Healthcare Provider Details

I. General information

NPI: 1538023007
Provider Name (Legal Business Name): MATTHEW BENJAMIN DARWIN O'BRIEN
Entity Type: Individual
Gender: Male
Sole Proprietor: N

II. Dates (important events)

Enumeration Date: 12/10/2025
Last Update Date: 12/10/2025
Certification Date: 12/10/2025
Deactivation Date:
Reactivation Date:

III. Provider practice location address

25 BEULAH ST
SAN FRANCISCO CA
94117-3909
US

IV. Provider business mailing address

368 FELL ST
SAN FRANCISCO CA
94102-5144
US

V. Phone/Fax

Practice location:
  • Phone: 415-861-0828
  • Fax:
Mailing address:
  • Phone: 415-861-0828
  • Fax:

VI. Provider taxonomy

Scope of Practice (Provider specialty)

# 1
Primary TaxonomyY
Taxonomy Code373H00000X
TaxonomyDay Training/Habilitation Specialist
License Number
License Number State

VIII. Authorized Official

Name:
Title or Position:
Credential:
Phone: