Kenneth Rosenfeld, M.D.
Internal Medicine Physician · Los Angeles, CA
Kenneth Rosenfeld, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1164441960, issued on Jul 19, 2006. Check the license (California G78614, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kenneth Rosenfeld
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G78614 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11301 Wilshire Blvd, Los Angeles, CA 90073
- Phone
- (310) 478-3711
- Enumerated
- Jul 19, 2006
- Entity
- Type 1 · individual
Also registered at 11301 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frances Abad, FNPFamily Nurse Practitioner1053504514
- Oluwakemi AbayomiPsychiatric/Mental Health Nurse Practitioner1598508913
- Vanessa AbcedeSocial Worker1306584495
- Maren Abromowitz, FNP-BCRegistered Nurse1356950919
- Nayiri Adessian, MS, CCC-SLPSpeech-Language Pathologist1326761420
- Farzad AdibStudent in an Organized Health Care Education/Training Program1558745869
Verify Kenneth Rosenfeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G78614Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
69% fewer Medicare Part D claims than the average internal medicine physician in 2024
854 Medicare Part D claims for 156 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 424 claims were for opioids.
Most prescribed
- Oxycodone Hcl148 claims
- Morphine Sulfate Er74 claims
- Gabapentin55 claims
- Duloxetine Hcl49 claims
- Oxycontin38 claims
- Methadone Hcl34 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.
The practice group's Medicare quality score for 2023: 79.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
2 hospital and facility affiliations
- Ucsf Medical Group Business ServicesSan Francisco, CA
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
1,665 internal medicine physician records list a Los Angeles practice address
They are 1,665 of the 69,537 NPPES records with a Los Angeles practice address, and 20,403 internal medicine physician records in California.
All 1,665 in Los Angeles → All 20,403 in California → Every provider in Los Angeles →
Other internal medicine physician records in California
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- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Kenneth Rosenfeld, M.D.'s NPI number?
Kenneth Rosenfeld, M.D.'s National Provider Identifier (NPI) is 1164441960, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth Rosenfeld, M.D. located?
The NPPES record lists a practice address at 11301 Wilshire Blvd, Los Angeles, CA, 90073. Phone: (310) 478-3711. Providers update this record themselves, so call before visiting.
How can I verify Kenneth Rosenfeld, M.D.'s license?
NPPES lists California license number G78614, 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 Kenneth Rosenfeld, M.D. prescribe under Medicare Part D?
In 2024, Kenneth Rosenfeld, M.D. had 854 Medicare Part D claims for 156 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Kenneth Rosenfeld, M.D.'s Medicare quality score?
The 2023 MIPS final score is 79.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.