Peter J. Rosen, MD
Anesthesiology Physician · West Hollywood, CA
Peter J. Rosen, MD is an anesthesiology physician with a practice address in West Hollywood, California, and NPI 1457570012, issued on Apr 24, 2007. Check the license (California G29891, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Peter J. Rosen
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- G29891 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8700 Beverly Blvd Ste 8211, West Hollywood, CA 90048
- Phone
- (213) 637-3703
- Enumerated
- Apr 24, 2007
- Record last updated
- Mar 7, 2023
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 8700 Beverly Blvd Ste 8211
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Peter J. Rosen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G29891Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average anesthesiology physician in 2024
23 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D.
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.
Peter J. Rosen among 7,571 anesthesiology physician records in California
Peter J. Rosen, MD 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 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 43% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2023 · 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).
243 anesthesiology physician records list a practice address in West Hollywood
They are 243 of the 2,619 NPPES records with a practice address in West Hollywood, and 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in West Hollywood → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Maury Barth, MDWest Hollywood, CA 900481801894266
- Paul Carlton, MDWest Hollywood, CA 900481659379295
- David Choi, MDWest Hollywood, CA 900481265430623
- Arnold Friedman, MDWest Hollywood, CA 900481174521520
- Julian Gold, M.D.West Hollywood, CA 900481275539462
- Rukaiya Hamid, MDWest Hollywood, CA 900481710985437
- Robert Kariger, MDWest Hollywood, CA 900481851398606
- Patrick Kelledy, MDWest Hollywood, CA 900481699771634
Common questions
What is Peter J. Rosen, MD's NPI number?
Peter J. Rosen, MD's National Provider Identifier (NPI) is 1457570012, issued on Apr 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Peter J. Rosen, MD located?
The NPPES record lists a practice address at 8700 Beverly Blvd Ste 8211, West Hollywood, CA, 90048. Phone: (213) 637-3703. Providers update this record themselves, so call before visiting.
How can I verify Peter J. Rosen, MD's license?
NPPES lists California license number G29891, 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.
How much does Peter J. Rosen, MD prescribe under Medicare Part D?
In 2024, Peter J. Rosen, MD had 23 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. Part D covers Medicare prescriptions only.
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.