Individual provider Active NPI

William Robert Walters III, MD

  • Anesthesiology Physician
  • Portland, OR
National Provider Identifier
1184366395
Registry record updated Jul 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
MD229524 Issued in OR
Practice address
707 SW Washington St Ste 700
Portland, OR 97205-3523
Phone
(503) 299-9906
Fax
(503) 225-9002
NPI assigned
Apr 8, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 15, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X MD229524 OR Primary

Addresses

Primary practice location

707 SW Washington St Ste 700
Portland, OR 97205-3523

Mailing address

PO Box 35147
#1801
Seattle, WA 98124-5147

Other practice location 1

320 E North Ave
Pittsburgh, PA 15212-4772
Phone (412) 359-8191

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Oregon Anesthesiology Group PC Anesthesiology PastSince Jul 25, 2019 Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1649376000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784073600000",
    "number": "1184366395",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35147",
            "address_2": "#1801",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981245147"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "707 SW WASHINGTON ST STE 700",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972053523",
            "telephone_number": "503-299-9906",
            "fax_number": "503-225-9002"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "320 E North Ave",
            "address_purpose": "LOCATION",
            "city": "Pittsburgh",
            "state": "PA",
            "postal_code": "152124772",
            "country_code": "US",
            "telephone_number": "412-359-8191",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALTERS",
        "first_name": "WILLIAM",
        "middle_name": "ROBERT",
        "name_prefix": "Dr.",
        "name_suffix": "III",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-08",
        "last_updated": "2026-07-15",
        "certification_date": "2026-07-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "OR",
            "license": "MD229524",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, OR

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 15, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.