Individual provider Active NPI

Johannes Koch, MD

  • Gastroenterology Physician
  • Seattle, WA
National Provider Identifier
1396716148
Registry record updated Jun 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
MD00039369 Issued in WA
Practice address
1100 9TH Ave
Seattle, WA 98101-2756
Phone
(206) 223-2319
NPI assigned
Jan 30, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 18, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 7971790 ID
Gastroenterology Physician 207RG0100X MD00039369 WA Primary

Addresses

Primary practice location

1100 9TH Ave
Seattle, WA 98101-2756

Mailing address

1100 9TH Ave
Seattle, WA 98101-2756
Phone (206) 515-5811

Other practice location 1

100 Hospital Dr, Suite 201
Ketchum, ID 83340
Phone (208) 727-8888

Other identifiers 3

IdentifierTypeStateIssuer
1396716148OtherWAMONTANA MEDICAID
P00958035OtherWARAILROAD MEDICARE
0271929OtherWADEPT OF LABOR AND INDUSTRY

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA, ID2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20101229000585 WA Practitioner - Gastroenterology 9830387208 Reassigns benefits to 1 organization
I20260616002095 ID Practitioner - Gastroenterology 9830387208 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Tulane University School of Medicine, 1987
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)

1959 NE Pacific St
Seattle, WA 98195-0001
Phone (206) 598-4333

Hospital & facility affiliations

  • University of Washington Medical Ctr Hospital, Seattle, WA, CCN 500008

Merit-based Incentive Payment System (MIPS)

Final score
93.85 of 100Reported as apm
Quality
74.6
Promoting interoperability
100
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy43
Upper gastrointestinal (GI) endoscopy for acid reflux60

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD00039369WAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The Association of University Physicians CurrentSince Jun 6, 2019 Accepting new patients

Locations

1959 NE Pacific St
Seattle, WA 98195
Phone (206) 598-4333

Interoperability endpoints

  • Direct secure messaging: johannes.koch@direct.vmmc.org
  • Direct secure messaging: jkoch102925@direct.ehre.uwmedicine.org

Organizations & group practices 2

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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1138579200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781740800000",
    "number": "1396716148",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1100 9TH AVE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981012756",
            "telephone_number": "206-515-5811"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1100 9TH AVE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981012756",
            "telephone_number": "206-223-2319"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "100 Hospital Dr, Suite 201",
            "address_purpose": "LOCATION",
            "city": "Ketchum",
            "state": "ID",
            "postal_code": "83340",
            "country_code": "US",
            "telephone_number": "208-727-8888",
            "fax_number": "208-727-8889",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KOCH",
        "first_name": "JOHANNES",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-30",
        "last_updated": "2026-06-18",
        "certification_date": "2026-06-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "ID",
            "license": "7971790",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "WA",
            "license": "MD00039369",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MONTANA MEDICAID",
            "identifier": "1396716148",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P00958035",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DEPT OF LABOR AND INDUSTRY",
            "identifier": "0271929",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.