Alfred Oppenheim, M.D.
Internal Medicine Physician · Corte Madera, CA
Alfred Oppenheim, M.D. is an internal medicine physician with a practice address in Corte Madera, California, and NPI 1023028917, issued on Aug 9, 2006. Check the license (California G57635, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Alfred Oppenheim
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G57635 CA
Self-reported in NPPES; status is on the state search - Practice location
- 770 Tamalpais Dr, Corte Madera, CA 94925
- Phone
- (415) 945-8808
- Enumerated
- Aug 9, 2006
- Entity
- Type 1 · individual
Also registered at 770 Tamalpais Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sajot Grewal, M.D.Internal Medicine Physician1144230053
- Alexander Kashef, DDS, MDOral and Maxillofacial Surgery (Dentist)1598925836
- Lisa Leung, N.P.Nurse Practitioner1619272176
- Elizabeth Lowe, M.D.Internal Medicine Physician1043356413
Verify Alfred Oppenheim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G57635Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
5 internal medicine physician records list a Corte Madera practice address
They are 5 of the 365 NPPES records with a Corte Madera practice address, and 20,403 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5 in Corte Madera → All 20,403 in California → Every provider in Corte Madera →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- 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 Alfred Oppenheim, M.D.'s NPI number?
Alfred Oppenheim, M.D.'s National Provider Identifier (NPI) is 1023028917, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alfred Oppenheim, M.D. located?
The NPPES record lists a practice address at 770 Tamalpais Dr, Corte Madera, CA, 94925. Phone: (415) 945-8808. Providers update this record themselves, so call before visiting.
How can I verify Alfred Oppenheim, M.D.'s license?
NPPES lists California license number G57635, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.