Gregory Gabrellas, M.D.
Psychiatry Physician · Los Angeles, CA
Gregory Gabrellas, M.D. is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1356872402, issued on Mar 21, 2017. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory Gabrellas
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 312689 NY
Self-reported in NPPES; status is on the state search - Practice location
- 760 Westwood Plz, Los Angeles, CA 90024
- Phone
- (310) 825-1289
- Enumerated
- Mar 21, 2017
- Record last updated
- Apr 17, 2024
- Medicare enrollment
- Enrolled (PECOS I20221102000376); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 760 Westwood Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory Gabrellas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average psychiatry physician in 2024
211 Medicare Part D claims for 24 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Clozapine37 claims
- Lithium Carbonate19 claims
- Trazodone Hcl18 claims
- Benztropine Mesylate16 claims
- Olanzapine15 claims
- Aripiprazole13 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.
Bills Medicare through one group practice
- Physician Affiliate Group OF New York PCBronx, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Gabrellas among 8,673 psychiatry physician records in California
Gregory Gabrellas, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2017 · median 2005 among the 3,295 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
987 psychiatry physician records list a practice address in Los Angeles
They are 987 of the 69,537 NPPES records with a practice address in Los Angeles, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Los Angeles → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- George Allen, MDLos Angeles, CA 900241154452308
- John Altman, MDLos Angeles, CA 900241053480327
- Robert Ashley, MDLos Angeles, CA 900241255385886
- Henry Bender, M.D.Los Angeles, CA 900241154450336
- Franklin Dines, MDLos Angeles, CA 900241881763142
- Robert Gerner, M.D.Los Angeles, CA 900241083667455
- Thomas Kappeler, MDLos Angeles, CA 900241912070749
- Matthew Koury, M.D.Los Angeles, CA 900241376633735
Common questions
What is Gregory Gabrellas, M.D.'s NPI number?
Gregory Gabrellas, M.D.'s National Provider Identifier (NPI) is 1356872402, issued on Mar 21, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Gabrellas, M.D. located?
The NPPES record lists a practice address at 760 Westwood Plz, Los Angeles, CA, 90024. Phone: (310) 825-1289. Providers update this record themselves, so call before visiting.
How can I verify Gregory Gabrellas, M.D.'s license?
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 Gregory Gabrellas, M.D. prescribe under Medicare Part D?
In 2024, Gregory Gabrellas, M.D. had 211 Medicare Part D claims for 24 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.