA 907201114938867
  5. Denise Joseph-Brown, M.D.Los Alamitos, CA 907201548457807
  6. Eugene Kahn, MDLos Alamitos, CA 907201699193649
  7. Andre Maginot, MDLas Alamitos, CA 907201841206471
  8. Jessica Rayhanabad, M.D.Los Alamitos, CA 907201275719403

Common questions

What is Grant G. Sarkisyan, M.D.'s NPI number?

Grant G. Sarkisyan, M.D.'s National Provider Identifier (NPI) is 1134328859, issued on Jul 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Grant G. Sarkisyan, M.D. located?

The NPPES record lists a practice address at 3791 Katella Ave, Los Alamitos, CA, 90720. Phone: (562) 596-6736. Providers update this record themselves, so call before visiting.

How can I verify Grant G. Sarkisyan, M.D.'s license?

NPPES lists California license number A84533, 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 Grant G. Sarkisyan, M.D. prescribe under Medicare Part D?

In 2024, Grant G. Sarkisyan, M.D. had 290 Medicare Part D claims for 98 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

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.