Individual provider Active NPI

Anne A. Knowlton, M.D.

  • Cardiovascular Disease Physician
  • Sacramento, CA
National Provider Identifier
1245216621
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
46102 Issued in MA
Practice address
10535 Hospital Way
Sacramento VA Hospital
Sacramento, CA 95655
Phone
(916) 366-7138
NPI assigned
Dec 19, 2005
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 46102 MA Primary

Addresses

Primary practice location

10535 Hospital Way
Sacramento VA Hospital
Sacramento, CA 95655

Mailing address

1614 Olympic Dr
Davis, CA 95616-6663
Phone (530) 752-5461

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
46102MAMDCardiovascular Disease Physician

NPI Registry JSON

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

{
    "created_epoch": "1134950400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1245216621",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1614 OLYMPIC DR",
            "city": "DAVIS",
            "state": "CA",
            "postal_code": "956166663",
            "telephone_number": "530-752-5461"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10535 HOSPITAL WAY",
            "address_2": "SACRAMENTO VA HOSPITAL",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "95655",
            "telephone_number": "916-366-7138"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KNOWLTON",
        "first_name": "ANNE",
        "middle_name": "A.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-12-19",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MA",
            "license": "46102",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Sacramento, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.