Stuart B. Orenstein, MD
Psychiatry Physician · Los Angeles, CA
Stuart B. Orenstein, MD is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1821169723, issued on Nov 13, 2006. Check the license (California G41129, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Stuart B. Orenstein
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G41129 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4760 W Sunset Blvd, Los Angeles, CA 90027
- Phone
- (323) 783-4011
- Enumerated
- Nov 13, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 00G411290 CA
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 4760 W Sunset Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stuart B. Orenstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G41129Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Stuart B. Orenstein among 8,673 psychiatry physician records in California
Stuart B. Orenstein, MD 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 not. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,673 in California → Every provider in Los Angeles → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
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- Eric Lee, MDLos Angeles, CA 900271912297177
- Ann McIntosh, MDLos Angeles, CA 900271316095383
- Adrian Mirea, MDLos Angeles, CA 900271003983024
- James Moore, MDLos Angeles, CA 900271093886905
- George Morga, MDLos Angeles, CA 900271427129469
- Vladimir Olshanskiy, MDLos Angeles, CA 900271033280961
Common questions
What is Stuart B. Orenstein, MD's NPI number?
Stuart B. Orenstein, MD's National Provider Identifier (NPI) is 1821169723, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stuart B. Orenstein, MD located?
The NPPES record lists a practice address at 4760 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 783-4011. Providers update this record themselves, so call before visiting.
How can I verify Stuart B. Orenstein, MD's license?
NPPES lists California license number G41129, 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. 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.