Kenneth Blumenfeld, M.D.
Specialist · San Jose, CA
Kenneth Blumenfeld, M.D. is a specialist with a practice address in San Jose, California, and NPI 1235158254, issued on Jul 19, 2006. Check the license (California A50900, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kenneth Blumenfeld
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- A50900 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2577 Samaritan Dr, San Jose, CA 95124
- Phone
- (408) 358-0133
- Enumerated
- Jul 19, 2006
- Entity
- Type 1 · individual
Also registered at 2577 Samaritan Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Parvez Ahmed, M.D.Pediatrics Physician1114014586
- Dorothy Buckner, M.D.Specialist1275681355
- Nicole Burnham, PAPhysician Assistant1952441297
- Anders Dahlstrom, MD PHDPediatrics Physician1326113929
- Bryan Drucker, M.D.Pediatrics Physician1083764856
- Bindu Edwin, NURSE PRACTITIONERFamily Nurse Practitioner1841694189
Verify Kenneth Blumenfeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A50900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
98% fewer Medicare Part D claims than the average specialist in 2024
24 Medicare Part D claims for 14 beneficiaries, against an average of 1,524 among the 12,477 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Industry payments in 2024: $1,232.00
13 payments, mostly food and beverage; the largest payer was Globus Medical, Inc.. The 9,482 providers of this specialty with any payment received $4,756.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Sutter Bay Medical FoundationSan Jose, 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.
Specialist providers in California
There are 6,640 specialist records in California.
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- Basim Abdelkarim, MDUpland, CA1932217544
- Farinaz AbdiSan Marcos, CA1063153963
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- Hamid Abedi, HEARING AID SPECIALISan Diego, CA1659410744
- Mehrad Abedi, M.D.Sacramento, CA1467459222
Common questions
What is Kenneth Blumenfeld, M.D.'s NPI number?
Kenneth Blumenfeld, M.D.'s National Provider Identifier (NPI) is 1235158254, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth Blumenfeld, M.D. located?
The NPPES record lists a practice address at 2577 Samaritan Dr, San Jose, CA, 95124. Phone: (408) 358-0133. Providers update this record themselves, so call before visiting.
How can I verify Kenneth Blumenfeld, M.D.'s license?
NPPES lists California license number A50900, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Kenneth Blumenfeld, M.D. prescribe under Medicare Part D?
In 2024, Kenneth Blumenfeld, M.D. had 24 Medicare Part D claims for 14 beneficiaries; the average among specialist prescribers was 1,524. 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.