Healthcare Provider Details

I. General information

NPI: 1710967922
Provider Name (Legal Business Name): DAVID ALAN DUNCAN D.O.
Entity Type: Individual
Gender: Male
Sole Proprietor: N

II. Dates (important events)

Enumeration Date: 01/23/2006
Last Update Date: 09/01/2026
Certification Date: 09/01/2026
Deactivation Date:
Reactivation Date:

III. Provider practice location address

3268 CASA GRANDE DR
SAN RAMON CA
94583-3004
US

IV. Provider business mailing address

1 EMBARCADERO CTR STE 1900
SAN FRANCISCO CA
94111-3723
US

V. Phone/Fax

Practice location:
  • Phone: 415-237-1843
  • Fax:
Mailing address:
  • Phone:
  • Fax:

VI. Provider taxonomy

Scope of Practice (Provider specialty)

# 1
Primary TaxonomyN
Taxonomy Code207Q00000X
TaxonomyFamily Medicine Physician
License Number02002571A
License Number StateIN
# 2
Primary TaxonomyY
Taxonomy Code207Q00000X
TaxonomyFamily Medicine Physician
License Number20A15980
License Number StateCA
# 3
Primary TaxonomyN
Taxonomy Code207QA0401X
TaxonomyAddiction Medicine (Family Medicine) Physician
License Number20A15980
License Number StateCA

VIII. Authorized Official

Name:
Title or Position:
Credential:
Phone: