NPPES file of Aug 9, 2026

David Greenstein

Anesthesiology Physician · Los Angeles, CA

David Greenstein is an anesthesiology physician with a practice address in Los Angeles, California, and NPI 1578023826, issued on Mar 22, 2019. Check the license (California A184934, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578023826
Name
David Greenstein
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
A184934 CA
Self-reported in NPPES; status is on the state search
Practice location
4650 Sunset Blvd, Los Angeles, CA 90027
Phone
(323) 660-2450
Enumerated
Mar 22, 2019
Record last updated
Apr 9, 2024
Medicare enrollment
Enrolled (PECOS I20240920001028); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →

Also registered at 4650 Sunset Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Grace Aldrovandi, MDPediatric Infectious Diseases Physician1225122906
  2. John Arsenault, MDPediatrics Physician1124647334
  3. Jeffrey Birnbaum, MDPediatric Emergency Medicine (Pediatrics) Physician1679992242
  4. Allyssa BrodyChild & Adolescent Psychiatry Physician1598171589
  5. Laura Campbell, MDChild & Adolescent Psychiatry Physician1326539297
  6. Mary Capili, MSPsychologist1770385833

Verify David Greenstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A184934    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. California Anesthesia Associates Medical Group IncLong Beach, CA
  2. Cep America - Anesthesia PCSanta Clarita, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Greenstein among 7,571 anesthesiology physician records in California

David Greenstein 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 2019, is newer than 89% of them.

  • NPI issued2019 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2019 · median 2006 among the 4,868 with a school on file
  • Record last updated2024 · 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).

Anesthesiology Physician providers in California

There are 7,571 anesthesiology physician records in California.

All 7,571 in California → Every provider in Los Angeles → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Marc Birnbaum, M.D.Los Angeles, CA 900271184607368
  2. Sung Kim, M.D.Los Angeles, CA 900271013967504
  3. Sung Kim, M.D.Los Angeles, CA 900271366481442
  4. Charles Lee, M.D.Los Angeles, CA 900271447272810
  5. Edward Manookian, M.D.Los Angeles, CA 900271366404709
  6. Sabine Mellinger, M.DLos Angeles, CA 900271477655306
  7. Sun Oh, MDLos Angeles, CA 900271578527651
  8. Stephen Parks, M.D.Los Angeles, CA 900271881607604

Common questions

What is David Greenstein's NPI number?

David Greenstein's National Provider Identifier (NPI) is 1578023826, issued on Mar 22, 2019. An NPI identifies a provider in billing; it is not a license.

Where is David Greenstein located?

The NPPES record lists a practice address at 4650 Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 660-2450. Providers update this record themselves, so call before visiting.

How can I verify David Greenstein's license?

NPPES lists California license number A184934, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.