Active NPI
Steven Edward Chang, D.O.
- Family Medicine Physician
- San Francisco, CA
National Provider Identifier
1659718849
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- 20A13481
- Practice address
- 995 Potrero Ave
Building 80, Ward 83
San Francisco, CA 94110-2859 - Phone
- (415) 206-8611
- Fax
- (415) 206-8387
- NPI assigned
- May 28, 2013
- 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 |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| Family Medicine Physician | 207Q00000X | 20A13481 | CA | Primary |
Addresses
Primary practice location
995 Potrero Ave
Building 80, Ward 83
San Francisco, CA 94110-2859
Mailing address
995 Potrero Ave
Building 80
San Francisco, CA 94110-2859
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
Care Compare profile
Medicare Care CompareMerit-based Incentive Payment System (MIPS)
- Final score
- 88.2 of 100
- Quality
- 61.12
- Promoting interoperability
- 99
- Improvement activities
- 40
- Cost
- 83.72
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 13481 | CA | MD | Addiction (Substance Use Disorder) Counselor |
| 20A13481 | CA | MD | Family Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| City & County of San Francisco | Current | Accepting new patients | |
| City & County of San Francisco | Current | Accepting new patients |
Locations
1001 Potrero Ave
San Francisco, CA 94110
Phone (415) 206-2305
1001 Potrero Ave
Bldg 20
San Francisco, CA 94110
Phone (415) 206-8524
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Clinical Medical Laboratory
- San Francisco, CA
- NPI 1982737524
-
- Community Health/Public Health Clinical Nurse Specialist
- San Francisco, CA
- NPI 1609041060
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1369699200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1743033600000",
"number": "1659718849",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "995 POTRERO AVE",
"address_2": "BUILDING 80",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941102859"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "995 POTRERO AVE",
"address_2": "BUILDING 80, WARD 83",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941102859",
"telephone_number": "415-206-8611",
"fax_number": "415-206-8387"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CHANG",
"first_name": "STEVEN",
"middle_name": "EDWARD",
"name_prefix": "Dr.",
"credential": "D.O.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2013-05-28",
"last_updated": "2025-03-27",
"certification_date": "2025-03-27",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "CA",
"license": "20A13481",
"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 Mar 27, 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.