Active NPI
Stephen Bidwell
- Marriage & Family Therapist
- Oakland, CA
National Provider Identifier
1730912973
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Marriage & Family Therapist
- License
- 161163
- Practice address
- 166 Santa Clara Ave
Oakland, CA 94610-1323 - Phone
- (510) 601-1929
- NPI assigned
- Aug 22, 2024
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Marriage & Family Therapist | 106H00000X | 161163 | CA | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X |
Addresses
Primary practice location
166 Santa Clara Ave
Oakland, CA 94610-1323
Mailing address
1421 Lincoln St
Berkeley, CA 94702-1228
Phone (510) 410-5851
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 161163 | CA | MD | Marriage & Family Therapist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1724284800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1770076800000",
"number": "1730912973",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1421 LINCOLN ST",
"city": "BERKELEY",
"state": "CA",
"postal_code": "947021228",
"telephone_number": "510-410-5851"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "166 SANTA CLARA AVE",
"city": "OAKLAND",
"state": "CA",
"postal_code": "946101323",
"telephone_number": "510-601-1929"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BIDWELL",
"first_name": "STEPHEN",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2024-08-22",
"last_updated": "2026-02-03",
"certification_date": "2026-02-03",
"status": "A"
},
"taxonomies": [
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "CA",
"license": "161163",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Oakland, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 3, 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.