Active NPI
Joan Susan Dorfman, M.D.
- Pediatrics Physician
- San Francisco, CA
National Provider Identifier
1215935630
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- G021476
- Practice address
- 575 Market St
Suite 300
San Francisco, CA 94105-2854 - Phone
- (415) 904-9676
- NPI assigned
- Jul 9, 2005
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | G021476 | CA | Primary |
Addresses
Primary practice location
575 Market St
Suite 300
San Francisco, CA 94105-2854
Mailing address
1305 Henry St
Berkeley, CA 94709-1992
Phone (510) 527-4998
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| G021476 | CA | MD | Pediatrics Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1120867200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1215935630",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1305 HENRY ST",
"city": "BERKELEY",
"state": "CA",
"postal_code": "947091992",
"telephone_number": "510-527-4998"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "575 MARKET ST",
"address_2": "SUITE 300",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941052854",
"telephone_number": "415-904-9676"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DORFMAN",
"first_name": "JOAN",
"middle_name": "SUSAN",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2005-07-09",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "CA",
"license": "G021476",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in San Francisco, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.