Individual provider Active NPI

Nhi Christine Thuc Mark-Griffin, LCSW

  • Clinical Social Worker
  • San Francisco, CA
National Provider Identifier
1780089227
Registry record updated Aug 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
LCSW79742 Issued in CA
Practice address
3195 California St
San Francisco, CA 94115-2412
Phone
(415) 966-0599
NPI assigned
Oct 27, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 4, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X ASW36180 CA
Clinical Social Worker 1041C0700X LCSW79742 CA Primary

Addresses

Primary practice location

3195 California St
San Francisco, CA 94115-2412

Mailing address

3195 California St
San Francisco, CA 94115-2412
Phone (415) 966-0599

Other names 1

  • Ms. Nhi Christine Thuc Le Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
ASW36180CAMDSocial Worker
LCSW79742CAMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Christine Mark-Griffin, LCSW Professional Corporation Social Worker CurrentSince Feb 1, 2023 Accepting new patients

Locations

2211 Post St
San Francisco, CA 94115
Phone (415) 993-0998

3195 California St
Ste B
San Francisco, CA 94115
Phone (314) 971-1431

3195 California St
San Francisco, CA 94115
Phone (415) 290-0442

2443 Fillmore St
San Francisco, CA 94115
Phone (415) 689-8591

Organizations & group practices 1

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": "1414368000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754265600000",
    "number": "1780089227",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3195 CALIFORNIA ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941152412",
            "telephone_number": "415-966-0599"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3195 CALIFORNIA ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941152412",
            "telephone_number": "415-966-0599"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARK-GRIFFIN",
        "first_name": "NHI CHRISTINE",
        "middle_name": "THUC",
        "name_prefix": "Mrs.",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-10-27",
        "last_updated": "2025-08-04",
        "certification_date": "2025-08-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CA",
            "license": "ASW36180",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "LCSW79742",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "NHI CHRISTINE",
            "last_name": "LE",
            "middle_name": "THUC",
            "prefix": "MS.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

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 Aug 4, 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.