NPPES file of Aug 9, 2026

Matthew Abrishamian, MD

Emergency Medicine Physician · Orange, CA

Matthew Abrishamian, MD is an emergency medicine physician with a practice address in Orange, California, and NPI 1720516743, issued on Jun 3, 2017. Check the license (California A164295, 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
1720516743
Name
Matthew Abrishamian
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
A164295 CA
MT213671 PA
Self-reported in NPPES; status is on the state search
Practice location
1100 W Stewart Dr, Orange, CA 92868
Phone
(714) 771-8000
Enumerated
Jun 3, 2017
Record last updated
Oct 28, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1100 W Stewart Dr

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

  1. Christie Aiello, FNP-BCFamily Nurse Practitioner1972976744
  2. Azita Alipour, PHARM.D.Psychiatric Pharmacist1982835401
  3. Allison Alix, WHNPWomen's Health Nurse Practitioner1396269403
  4. Roger Arakaki, M.D.Anesthesiology Physician1003836990
  5. Shadi Aramesh, MDPsychiatry Physician1326487091
  6. Christine Ayoub, D.O.Anesthesiology Physician1982960126

Verify Matthew Abrishamian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A164295
    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.

56% fewer Medicare Part D claims than the average emergency medicine physician in 2024

99 Medicare Part D claims for 73 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Matthew Abrishamian99
  2. Specialty average226

Most prescribed

  1. Cefdinir15 claims
  2. Ibuprofen12 claims
  3. Hydrocodone-Acetaminophen11 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: $31.72

2 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Matthew Abrishamian$31.72
  2. Specialty average$953.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Matthew Abrishamian among 7,751 emergency medicine physician records in California

Matthew Abrishamian, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 78% of them.

  • NPI issued2017 · 78% of these records are older, 19% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2020 · 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

179 emergency medicine physician records list a practice address in Orange

They are 179 of the 13,245 NPPES records with a practice address in Orange, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Michael Anderson, MDOrange, CA 928681093747750
  2. Rishi Bhargava, MDOrange, CA 928681407811623
  3. Jonathan Blair, MDOrange, CA 928681891727954
  4. Bharath Chakravarthy, MDOrange, CA 928681144259839
  5. Elizabeth Fiedler, MDOrange, CA 928681578594529
  6. Jeffrey Hughes, MDOrange, CA 928681871525949
  7. Michael Menchine, MDOrange, CA 928681912963612
  8. David Merin, MDOrange, CA 928681811929979

Common questions

What is Matthew Abrishamian, MD's NPI number?

Matthew Abrishamian, MD's National Provider Identifier (NPI) is 1720516743, issued on Jun 3, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Abrishamian, MD located?

The NPPES record lists a practice address at 1100 W Stewart Dr, Orange, CA, 92868. Phone: (714) 771-8000. Providers update this record themselves, so call before visiting.

How can I verify Matthew Abrishamian, MD's license?

NPPES lists California license number A164295, 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 Matthew Abrishamian, MD prescribe under Medicare Part D?

In 2024, Matthew Abrishamian, MD had 99 Medicare Part D claims for 73 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.