Healthcare Provider Details

I. General information

NPI: 1801850706
Provider Name (Legal Business Name): DENNIS W NIELSON MD
Entity Type: Individual
Gender: Male
Sole Proprietor: X

II. Dates (important events)

Enumeration Date: 04/17/2006
Last Update Date: 09/11/2025
Certification Date:
Deactivation Date:
Reactivation Date:

III. Provider practice location address

400 PARNASSUS AVE 2ND FLOOR
SAN FRANCISCO CA
94143-2202
US

IV. Provider business mailing address

1635 DIVISADERO ST. STE. 625, BOX 1821
SAN FRANCISCO CA
94143-0001
US

V. Phone/Fax

Practice location:
  • Phone: 415-353-2113
  • Fax: 415-476-9278
Mailing address:
  • Phone: 415-476-4029
  • Fax: 415-476-4150

VI. Provider taxonomy

Scope of Practice (Provider specialty)

# 1
Primary TaxonomyN
Taxonomy Code208000000X
TaxonomyPediatrics Physician
License NumberG35081
License Number StateCA
# 2
Primary TaxonomyY
Taxonomy Code2080P0214X
TaxonomyPediatric Pulmonology Physician
License NumberG35081
License Number StateCA

VIII. Authorized Official

Name:
Title or Position:
Credential:
Phone: