DR. WILLIAM MICHAEL FINN M.D.
NPI 1982616470
Internal Medicine in Ignacio, CO
About Dr. William Michael Finn M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM MICHAEL FINN M.D. (NPI 1982616470) is an individual internal medicine provider in Ignacio, Colorado, licensed in Colorado (DR.0051966) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Durango, and is a graduate of University Of Washington School Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
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
Dr. William Michael Finn M.d. 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 Reassignment
Medicare enrollment records show William Finn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ignacio, CO 81137
- Reassigned Medicare billing, Texas enrollment
- 9 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 81137 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
IGNACIO, CO 81137
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 Finn's NPI number?
The NPI number for William Finn is 1982616470. It was assigned to this individual provider in the NPPES registry on August 12, 2006. The provider is also known as Will Finn.
Where is William Finn located?
William Finn practices at 123 Weeminuche Avenue, Ignacio, CO 81137. The listed phone number is (970) 563-4581.
What is William Finn's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is William Finn enrolled in Medicare?
Yes. William Finn 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 organization bills Medicare for William Finn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Finn reassigns Medicare benefits to Southern Ute Indian Tribe (Ignacio, CO). The 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 Finn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for William Finn was last updated on June 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.