Active NPI
Erik Karff Marriage and Family Therapy, Inc.
- Mental Health Counselor
- San Francisco, CA
National Provider Identifier
1154258630
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Mental Health Counselor
- Legal business name
- ERIK KARFF MARRIAGE AND FAMILY THERAPY, INC.
- Practice address
- 4053 18TH St
San Francisco, CA 94114-2535 - Phone
- (516) 557-3569
- NPI assigned
- May 7, 2026
- Last updated
- May 7, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Erik Karff, LMFT
- Title
- Ceo
- Phone
- (516) 557-3569
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Mental Health Counselor | 101YM0800X | NU | Primary |
Addresses
Primary practice location
4053 18TH St
San Francisco, CA 94114-2535
Mailing address
4053 18TH St
San Francisco, CA 94114-2535
Phone (516) 557-3569
National Provider Directory
National Provider DirectoryLocations
4053 18th St
San Francisco, CA 94114
Phone (415) 484-6509
Practitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1778112000000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1778112000000",
"number": "1154258630",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4053 18TH ST",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941142535",
"telephone_number": "516-557-3569"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4053 18TH ST",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941142535",
"telephone_number": "516-557-3569"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "ERIK KARFF MARRIAGE AND FAMILY THERAPY, INC.",
"organizational_subpart": "NO",
"enumeration_date": "2026-05-07",
"last_updated": "2026-05-07",
"certification_date": "2026-05-07",
"status": "A",
"authorized_official_last_name": "KARFF",
"authorized_official_first_name": "ERIK",
"authorized_official_title_or_position": "CEO",
"authorized_official_telephone_number": "516-557-3569",
"authorized_official_credential": "LMFT"
},
"taxonomies": [
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": "NU",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
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 May 7, 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.