Active NPI
John C. Partridge, M.D.
- Pediatrics Physician
- San Francisco, CA
National Provider Identifier
1942225271
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- G43585
- Practice address
- 505 Parnassus Ave 15TH FL Icn
San Francisco, CA 94143-0001 - Phone
- (415) 353-1565
- Fax
- (415) 353-1202
- NPI assigned
- Jul 13, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | G43585 | CA | Primary |
| Neonatal-Perinatal Medicine Physician | 2080N0001X | G43585 | CA |
Addresses
Primary practice location
505 Parnassus Ave 15TH FL Icn
San Francisco, CA 94143-0001
Mailing address
1635 Divisadero St
Suite 625, Box 1821
San Francisco, CA 94143-0001
Phone (415) 476-4029
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00G435850 | Medicaid | CA |
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)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| G43585 | CA | MD | Neonatal-Perinatal Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1152748800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1942225271",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1635 DIVISADERO ST",
"address_2": "SUITE 625, BOX 1821",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941430001",
"telephone_number": "415-476-4029",
"fax_number": "415-476-4150"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "505 PARNASSUS AVE 15TH FL ICN",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941430001",
"telephone_number": "415-353-1565",
"fax_number": "415-353-1202"
}
],
"practiceLocations": [],
"basic": {
"last_name": "PARTRIDGE",
"first_name": "JOHN",
"middle_name": "C.",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-07-13",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "CA",
"license": "G43585",
"primary": true
},
{
"code": "2080N0001X",
"taxonomy_group": "",
"desc": "Pediatrics, Neonatal-Perinatal Medicine",
"state": "CA",
"license": "G43585",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "00G435850",
"state": "CA"
}
],
"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 Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.