Robert Nixon III, DO

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

OP61585225 Issued in WA

Practice address

400 S 43Rd St
Renton, WA 98055-5714

Phone

(425) 690-1000

NPI assigned

Apr 4, 2018

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

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

HospitalistAlso: Internal Medicine

Education

Midwestern University College of Dental Medicine, Downers Grove, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Valley Medical Group-RentonGroup PAC ID 4183753965, 419 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Valley Medical Center Hospital, Renton, WA, CCN 500088

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

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.

• Valley Medical Group-Renton

  • General Acute Care Hospital
  • Renton, WA
  • NPI 1619209574

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Swedish Health Services

  • Internal Medicine Physician
  • Seattle, WA
  • NPI 1689612954
  Medicare reassignment NPD
• Public Hospital District 1 of King County

  dba Valley Medical Center

  • General Acute Care Hospital
  • Renton, WA
  • NPI 1649209230
  NPD (past)

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

• Public Hospital District 1 of King County

  dba Valley Medical Center

  • General Acute Care Hospital
  • Renton, WA
  • NPI 1649209230
  Care Compare affiliation
• Valley Medical Group-Renton

  • General Acute Care Hospital
  • Renton, WA
  • NPI 1619209574
  Care Compare affiliation

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

{
    "created_epoch": "1522800000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771372800000",
    "number": "1437655818",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "400 S 43RD ST",
            "city": "RENTON",
            "state": "WA",
            "postal_code": "980555714",
            "telephone_number": "425-690-2715"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 S 43RD ST",
            "city": "RENTON",
            "state": "WA",
            "postal_code": "980555714",
            "telephone_number": "425-690-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "18511 Highlander Medics St",
            "address_purpose": "LOCATION",
            "city": "Fort Bliss",
            "state": "TX",
            "postal_code": "799065327",
            "country_code": "US",
            "telephone_number": "915-569-4348",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NIXON",
        "first_name": "ROBERT",
        "name_prefix": "Dr.",
        "name_suffix": "III",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-04",
        "last_updated": "2026-02-18",
        "certification_date": "2026-02-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NE",
            "license": "2192",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "OP61585225",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WA",
            "license": "OP61585225",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2357150",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Motoko Saito Nishigaya
• Tepaporn Nishimura, REGISTERED NURSE
• Nisreen Malik DDS PLLC
• Amber Nixon, ND, EAMP
• Gary Stephen Nixon, L.M.P.
• Samuel Njuguna Njoki
• Susan Njoroge, REGISTERED NURSE
• Terry Njeri Njoroge
• Vera Ngenwie Nkweti
• Christiana Nmezi

• Hospitalist Physician in Renton, WA
• Providers in Renton, WA by specialty
• Hospitalist Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 18, 2026; 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.