Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. STEFANIE ALTMANN, DO
Active Sole ProprietorDR. STEFANIE ALTMANN, DO is a Internal Medicine healthcare provider located in WALNUT CREEK, California. NPI 1912494188 is currently active in the NPPES registry. Verify at CMS.
Internal Medicine · WALNUT CREEK, CA
Registration Details
- NPI Number
- 1912494188
- Provider Type
- Individual
- Gender
- Female
- NPI Issued
- Apr 13, 2018 (8.3535538424369 yrs)
- Last Updated
- Nov 24, 2025
- Licenses
-
OS18824 (FL)PG188434 (OR)24681 (CA)UO6375 (FL)
- Sole Proprietor
- Yes
Practice Information
- Address
-
100 PRINGLE AVE STE 425WALNUT CREEK, CA, 945967385Browse CA providers · Browse ZIP 94596
- Phone
- 9259323800
- Fax
- 9259333339
- Primary Specialty
-
Internal Medicine
207R00000X
- Additional Specialty
- Internal Medicine
- Additional Specialty
- Dermatology
- Additional Specialty
- Dermatology
Other Internal Medicine Providers in WALNUT CREEK, CA
| Name | Credential | NPI |
|---|---|---|
| HAN KYO K CHANG | M.D | 1235127150 |
| DR. CHUN OUYANG | M.D., PH.D. | 1336115328 |
| DR. WAHEEDA HILLER | MD | 1689642233 |
| DR. LAVINIA HERBEI | M.D. | 1508834946 |
| DR. HUU NGOC NGUYEN | D.O. | 1811966492 |
| DR. KAMAL S GHEI | M.D. | 1366490120 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.