Registry data as of Aug 27, 2026

Elizabeth Irwin, M.D.

Gynecology Physician · Rolling Hills Estates, CA

Elizabeth Irwin, M.D. is a gynecology physician with a practice address in Rolling Hills Estates, California, and NPI 1346439288, issued on Oct 16, 2007. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1346439288
Name
Elizabeth Irwin
Credential
M.D.
Primary taxonomy
Gynecology Physician 207VG0400X
Practice location
12 Dapplegray LN, Rolling Hills Estates, CA 90274
Phone
(310) 530-7416
Enumerated
Oct 16, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Elizabeth Irwin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

89% fewer Medicare Part D claims than the average gynecology physician in 2024

35 Medicare Part D claims, against an average of 319 among the 1,929 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Elizabeth Irwin35
  2. Specialty average319

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.

Gynecology Physician providers in California

There are 377 gynecology physician records in California.

Other gynecology physician records in California

  1. Ahmed Abdelaziz, MDSanta Maria, CA1790039733
  2. Keevan Abramson, MDFort Bragg, CA1851473177
  3. Robert Adams, MDMonterey, CA1316017601
  4. Naphthali Alinsod, M.D.Laguna Beach, CA1326055096
  5. Parichehr Allameh, M.D.Sylmar, CA1053434563
  6. Margarita Alvarado, M.D.San Francisco, CA1417974858
  7. Michal Amir, M.D.Beverly Hills, CA1982790598
  8. Malaika Amneus, M.D.Sylmar, CA1538379706
  9. Anna Anderson, MDMountain View, CA1457577801
  10. Donald Armstrong, M.D.Fullerton, CA1881672665

Common questions

What is Elizabeth Irwin, M.D.'s NPI number?

Elizabeth Irwin, M.D.'s National Provider Identifier (NPI) is 1346439288, issued on Oct 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Irwin, M.D. located?

The NPPES record lists a practice address at 12 Dapplegray LN, Rolling Hills Estates, CA, 90274. Phone: (310) 530-7416. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Irwin, 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 Elizabeth Irwin, M.D. prescribe under Medicare Part D?

In 2024, Elizabeth Irwin, M.D. had 35 Medicare Part D claims; the average among gynecology physician prescribers was 319. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.