Individual provider Active NPI

Nikolas Anton Johs

  • Internal Medicine Physician
  • Seattle, WA
National Provider Identifier
1457914558
Registry record updated Aug 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD61196715 Issued in WA
Practice address
1959 NE Pacific St
Seattle, WA 98195-0001
Phone
(206) 520-5000
NPI assigned
Apr 15, 2019
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 21, 2025

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 MD61196715 WA Primary

Addresses

Primary practice location

1959 NE Pacific St
Seattle, WA 98195-0001

Mailing address

PO Box 50095
Seattle, WA 98145-5095

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, WA2 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
I20220822003104 TX Practitioner - Internal Medicine 1153654074 Reassigns benefits to 2 organizations
I20250905002446 WA Practitioner - Internal Medicine 1153654074 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
The Association of University PhysiciansGroup PAC ID 0446162697, 3,484 clinicians
Alaska Native Tribal Health ConsortiumGroup PAC ID 6709780265, 605 clinicians

Practice addresses (Care Compare)

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

3900 Ambassador Dr
Anchorage, AK 99508-5922
Phone (907) 563-2662

Hospital & facility affiliations

  • Alaska Native Medical Center Hospital, Anchorage, AK, CCN 020026
  • University of Washington Medical Ctr Hospital, Seattle, WA, CCN 500008

Merit-based Incentive Payment System (MIPS)

Final score
90.93 of 100Reported as group
Quality
70.1
Promoting interoperability
100
Improvement activities
40
Cost
83.01

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD61196715WAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Alaska Native Tribal Health Consortium CurrentSince Jul 1, 2022 Accepting new patients
Southeast Alaska Regional Health Consortium Current Accepting new patients
Southeast Alaska Regional Health Consortium CurrentSince Mar 28, 2024 Accepting new patients
Southeast Alaska Regional Health Constortium CurrentSince Mar 28, 2024 Accepting new patients
The Association of University Physicians Internal Medicine CurrentSince Aug 21, 2025 Accepting new patients
Alaska Native Tribal Health Consortium Past Accepting new patients
South East Alaska Regional Health Consortium Past Accepting new patients
Seattle King Co Dept of Public Health Past Accepting new patients

Locations

3900 Ambassador Dr
Anchorage, AK 99508
Phone (907) 729-1500

4315 Diplomacy Dr
Anchorage, AK 99508
Phone (907) 729-1729

4000 Ambassador Dr
Anchorage, AK 99508
Phone (907) 729-1900

3100 Channel Dr
Ste 300
Juneau, AK 99801
Phone (907) 463-4000

222 Tongass Dr
Sitka, AK 99835
Phone (907) 966-8423

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

2124 4th Ave
Seattle, WA 98121
Phone (206) 296-4755

4245 Roosevelt Way NE
Seattle, WA 98105
Phone (206) 598-4055

Interoperability endpoints

  • Direct secure messaging: najohs@direct.anthc.org
  • Direct secure messaging: njohs738881@direct.ochin.org
  • Direct secure messaging: njohs876216@direct.ehre.uwmedicine.org

Organizations & group practices 9

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 14

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

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1555286400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755734400000",
    "number": "1457914558",
    "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": "206-520-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHS",
        "first_name": "NIKOLAS",
        "middle_name": "ANTON",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-04-15",
        "last_updated": "2025-08-21",
        "certification_date": "2025-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "MD61196715",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.