So Yeon Kim-Castillo, LMFT

Primary specialty

Marriage & Family TherapistTaxonomy code 106H00000X

License

139915 Issued in CA

Practice address

2354 Post St Ste D
San Francisco, CA 94115-3424

Phone

(650) 273-0914

NPI assigned

Jun 29, 2021

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

Other names 1

• Soy Kim-Castillo Other name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

Locations

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.

• Marriage and Family Therapy With Soy Kim, Inc

  • Adult Mental Health Clinic/Center
  • San Francisco, CA
  • NPI 1538057369
  NPD Authorized official

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

{
    "created_epoch": "1624924800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773964800000",
    "number": "1821668047",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2354 POST ST STE D",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941153424",
            "telephone_number": "650-273-0914"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2354 POST ST STE D",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941153424",
            "telephone_number": "650-273-0914"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KIM-CASTILLO",
        "first_name": "SO",
        "middle_name": "YEON",
        "credential": "LMFT",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-06-29",
        "last_updated": "2026-03-20",
        "certification_date": "2026-03-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "CA",
            "license": "139915",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SOY",
            "last_name": "KIM-CASTILLO",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Susanne Isabel Killing, APRN, BC
• Jeannie Killmer
• Mariegrace Killpack, L.AC.
• Carmen Kilpatrick, MD
• Kim Newell Green M.D., P.C.
• Aesun Kim, PHARMD
• Alan Kim, PHARM.D.
• Alexander Kim
• Alexander S Kim, PHARMD
• Alicia Kim

• Marriage & Family Therapist in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Marriage & Family Therapist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 20, 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.