Ana Marija Halvorson

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

Practice address

801 Welch Rd FL 2
Palo Alto, CA 94304-1611

Phone

(650) 725-6500

NPI assigned

Apr 20, 2021

Sex

Female

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 CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Practice roles

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.

• Stanford Health Care

  • General Acute Care Hospital
  • Stanford, CA
  • NPI 1437292927
  NPD (past)

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

{
    "created_epoch": "1618876800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785110400000",
    "number": "1922689967",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14114 ARCADIA PALMS DR",
            "city": "SARATOGA",
            "state": "CA",
            "postal_code": "950705616"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "801 WELCH RD FL 2",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041611",
            "telephone_number": "650-725-6500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HALVORSON",
        "first_name": "ANA MARIJA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-04-20",
        "last_updated": "2026-07-27",
        "certification_date": "2026-07-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• James Lloyd Hallenbeck, MD
• Catherine Hallet, RDN
• Courtney Hallum, MD
• Christina Lee Halstead, MD
• Mark Rollo Halverson, MD
• Rita Hamad, M.D.
• Ron Hamako, DDS
• Kris Saeko Hamamoto, D.D.S.
• Syed Morad Hameed, MD
• Mai Tajima Hamel, DPT

• Student in an Organized Health Care Education/Training Program in Palo Alto, CA
• Providers in Palo Alto, CA by specialty
• Student in an Organized Health Care Education/Training Program in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 27, 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.