William Michael Finn, M.D.
Internal Medicine Physician · Ignacio, CO
William Michael Finn, M.D. is an internal medicine physician with a practice address in Ignacio, Colorado, and NPI 1982616470, issued on Aug 12, 2006. Check the license (Colorado DR.0051966, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Michael Finn
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DR.0051966 CO
Self-reported in NPPES; status is on the state search - Practice location
- 123 Weeminuche Avenue, Ignacio, CO 81137
- Phone
- (970) 563-4581
- Enumerated
- Aug 12, 2006
- Record last updated
- Jun 16, 2026
- Fax
- (970) 563-0206
- Medicare enrollment
- Enrolled (PECOS I20131024000423); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2005
- Entity
- Type 1 · individual
Also registered at 123 Weeminuche Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Howard Nichols, D.D.S.General Practice Dentistry1124168158
Verify William Michael Finn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0051966Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
199 Medicare Part D claims for 11 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Metformin Hcl Er21 claims
- Amlodipine Besylate12 claims
- Atorvastatin Calcium12 claims
- Chlorthalidone12 claims
- Estradiol (Once Weekly)11 claims
- Latanoprost11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southern Ute Indian TribeIgnacio, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1 internal medicine physician records list a practice address in Ignacio
They are 1 of the 56 NPPES records with a practice address in Ignacio, and 2,046 internal medicine physician records in Colorado.
Other internal medicine physician records in Colorado
- Emily Aaron, MDDenver, CO1205256971
- David Abbey, MS MDFort Collins, CO1568483196
- Tyler Abbey, DOGreeley, CO1730572694
- Sahar Abdelqader, MDLongmont, CO1366600710
- Ahmed Abdulrahman, MDPueblo, CO1093425068
- Durant Abernethy, M.D.Frisco, CO1427289040
- Alan Aboaf, MDCentennial, CO1003866393
- Adam Abraham, MDAurora, CO1720178304
- Phebe Abraham, MDGreeley, CO1558980540
- Richard Abrams, M.D.Denver, CO1174645386
Common questions
What is William Michael Finn, M.D.'s NPI number?
William Michael Finn, M.D.'s National Provider Identifier (NPI) is 1982616470, issued on Aug 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Michael Finn, M.D. located?
The NPPES record lists a practice address at 123 Weeminuche Avenue, Ignacio, CO, 81137. Phone: (970) 563-4581. Providers update this record themselves, so call before visiting.
How can I verify William Michael Finn, M.D.'s license?
NPPES lists Colorado license number DR.0051966, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Michael Finn, M.D. prescribe under Medicare Part D?
In 2024, William Michael Finn, M.D. had 199 Medicare Part D claims for 11 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.