Mary Kathryn Koger, NPF

Primary specialty

Obstetrics & Gynecology Nurse PractitionerTaxonomy code 363LX0001X

License

8919 Issued in CA

Practice address

2637 Shadelands Dr
Walnut Creek, CA 94598-2512

Phone

(925) 945-6600

Fax

(925) 945-7842

NPI assigned

Sep 12, 2007

Last updated

Mar 4, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Interoperability endpoints

• Direct secure messaging: mkoger134976@ehr.johnmuirhealth.com

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

{
    "created_epoch": "1189555200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741046400000",
    "number": "1134314180",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2637 SHADELANDS DR",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982512",
            "telephone_number": "925-945-6600",
            "fax_number": "925-945-7842"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2637 SHADELANDS DR",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982512",
            "telephone_number": "925-945-6600",
            "fax_number": "925-945-7842"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOGER",
        "first_name": "MARY",
        "middle_name": "KATHRYN",
        "credential": "NPF",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-09-12",
        "last_updated": "2025-03-04",
        "certification_date": "2025-03-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LX0001X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Obstetrics & Gynecology",
            "state": "CA",
            "license": "8919",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sarah Knuth, LCSW
• Stephanie Ko, DPM
• Vincent Gee Lum Ko, PHARMD
• Koki Kobayashi
• Shoshana Kobrin, MFT
• Khalida Kohestani
• Hugo Alfred Kohn, RPH
• Lora Kojovic, LMFT
• Arielle Kokhanevich
• Anna Kolbuszewska

• Obstetrics & Gynecology Nurse Practitioner in Walnut Creek, CA
• Providers in Walnut Creek, CA by specialty
• Obstetrics & Gynecology Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 4, 2025; 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.