William Niederhut, M.D.
Psychiatry Physician · Denver, CO
William Niederhut, M.D. is a psychiatry physician with a practice address in Denver, Colorado, and NPI 1982639084, issued on Jul 11, 2006. Check the license (Colorado 26406, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Niederhut
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 26406 CO
Self-reported in NPPES; status is on the state search - Practice location
- 650 S Cherry St, Denver, CO 80246
- Phone
- (303) 331-0662
- Enumerated
- Jul 11, 2006
- Entity
- Type 1 · individual
Also registered at 650 S Cherry St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Niederhut in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 26406Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
19 Medicare Part D claims, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
278 psychiatry physician records list a Denver practice address
They are 278 of the 25,068 NPPES records with a Denver practice address, and 954 psychiatry physician records in Colorado.
All 278 in Denver → All 954 in Colorado → Every provider in Denver →
Other psychiatry physician records in Colorado
- Ari Aal, DOBoulder, CO1689162596
- Ellen Aal, PMHNPBoulder, CO1942120043
- Alec Aaronson, DOAurora, CO1972065233
- Galia Abadi, M.D.Parker, CO1407051378
- Daniel Abrams, MDAurora, CO1780732214
- William Acosta, MDAurora, CO1821338393
- Frances Adachi, MD, MPHDenver, CO1114395241
- Alexis Adams, NPColorado Springs, CO1881373736
- Matthew Adamson, MD, PHDDenver, CO1033859087
- Malia Addison, MDLittleton, CO1043871320
Common questions
What is William Niederhut, M.D.'s NPI number?
William Niederhut, M.D.'s National Provider Identifier (NPI) is 1982639084, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Niederhut, M.D. located?
The NPPES record lists a practice address at 650 S Cherry St, Denver, CO, 80246. Phone: (303) 331-0662. Providers update this record themselves, so call before visiting.
How can I verify William Niederhut, M.D.'s license?
NPPES lists Colorado license number 26406, 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 Niederhut, M.D. prescribe under Medicare Part D?
In 2024, William Niederhut, M.D. had 19 Medicare Part D claims; the average among psychiatry physician prescribers was 1,010. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.