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.
- 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
- Record last updated
- Aug 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210810001191); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2017
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 1420 S Central Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andranik Agazaryan, M.D.Internal Medicine Physician1326401852
- Jodi Aragona, MDEmergency Medicine Physician1336196583
- Aristotle AriolaAdult Psychiatric/Mental Health Registered Nurse1104536523
- Lourdes Arteaga, MSN, PNPPediatric Nurse Practitioner1235208141
- Sylvia Ashour, M.D.Anesthesiology Physician1871735365
- Tushar Bajaj, MDCritical Care Medicine (Internal Medicine) Physician1154826006
Verify Hari Avedissian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A18986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $55.71
3 payments; by number, the most common kind was 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.
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
- Orange Coast Anesthesia IncGlendale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hari Avedissian among 7,571 anesthesiology physician records in California
Hari Avedissian is one of 7,571 anesthesiology physician records with a practice address in California. 71% 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 83% of them.
- NPI issued2017 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2017 · median 2006 among the 4,868 with a school on file
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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.
All 7,571 in California → Every provider in Glendale → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Sylvia Ashour, M.D.Glendale, CA 912041871735365
- Rodney Cheng, M.D.Glendale, CA 912041366612228
- Ivan Hronek, M.D.Glendale, CA 912041124131941
- Johny IV, MDGlendale, CA 912041326425208
- Richard Kim, MDGlendale, CA 912041285955880
- Gregory Lara, M.D.Glendale, CA 912041144244484
- Jonathan Lau, D.O.Glendale, CA 912041144367111
- James Nassiri, MD, MAGlendale, CA 912041225164999
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), 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.