Individual provider Active NPI

Steven Edward Chang, D.O.

  • Family Medicine Physician
  • San Francisco, CA
National Provider Identifier
1659718849
Registry record updated Mar 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
20A13481 Issued in CA
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

Updated by the provider on Mar 27, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20170516002647 CA Practitioner - Family Practice 6002183308 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare

Merit-based Incentive Payment System (MIPS)

Final score
88.2 of 100Reported as group
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

LicenseStateTypeSpecialty
13481CAMDAddiction (Substance Use Disorder) Counselor
20A13481CAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
City & County of San Francisco CurrentSince Apr 9, 2025 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.

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

Verify at the official NPI Registry.