Michael Willig, MD
Family Medicine Physician · Denver, CO
Michael Willig, MD is a family medicine physician with a practice address in Denver, Colorado, and NPI 1639253156, issued on Oct 24, 2006. Check the license (Colorado 25546, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Michael Willig
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 25546 CO
Self-reported in NPPES; status is on the state search - Practice location
- 3464 S Willow St, Denver, CO 80231
- Phone
- (303) 755-2900
- Enumerated
- Oct 24, 2006
- Record last updated
- Aug 16, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 01255462 CO
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Willig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 25546Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Michael Willig among 3,563 family medicine physician records in Colorado
Michael Willig, MD is one of 3,563 family medicine physician records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 56% newer
- In a Medicare fileNo · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2013 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
457 family medicine physician records list a practice address in Denver
They are 457 of the 25,068 NPPES records with a practice address in Denver, and 3,563 family medicine physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,563 in Colorado → Every provider in Denver → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Karin Kempe, MDDenver, CO 802311851435630
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- Aaron Snyder, MDDenver, CO 802311659497287
- Heather TolliverDenver, CO 802311699805457
- Jeffrey Galloway, DOLakewood, CO 802321437891223
- Stephanie Gold, M.D.Denver, CO 802301093072837
- Elizabeth Grace, M.D.Denver, CO 802301265688931
- Joseph Hermann, MDLakewood, CO 802321356401319
Common questions
What is Michael Willig, MD's NPI number?
Michael Willig, MD's National Provider Identifier (NPI) is 1639253156, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Willig, MD located?
The NPPES record lists a practice address at 3464 S Willow St, Denver, CO, 80231. Phone: (303) 755-2900. Providers update this record themselves, so call before visiting.
How can I verify Michael Willig, MD's license?
NPPES lists Colorado license number 25546, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.