Gregory Sayer, M.D.
NPI 1043576457 · Psychiatry Physician · Los Angeles, CA
Gregory Sayer, M.D. is a Psychiatry Physician provider in Los Angeles, CA (NPI 1043576457).
Provider details
- NPI number
- 1043576457
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A129550 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Specialist174400000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$100 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-10
- Last updated
- 2015-02-04
Frequently asked questions
- What is Gregory Sayer's NPI number?
- Gregory Sayer's National Provider Identifier (NPI) is 1043576457, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Sayer's specialty?
- Gregory Sayer is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Sayer located?
- Gregory Sayer's practice location on file with NPPES is 760 Westwood Plz, Los Angeles, CA 90024-5055.
- What is Gregory Sayer's phone number?
- The practice phone number listed in the NPPES registry for Gregory Sayer is (310) 825-0018.
- Is Gregory Sayer's NPI active?
- Yes — Gregory Sayer's NPI (1043576457) is active in the NPPES registry as of the last update on 2015-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.