Individual provider Active NPI

Karin Kerk, M.D

  • Internal Medicine Physician
  • San Rafael, CA
National Provider Identifier
1871817536
Registry record updated Sep 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A108988 Issued in CA
Practice address
4000 Civic Center Dr Ste 206
San Rafael, CA 94903-5233
Phone
(415) 925-8895
Fax
(415) 464-5470
NPI assigned
Mar 23, 2010
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 11, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A108988 CA Primary

Addresses

Primary practice location

4000 Civic Center Dr Ste 206
San Rafael, CA 94903-5233

Mailing address

4000 Civic Center Dr Ste 206
San Rafael, CA 94903-5233
Phone (415) 925-8895

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20110216000876 CA Practitioner - Internal Medicine 5597946012 Reassigns benefits to 2 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A108988CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Permanente Medical Group Inc Internal Medicine CurrentSince Jul 10, 2018 Accepting new patients
Permanente Medical Group, Inc CurrentSince Jul 10, 2018 Accepting new patients
West County Health Centers, Inc. Past Accepting new patients

Locations

750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131

4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738

900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014

1800 Harrison St
Fl 7
Oakland, CA 94612

101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109

1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015

901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500

930 W Main St
Ripon, CA 95366
Phone (209) 599-4221

5900 State Farm Dr
Rohnert Park, CA 94928
Phone (707) 206-3000

2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000

710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400

5615 Scotts Valley Dr
Scotts Valley, CA 95066
Phone (831) 430-2700

7373 West Ln
Stockton, CA 95210
Phone (209) 476-2000

975 Sereno Dr
Vallejo, CA 94589
Phone (707) 651-1000

320 N Crawford St
Willows, CA 95988
Phone (530) 934-2834

Interoperability endpoints

  • Direct secure messaging: karin.kerk@wchealth.eclinicaldirectplus.com

Organizations & group practices 4

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.

NPI Registry JSON

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

{
    "created_epoch": "1269302400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789084800000",
    "number": "1871817536",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4000 CIVIC CENTER DR STE 206",
            "city": "SAN RAFAEL",
            "state": "CA",
            "postal_code": "949035233",
            "telephone_number": "415-925-8895",
            "fax_number": "415-464-5470"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4000 CIVIC CENTER DR STE 206",
            "city": "SAN RAFAEL",
            "state": "CA",
            "postal_code": "949035233",
            "telephone_number": "415-925-8895",
            "fax_number": "415-464-5470"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KERK",
        "first_name": "KARIN",
        "credential": "M.D",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2010-03-23",
        "last_updated": "2026-09-11",
        "certification_date": "2026-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A108988",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Rafael, CA

Sources for this page

Verify at the official NPI Registry.