Registry data as of Aug 27, 2026

Hari Avedissian

Anesthesiology Physician · Glendale, CA

Hari Avedissian is an anesthesiology physician with a practice address in Glendale, California, and NPI 1780117523, issued on Apr 8, 2017. Check the license (California 20A18986, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1780117523
Name
Hari Avedissian
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
20A18986 CA
Self-reported in NPPES; status is on the state search
Practice location
1420 S Central Ave, Glendale, CA 91204
Phone
(818) 502-1900
Enumerated
Apr 8, 2017
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.
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Also registered at 1420 S Central Ave

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

  1. Andranik Agazaryan, M.D.Internal Medicine Physician1326401852
  2. Jodi Aragona, MDEmergency Medicine Physician1336196583
  3. Aristotle AriolaAdult Psychiatric/Mental Health Registered Nurse1104536523
  4. Lourdes Arteaga, MSN, PNPPediatric Nurse Practitioner1235208141
  5. Sylvia Ashour, M.D.Anesthesiology Physician1871735365
  6. Tushar Bajaj, MDCritical Care Medicine (Internal Medicine) Physician1154826006

Verify Hari Avedissian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A18986
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

Industry payments in 2024: $55.71

3 payments, mostly food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hari Avedissian$55.71
  2. Specialty average$669.59

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. Orange Coast Anesthesia IncGlendale, CA

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

51 anesthesiology physician records list a practice address in Glendale

They are 51 of the 4,742 NPPES records with a practice address in Glendale, and 7,571 anesthesiology physician records in California.

Other anesthesiology physician records in California

  1. Alison A'Court, MDSan Diego, CA1912218199
  2. Elma Abad-Pelsang, MDDel Mar, CA1689611923
  3. Rolando Abada, M.D.San Diego, CA1952319071
  4. Maher Abadir, MDTurlock, CA1669491718
  5. Jerry Abajian, M.D.Napa, CA1851336218
  6. Carolyn AbbasiLoma Linda, CA1811287311
  7. Christine Abboud, D.O.Walnut Creek, CA1174901508
  8. Steven Abboud, MDPalo Alto, CA1619364908
  9. Therese Abboud, M.D.Coronado, CA1003112913
  10. Mohammed Abdel Rahim, M.B.CH.BNewport Beach, CA1255520854

Common questions

What is Hari Avedissian's NPI number?

Hari Avedissian's National Provider Identifier (NPI) is 1780117523, issued on Apr 8, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Hari Avedissian located?

The NPPES record lists a practice address at 1420 S Central Ave, Glendale, CA, 91204. Phone: (818) 502-1900. Providers update this record themselves, so call before visiting.

How can I verify Hari Avedissian's license?

NPPES lists California license number 20A18986, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.