Gregory Sayer, M.D.
Psychiatry Physician · Los Angeles, CA
Gregory Sayer, M.D. is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1043576457, issued on Apr 10, 2012. Check the license (California A129550, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory Sayer
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A129550 CA
Self-reported in NPPES; status is on the state search - Practice location
- 760 Westwood Plz, Los Angeles, CA 90024
- Phone
- (310) 825-0018
- Enumerated
- Apr 10, 2012
- Record last updated
- Feb 4, 2015 (not updated in 11 years: call before relying on the address or phone)
- 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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- Chelsea BartonStudent in an Organized Health Care Education/Training Program1982534947
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Verify Gregory Sayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A129550Check 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: $99.54
1 payment: food and beverage; the largest payer was Janssen Scientific Affairs, LLC. The 13,693 providers of this specialty with any payment received $4,954.93 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.
Gregory Sayer among 8,673 psychiatry physician records in California
Gregory Sayer, 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 2012, is newer than 66% of them.
- NPI issued2012 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2015 · 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 Sayer, M.D.'s NPI number?
Gregory Sayer, M.D.'s National Provider Identifier (NPI) is 1043576457, issued on Apr 10, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Sayer, M.D. located?
The NPPES record lists a practice address at 760 Westwood Plz, Los Angeles, CA, 90024. Phone: (310) 825-0018. Providers update this record themselves, so call before visiting.
How can I verify Gregory Sayer, M.D.'s license?
NPPES lists California license number A129550, 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.