San Francisco Nephrology Professional

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

Legal business name

SAN FRANCISCO NEPHROLOGY PROFESSIONAL

Practice address

636 Clay St
San Francisco, CA 94111-2502

Phone

(833) 370-2086

Fax

(540) 235-5678

NPI assigned

Aug 3, 2023

Organization subpart

No

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

Authorized official

Name

Celeste S Chang, MDNPI 1245633825

Title

MD

Phone

(650) 265-8755

Specialties & licenses 1

Addresses

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Celeste Sharon Chang, MD, FACP

  • Nephrology Physician
  • San Francisco, CA
  • NPI 1245633825
  NPD Authorized official

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1691020800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1771718400000",
    "number": "1649952268",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 330172",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941330172",
            "telephone_number": "650-265-8755",
            "fax_number": "540-235-5678"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "636 CLAY ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941112502",
            "telephone_number": "833-370-2086",
            "fax_number": "540-235-5678"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2765 16th St",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941034215",
            "country_code": "US",
            "telephone_number": "833-389-2155",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1499 Webster St",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941153705",
            "country_code": "US",
            "telephone_number": "833-370-2080",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1493 Webster St",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941153705",
            "country_code": "US",
            "telephone_number": "833-386-2394",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "SAN FRANCISCO NEPHROLOGY PROFESSIONAL",
        "organizational_subpart": "NO",
        "enumeration_date": "2023-08-03",
        "last_updated": "2026-02-22",
        "certification_date": "2026-02-22",
        "status": "A",
        "authorized_official_last_name": "CHANG",
        "authorized_official_first_name": "CELESTE",
        "authorized_official_middle_name": "S",
        "authorized_official_title_or_position": "MD",
        "authorized_official_telephone_number": "650-265-8755",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Internal Medicine, Nephrology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Nephrology Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Nephrology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 22, 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.

Verify at the official NPI Registry.