Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. DENNIS W NIELSON, MD
ActiveDR. DENNIS W NIELSON, MD is a Pediatric Pulmonology healthcare provider located in SAN FRANCISCO, California. NPI 1801850706 is currently active in the NPPES registry. Verify at CMS.
Pediatric Pulmonology · SAN FRANCISCO, CA
Registration Details
- NPI Number
- 1801850706
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Apr 17, 2006 (20.282586376536 yrs)
- Last Updated
- Sep 11, 2025
- Licenses
-
G35081 (CA)G35081 (CA)
Practice Information
- Address
-
400 PARNASSUS AVE2ND FLOORSAN FRANCISCO, CA, 941432202Browse CA providers · Browse ZIP 94143
- Phone
- 4153532113
- Fax
- 4154769278
- Primary Specialty
-
Pediatric Pulmonology
2080P0214X
- Additional Specialty
- Pediatric Pulmonology
Other Pediatric Pulmonology Providers in SAN FRANCISCO, CA
| Name | Credential | NPI |
|---|---|---|
| DR. NGOC PHUONG LY | MD, MPH | 1730113820 |
| DR. GERD J. CROPP | M.D. | 1851497960 |
| JENNY HANCHING LIN | M.D. | 1437396546 |
| MEGHAN MCGARRY | MD | 1851527881 |
| RUTH SIEW | M.D. | 1255674479 |
| DAVID PANEK | — | 1770902637 |
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.