NPIMap

Individual provider Active NPI

William E Muth, MD

  • Infectious Disease Physician
  • Corvallis, OR
National Provider Identifier
1598853822
Registry record updated Mar 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Disease PhysicianTaxonomy code 207RI0200X
License
MD28792 Issued in OR
Practice address
3640 NW Samaritan Dr Ste 210
Corvallis, OR 97330-3787
Phone
(541) 768-5810
NPI assigned
Oct 11, 2006
Last updated
Mar 23, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 23, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Infectious Disease Physician 207RI0200X MD28792 OR Primary
Infectious Disease Physician 207RI0200X 4301079165 MI

Addresses

Primary practice location

3640 NW Samaritan Dr Ste 210
Corvallis, OR 97330-3787

Mailing address

PO Box 1189
Corvallis, OR 97339-1189

Other identifiers 1

IdentifierTypeStateIssuer
4915118MedicaidMI

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address wmuth278747@samhealth.direct-ci.com

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR, WA2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20090604000269 OR Practitioner - Infectious Disease 2769462902 Reassigns benefits to 2 organizations
I20220311000806 WA Practitioner - Infectious Disease 2769462902 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Infectious Disease
Education
JC Edwards School of Medicine, Marshall University, 1983
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Good Samaritan Hospital CorvallisGroup PAC ID 1557270725, 372 clinicians
Swedish Health ServicesGroup PAC ID 0244138196, 1,038 clinicians

Practice addresses (Care Compare)

3600 NW Samaritan Dr
Corvallis, OR 97330-3737

3640 NW Samaritan Dr
Suite 210
Corvallis, OR 97330-3787
Phone (541) 768-5810

515 Minor Ave
Suite 300
Seattle, WA 98104-2133
Phone (206) 386-9502

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4301079165MIMDInfectious Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Valley Medical Group-Renton CurrentSince Jun 1, 2024 Accepting new patients
Swedish Health Services CurrentSince Feb 21, 2022 Accepting new patients
Firstcare Medical Foundation CurrentSince Apr 12, 2009 Accepting new patients
Good Samaritan Hospital Corvallis CurrentSince Mar 30, 2026 Accepting new patients
Legacy Clinics LLC CurrentSince Mar 26, 2018 Accepting new patients
Good Samaritan Hospital Corvallis PastSince Apr 12, 2009 Accepting new patients

Locations

2825 Willetta St SW
Ste B
Albany, OR 97321
Phone (541) 812-5150

425 N Santiam Hwy
Lebanon, OR 97355
Phone (541) 451-6960

1130 NW 22nd Ave
Ste 220
Portland, OR 97210
Phone (503) 413-4134

2801 N Gantenbein Ave
Portland, OR 97227
Phone (503) 413-2200

16850 SE 272nd St
Ste 100
Covington, WA 98042
Phone (253) 395-1971

7320 216th St SW
Ste 310
Edmonds, WA 98026
Phone (425) 673-3800

4033 Talbot Rd S
Ste 570
Renton, WA 98055
Phone (425) 656-5400

515 Minor Ave
Ste 300
Seattle, WA 98104
Phone (206) 386-9505

747 Broadway
Seattle, WA 98122
Phone (360) 658-2488

800 5th Ave
Ste 600
Seattle, WA 98104

Organizations & group practices 7

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 39

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

View all 39

NPI Registry JSON

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

{
    "created_epoch": "1160524800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774224000000",
    "number": "1598853822",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1189",
            "city": "CORVALLIS",
            "state": "OR",
            "postal_code": "973391189"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3640 NW SAMARITAN DR STE 210",
            "city": "CORVALLIS",
            "state": "OR",
            "postal_code": "973303787",
            "telephone_number": "541-768-5810"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MUTH",
        "first_name": "WILLIAM",
        "middle_name": "E",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-11",
        "last_updated": "2026-03-23",
        "certification_date": "2026-03-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "OR",
            "license": "MD28792",
            "primary": true
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "MI",
            "license": "4301079165",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4915118",
            "state": "MI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "wmuth278747@samhealth.direct-ci.com",
            "affiliation": "N",
            "address_1": "3640 NW Samaritan Dr Ste 210",
            "city": "Corvallis",
            "state": "OR",
            "country_code": "US",
            "postal_code": "973303787",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Corvallis, OR

Sources for this page

Verify at the official NPI Registry.