Harry Rosen, M.D.
Internal Medicine Physician · West Hills, CA
Harry Rosen, M.D. is an internal medicine physician with a practice address in West Hills, California, and NPI 1669448429, issued on Feb 23, 2006. Check the license (California A86604, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Harry Rosen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A86604 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7300 Medical Center Dr, West Hills, CA 91307
- Phone
- (818) 612-8301
- Enumerated
- Feb 23, 2006
- Record last updated
- Dec 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (951) 272-9924
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 7300 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Roofan Alsayegh, MDHospitalist Physician1477841641
- Neelam Amin, M.D.Anatomic Pathology & Clinical Pathology Physician1215956826
- Karen Arnold, P.A.Physician Assistant1407886070
- Eileen Bastian, M.D.Emergency Medicine Physician1861439267
Verify Harry Rosen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A86604Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
84 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Metoprolol Succinate14 claims
- Entresto12 claims
- Glipizide Er11 claims
- Metformin Hcl11 claims
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.
Harry Rosen among 17,696 internal medicine physician records in California
Harry Rosen, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 internal medicine physician records list a practice address in West Hills
They are 22 of the 708 NPPES records with a practice address in West Hills, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in West Hills → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Shahab Attarchi, MDWest Hills, CA 913071902982408
- Barbara Callahan, M.D.West Hills, CA 913071124111653
- Warren Churg, M.D.West Hills, CA 913071629020490
- Christopher Hage, M.D.West Hills, CA 913071043397482
- Robert Hanson, M.D.West Hills, CA 913071447213616
- Caleb Hirsch, MDWest Hills, CA 913071619976800
- Mohammed Iqbal, MDWest Hills, CA 913071578574596
- Bruce Jacobson, M.D.West Hills, CA 913071558314971
Common questions
What is Harry Rosen, M.D.'s NPI number?
Harry Rosen, M.D.'s National Provider Identifier (NPI) is 1669448429, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Harry Rosen, M.D. located?
The NPPES record lists a practice address at 7300 Medical Center Dr, West Hills, CA, 91307. Phone: (818) 612-8301. Providers update this record themselves, so call before visiting.
How can I verify Harry Rosen, M.D.'s license?
NPPES lists California license number A86604, 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 Harry Rosen, M.D. prescribe under Medicare Part D?
In 2024, Harry Rosen, M.D. had 84 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.