Amy Daniher MD Inc

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

AMY DANIHER MD INC

Practice address

34 N San Mateo Dr Ste 1
San Mateo, CA 94401-2824

Phone

(650) 393-5851

Fax

(650) 393-5871

NPI assigned

Mar 9, 2026

Last updated

Mar 9, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Dr. Amy Sawyer Daniher, MDNPI 1831121425

Title

Owner

Phone

(650) 393-5851

Specialties & licenses 1

Addresses

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Practitioners 2

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.

• Amy Sawyer Daniher, M.D.

  • Internal Medicine Physician
  • San Mateo, CA
  • NPI 1831121425
  NPD Authorized official
• Ulrike Drees Sujansky, MD

  • Internal Medicine Physician
  • San Mateo, CA
  • NPI 1700993177
  NPD (past)

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

{
    "created_epoch": "1773014400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1773014400000",
    "number": "1942156252",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "34 N SAN MATEO DR STE 1",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944012824",
            "telephone_number": "650-393-5851",
            "fax_number": "650-393-5871"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "34 N SAN MATEO DR STE 1",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944012824",
            "telephone_number": "650-393-5851",
            "fax_number": "650-393-5871"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "AMY DANIHER MD INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-03-09",
        "last_updated": "2026-03-09",
        "certification_date": "2026-03-09",
        "status": "A",
        "authorized_official_last_name": "DANIHER",
        "authorized_official_first_name": "AMY",
        "authorized_official_middle_name": "SAWYER",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "650-393-5851",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Internal Medicine Physician in San Mateo, CA
• Providers in San Mateo, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.