Organization Active NPI

Walter C. Prehn M.D. a Professional Corporation

  • Internal Medicine Physician
  • Sonoma, CA
National Provider Identifier
1306143169
Registry record updated Oct 5, 2012
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
G25454 Issued in CA
Legal business name
WALTER C. PREHN M.D. A PROFESSIONAL CORPORATION
Practice address
181 Andrieux St
Suite 206
Sonoma, CA 95476-6920
Phone
(707) 495-7762
Fax
(707) 938-7337
NPI assigned
Feb 14, 2011
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Oct 5, 2012

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

Authorized official

Name
Dr. Walter Craig Prehn, M.D.NPI 1225042088
Title
President
Phone
(707) 495-7762

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207R00000X G25454 CA Primary

Addresses

Primary practice location

181 Andrieux St
Suite 206
Sonoma, CA 95476-6920

Mailing address

181 Andrieux St
Suite 206
Sonoma, CA 95476-6920
Phone (707) 495-7762

Other identifiers 1

IdentifierTypeStateIssuer
00G254540MedicaidCA

National Provider Directory

National Provider Directory

Locations

181 Andrieux St
Ste 206
Sonoma, CA 95476
Phone (707) 938-7951

Practitioners & affiliated clinicians

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1297641600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1349395200000",
    "number": "1306143169",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "181 ANDRIEUX ST",
            "address_2": "SUITE 206",
            "city": "SONOMA",
            "state": "CA",
            "postal_code": "954766920",
            "telephone_number": "707-495-7762",
            "fax_number": "707-938-7337"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "181 ANDRIEUX ST",
            "address_2": "SUITE 206",
            "city": "SONOMA",
            "state": "CA",
            "postal_code": "954766920",
            "telephone_number": "707-495-7762",
            "fax_number": "707-938-7337"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WALTER C. PREHN M.D. A PROFESSIONAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2011-02-14",
        "last_updated": "2012-10-05",
        "status": "A",
        "authorized_official_last_name": "PREHN",
        "authorized_official_first_name": "WALTER",
        "authorized_official_middle_name": "CRAIG",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "707-495-7762",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G25454",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G254540",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Sonoma, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 5, 2012; 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.