Katherine C Johnson, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

MD00033343 Issued in WA

Practice address

1959 NE Pacific St
Seattle, WA 98195-0001

Phone

(206) 597-5242

NPI assigned

Feb 3, 2006

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

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in WA

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

Specialty

Obstetrics/Gynecology

Education

University of Louisville School of Medicine, 1993

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The Association of University PhysiciansGroup PAC ID 0446162697, 3,484 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

93.85 of 100Reported as apm

Quality

74.6

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kjohnson8404@direct.ehre.uwmedicine.org

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.

• The Association of University Physicians

  • Anesthesiology Physician
  • Seattle, WA
  • NPI 1023041159

  Obstetrics & Gynecology

  Medicare reassignment Care Compare group NPD
• Harborview Medical Center

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1053359729
  Medicare reassignment NPD
• Harborview Medical Center

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1568557312
  NPD
• Proliance Surgeons Inc PS

  • Ambulatory Surgical Clinic/Center
  • Seattle, WA
  • NPI 1326094491
  NPD (past)

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

{
    "created_epoch": "1138924800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752710400000",
    "number": "1295707289",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 50095",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981455095"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1959 NE PACIFIC ST",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981950001",
            "telephone_number": "206-597-5242"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4060 East Stevens Way NE",
            "address_purpose": "LOCATION",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981950001",
            "country_code": "US",
            "telephone_number": "206-597-5242",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "325 9th Ave",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981042420",
            "country_code": "US",
            "telephone_number": "206-597-5242",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "KATHERINE",
        "middle_name": "C",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-02-03",
        "last_updated": "2025-07-17",
        "certification_date": "2025-07-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "WA",
            "license": "MD00033343",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8234940",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "L&I",
            "identifier": "0245571",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Justin Johnson, DPT
• Kaalan E Johnson, MD
• Karen Alina Johnson, ARNP
• Kari Johnson
• Karin Johnson, OTR/L
• Kathryn Ann Johnson
• Kathy Deann Johnson, LMP
• Kauzhana P Johnson
• Kay Marie Johnson, MD
• Keith Johnson

• Obstetrics & Gynecology Physician in Seattle, WA
• Providers in Seattle, WA by specialty
• Obstetrics & Gynecology Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 17, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.