Karen Triandafyllis, NP

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

NP 18093 Issued in CA

Practice address

995 Potrero Ave, Ward 93
San Francisco General Hospital, Otop
San Francisco, CA 94110

Phone

(628) 206-6522

Fax

(628) 206-4153

NPI assigned

Apr 23, 2007

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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.

• City & County of San Francisco

  • Clinical Medical Laboratory
  • San Francisco, CA
  • NPI 1982737524
  Medicare reassignment NPD
• City and County of San Francisco

  • Methadone Clinic
  • San Francisco, CA
  • NPI 1578787925
  NPD

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

{
    "created_epoch": "1177286400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759968000000",
    "number": "1659599983",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "995 POTRERO AVE, WARD 93",
            "address_2": "SAN FRANCISCO GENERAL HOSPITAL, OTOP",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "94110",
            "telephone_number": "628-206-6522",
            "fax_number": "628-206-4153"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "995 POTRERO AVE, WARD 93",
            "address_2": "SAN FRANCISCO GENERAL HOSPITAL, OTOP",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "94110",
            "telephone_number": "628-206-6522",
            "fax_number": "628-206-4153"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TRIANDAFYLLIS",
        "first_name": "KAREN",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-04-23",
        "last_updated": "2025-10-09",
        "certification_date": "2025-10-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "CA",
            "license": "NP 18093",
            "primary": true
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NY",
            "license": "401013",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sandra Michelle Trevino, CAODC
• Francisco Trevizo
• Christine M Trewhitt, NP
• Samantha Treyve, MS, RD
• Skyler Chase Trezona, OT
• Elizabeth Frances Triche, M.D.
• Stephen Morris Trichter, PSY.D.
• Genessa M Trietsch, MSW, MPH
• Phung Trieu, RN
• Theresa Kaylynn Trieu, MD

• Psychiatric/Mental Health Nurse Practitioner in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Psychiatric/Mental Health Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 9, 2025; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.