Nicholas James Welsh, MD

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

A175378 Issued in CA

Practice address

1525 Silver Ave FL 2
San Francisco, CA 94134-1229

Phone

(415) 657-1770

NPI assigned

Mar 23, 2018

Sex

Male

Sole proprietor

No

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

Enrolled in NH

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1521763200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787875200000",
    "number": "1871098731",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1525 SILVER AVE FL 2",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941341229",
            "telephone_number": "415-657-1770"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1525 SILVER AVE FL 2",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941341229",
            "telephone_number": "415-657-1770"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3801 3rd St Ste 400",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941241409",
            "country_code": "US",
            "telephone_number": "628-271-6672",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2401 Keith St",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941243231",
            "country_code": "US",
            "telephone_number": "628-271-6672",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Sansome St Ste 1400 A1029",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941044431",
            "country_code": "US",
            "telephone_number": "415-737-9911",
            "fax_number": "415-475-1109",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WELSH",
        "first_name": "NICHOLAS",
        "middle_name": "JAMES",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-23",
        "last_updated": "2026-08-28",
        "certification_date": "2026-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "A175378",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Wellstone Healing Center
• Wellthy Psychiatry and Wellness, a Professional Nursing Corporation
• Clark T Welsh, O.D.
• Dianna Welsh
• Kathleen Marie Welsh, MD
• Mary Welter
• Sharone Weltfreid, PH.D.
• Carolyn D. Welty, M.D.
• Michelle Lee Welzenbach
• Steven Philip Wemple

• Psychiatry Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Psychiatry Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 28, 2026; 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.