Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
MR. DONALD MARTIN NIELSEN, MD
Active Sole ProprietorMR. DONALD MARTIN NIELSEN, MD is a Internal Medicine healthcare provider located in ALAMO, California. NPI 1992686075 is currently active in the NPPES registry. Verify at CMS.
Internal Medicine · ALAMO, CA
Registration Details
- NPI Number
- 1992686075
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Sep 8, 2025 (0.94129760016794 yrs)
- Last Updated
- Sep 8, 2025
- License
-
G36555 (CA)
- Sole Proprietor
- Yes
Practice Information
- Address
-
195 OXFORD CTALAMO, CA, 945071753Browse CA providers · Browse ZIP 94507
- Phone
- 9259334710
- Primary Specialty
-
Internal Medicine
207R00000X
Other Internal Medicine Providers in ALAMO, CA
| Name | Credential | NPI |
|---|---|---|
| DR. LEONARD H.S. CHUCK | MD | 1831139385 |
| DR. JANET E GASTON | M.D. | 1053351825 |
| DR. MANISHA MALHOTRA | M.D. | 1780614065 |
| DR. NHU Q PHAM | M.D. | 1396776977 |
| DR. JAMES J WOODS | M.D. | 1750315016 |
| DR. HOWARD L ZEIGER | M.D. | 1669497897 |
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.