WILLIAM E MUTH MD
NPI 1598853822
Internal Medicine - Infectious Disease in Corvallis, OR
About William E Muth Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM E MUTH MD (NPI 1598853822) is an individual infectious disease provider in Corvallis, Oregon, licensed in Oregon (MD28792) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Good Samaritan Regional Medical Center, and is a graduate of Jc Edwards School Of Medicine, Marshall University (1983).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
William E Muth Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show William Muth reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Corvallis, OR 97330
- Reassigned Medicare billing, Oregon enrollment
- 522 clinicians in this Medicare group
Portland, OR 97210
- Reassigned Medicare billing, Oregon enrollment
- 1,248 clinicians in this Medicare group
Renton, WA 98055
- Reassigned Medicare billing, Washington enrollment
- 689 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 1,270 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Good Samaritan Regional Medical Center
Acute Care Hospitals · Corvallis, ORSamaritan Albany General Hospital
Acute Care Hospitals · Albany, ORSamaritan Pacific Community Hospital
Critical Access Hospitals · Newport, ORSwedish Medical Center
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97330 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CORVALLIS, OR 97330
CORVALLIS, OR 97330
CORVALLIS, OR 97330
CORVALLIS, OR 97330
CORVALLIS, OR 97330
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Muth's NPI number?
The NPI number for William Muth is 1598853822. It was assigned to this individual provider in the NPPES registry on October 11, 2006.
Where is William Muth located?
William Muth practices at 3640 NW Samaritan Dr Ste 210, Corvallis, OR 97330. The listed phone number is (541) 768-5810.
What is William Muth's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is William Muth enrolled in Medicare?
Yes. William Muth is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for William Muth's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Muth reassigns Medicare benefits to 4 organizations: Good Samaritan Hospital Corvallis (Corvallis, OR), Legacy Clinics LLC (Portland, OR), Valley Medical Group-Renton (Renton, WA) and Swedish Health Services (Seattle, WA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Muth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Muth accept?
Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan and 1 other insurer list William Muth as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is William Muth affiliated with any hospitals?
According to CMS data, William Muth is affiliated with Good Samaritan Regional Medical Center, Samaritan Albany General Hospital, Samaritan Pacific Community Hospital and Swedish Medical Center.
When was this NPI record last updated?
The NPPES record for William Muth was last updated on March 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# William E Muth, MD · NPI 1598853822
Infectious Disease physician in Corvallis, Oregon. Individual provider, active in the CMS NPPES registry since October 11, 2006.
## Identity
- **NPI:** 1598853822 (Entity type: Individual)
- **Enumerated:** October 11, 2006
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** MD28792 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3640 NW SAMARITAN DR STE 210, Corvallis, OR 97330-3787
- **Phone:** (541) 768-5810
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Good Samaritan Hospital Corvallis (NPI 1407112642, Corvallis, OR); Legacy Clinics LLC (NPI 1902827272, Portland, OR); Valley Medical Group-Renton (NPI 1619209574, Renton, WA); Swedish Health Services (NPI 1689612954, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Jc Edwards School Of Medicine, Marshall University, class of 1983
## Record status
- **NPPES last updated:** March 23, 2026
- **Other identifiers:** Medicaid 4915118 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1598853822) · Data from the CMS NPPES public registry.