Fion Ma, MS,CGC

Primary specialty

Genetic Counselor (M.S.)Taxonomy code 170300000X

License

GC001900 Issued in CA

Practice address

2340 Sutter St
San Francisco, CA 94115-3024

Phone

(415) 353-2658

NPI assigned

Sep 22, 2025

Last updated

Sep 22, 2025By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Master of Science

State licenses

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

{
    "created_epoch": "1758499200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758499200000",
    "number": "1780556464",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2340 SUTTER ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941153024"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2340 SUTTER ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941153024",
            "telephone_number": "415-353-2658"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MA",
        "first_name": "FION",
        "credential": "MS,CGC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-09-22",
        "last_updated": "2025-09-22",
        "certification_date": "2025-09-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "170300000X",
            "taxonomy_group": "",
            "desc": "Genetic Counselor, MS",
            "state": "CA",
            "license": "GC001900",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Anny Shaoying Ma
• Averil I Ma, M.D.
• Christina Ma
• Chunbong Benjamin Ma, MD
• Diane Ma, PHARMIST
• Guipeng Ma, RN
• Hanley Ma, M.D.
• Harrison Howard Ma, PT, DPT, CSCS
• Jane Teresa Ma, LCSW
• Jessie Xili Ma, MD

• Genetic Counselor (M.S.) in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Genetic Counselor (M.S.) in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 22, 2025; 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.