Active NPI
Joseph Dante Mazzola, MD
- Psychiatry Physician
- San Francisco, CA
National Provider Identifier
1861134579
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- 1861134579
- Practice address
- 1975 4TH St
San Francisco, CA 94143-2351 - Phone
- (206) 543-6577
- NPI assigned
- Apr 12, 2022
- 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 |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | 1861134579 | CA | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X | WA |
Addresses
Primary practice location
1975 4TH St
San Francisco, CA 94143-2351
Mailing address
41 Andreas Cir
Novato, CA 94945-1230
Phone (209) 292-1884
Other names 1
- Joey Mazzola
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20250908003850 | CA | Order and Referring Only - Psychiatry | 8921500992 |
Care Compare profile
Medicare Care Compare- Specialty
- Psychiatry
- Education
- University of California, Davis School of Medicine, 2022
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
331 C St
Martinez, CA 94553-3137
41 Andreas Cir
Novato, CA 94945-1230
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 1861134579 | CA | MD | Psychiatry Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1649721600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753228800000",
"number": "1861134579",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "41 ANDREAS CIR",
"city": "NOVATO",
"state": "CA",
"postal_code": "949451230",
"telephone_number": "209-292-1884"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1975 4TH ST",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941432351",
"telephone_number": "206-543-6577"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MAZZOLA",
"first_name": "JOSEPH",
"middle_name": "DANTE",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-04-12",
"last_updated": "2025-07-23",
"certification_date": "2025-07-23",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "CA",
"license": "1861134579",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": "WA",
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "JOEY",
"last_name": "MAZZOLA",
"credential": "MD",
"code": "5",
"type": "Other Name"
}
]
}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 23, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.