Chiara Leifer, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

108028 Issued in CA

Practice address

2333 Buchanan St FL 1
San Francisco, CA 94115-1925

Phone

(415) 923-3155

Fax

(415) 441-5128

NPI assigned

Feb 27, 2026

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

Other, 2018

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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.

• Sutter Bay Medical Foundation

  • Multi-Specialty Clinic/Center
  • Palo Alto, CA
  • NPI 1013950807
  Medicare reassignment

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

{
    "created_epoch": "1772150400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772150400000",
    "number": "1164377701",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2333 BUCHANAN ST FL 1",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941151925",
            "telephone_number": "415-923-3155",
            "fax_number": "415-441-5128"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2333 BUCHANAN ST FL 1",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941151925",
            "telephone_number": "415-923-3155",
            "fax_number": "415-441-5128"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEIFER",
        "first_name": "CHIARA",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-02-27",
        "last_updated": "2026-02-27",
        "certification_date": "2026-02-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "108028",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jonathan Leichtling, M.D.
• Justine S. Leichtling, PSY.D.
• Thomas Plant Leidy, L.AC.
• Erica Leif
• Andrew Leifer
• Janine Maria Leigh, PHARMD
• Karen Leigh, MS, OTR/L
• Stephanie Leigh
• Emma Janet Leighton, LMFT
• Lisa Leighton, RN, PHN

• Clinical Social Worker in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Clinical Social Worker in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 27, 2026; 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.

Verify at the official NPI Registry.