Individual provider Active NPI

Catherine Johnsen, DO

  • Family Medicine Physician
  • Santa Rosa, CA
National Provider Identifier
1801830724
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
ZOA7468 Issued in CA
Practice address
4700 Hoen Ave
Santa Rosa, CA 95405
Phone
(707) 526-3360
Fax
(707) 526-0554
NPI assigned
Jun 15, 2006
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
Family Medicine Physician 207Q00000X ZOA7468 CA Primary

Addresses

Primary practice location

4700 Hoen Ave
Santa Rosa, CA 95405

Mailing address

4700 Hoen Ave
Santa Rosa, CA 95405
Phone (707) 526-3360

Other identifiers 1

IdentifierTypeStateIssuer
00AX74680MedicaidCA

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)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
ZOA7468CAMDFamily Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1150329600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1801830724",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4700 HOEN AVE",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "95405",
            "telephone_number": "707-526-3360"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4700 HOEN AVE",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "95405",
            "telephone_number": "707-526-3360",
            "fax_number": "707-526-0554"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSEN",
        "first_name": "CATHERINE",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-15",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "ZOA7468",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00AX74680",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Santa Rosa, 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.