Karen A Larsen, MD

Primary specialty

Addiction Psychiatry PhysicianTaxonomy code 2084P0802X

License

042-0006922 Issued in VT

Practice address

3801 Miranda Ave
Unit 2B1
Palo Alto, CA 94304-1207

Phone

(650) 493-5000

NPI assigned

Oct 3, 2006

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

Not listed in the public Medicare enrollment file

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.

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": "1159833600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1326132796",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3801 MIRANDA AVE",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041207",
            "telephone_number": "650-493-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3801 MIRANDA AVE",
            "address_2": "UNIT 2B1",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041207",
            "telephone_number": "650-493-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LARSEN",
        "first_name": "KAREN",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-10-03",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "VT",
            "license": "042-0006922",
            "primary": false
        },
        {
            "code": "2084P0802X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Addiction Psychiatry",
            "state": "VT",
            "license": "042-0006922",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Thomas Joseph Larocca, MD
• Larry R .Morrill D.D.S. Prof. Dental Corp.
• Erin Rockwell Larsen, MS, RN, CPNP-PC
• Ferol F. Larsen, PHD
• Jillian Porter Larsen, MD
• Megan Larsen, CRNP
• David Benjamin Larson, MD
• Jade E Larson, PTA
• Nancy Larson, PT
• Melissa Antonia Lashombe, PAC

• Addiction Psychiatry Physician in Palo Alto, CA
• Providers in Palo Alto, CA by specialty
• Addiction Psychiatry Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.