Individual provider Active NPI

John Daniel Ballew, DO

  • Emergency Medicine Physician
  • Seattle, WA
National Provider Identifier
1922493360
Registry record updated Aug 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
DO.OP.61416104 Issued in WA
Practice address
1959 NE Pacific St
Seattle, WA 98195-0001
Phone
(206) 520-5000
NPI assigned
Apr 2, 2015
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 5, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X DO.OP.61416104 WA Primary
Critical Care Medicine (Anesthesiology) Physician 207LC0200X DO.OP.61416104 WA

Addresses

Primary practice location

1959 NE Pacific St
Seattle, WA 98195-0001

Mailing address

PO Box 50095
Seattle, WA 98145-5095

Other practice location 1

1550 N 115th St
Seattle, WA 98133-8401
Phone (206) 520-5000

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
I20180824000756 TX Practitioner - Emergency Medicine 2860785391 Reassigns benefits to 1 organization
I20251230001857 WA Practitioner - Critical Care (Intensivists)Practitioner - Emergency Medicine 2860785391 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)Also: Emergency Medicine
Education
Other, 2015
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

4315 Diplomacy Dr
Anchorage, AK 99508-5926
Phone (907) 563-2662

Hospital & facility affiliations

  • Alaska Native Medical Center Hospital, Anchorage, AK, CCN 020026

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 Osteopathy

State licenses

LicenseStateTypeSpecialty
OP61416104WAMDCritical Care Medicine (Anesthesiology) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The Association of University Physicians CurrentSince Nov 1, 2025 Accepting new patients
Alaska Native Tribal Health Consortium CurrentSince Jul 9, 2018 Accepting new patients

Locations

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

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

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

1550 N 115th St
Shoreline, WA 98133
Phone (206) 364-0500

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 13

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

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1427932800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1922493360",
    "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": [
        {
            "address_1": "1550 N 115th St",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981338401",
            "country_code": "US",
            "telephone_number": "206-520-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BALLEW",
        "first_name": "JOHN",
        "middle_name": "DANIEL",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-02",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WA",
            "license": "DO.OP.61416104",
            "primary": true
        },
        {
            "code": "207LC0200X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Critical Care Medicine",
            "state": "WA",
            "license": "DO.OP.61416104",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.