Mark Huun, M.D.
Internal Medicine Physician · Denver, CO
Mark Huun, M.D. is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1366579245, issued on Feb 27, 2007. Check the license on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Huun
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 1515 Wazee St, Denver, CO 80202
- Phone
- (303) 534-9550
- Enumerated
- Feb 27, 2007
- Entity
- Type 1 · individual
Also registered at 1515 Wazee St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robin Daugherty, MDInternal Medicine Physician1881685469
- Martin Kalevik, DOFamily Medicine Physician1841289766
- Denise Orin, OTROccupational Therapist1538158308
- Thomas Pulk, MDInternal Medicine Physician1447249065
- Margaret Reeves, OTR/CHTHand Occupational Therapist1942299540
- Charles Robinson, PTPhysical Therapist1396723615
Verify Mark Huun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
386 Medicare Part D claims for 236 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Prednisone88 claims
- Amoxicillin-Clavulanate Potass41 claims
- Cephalexin25 claims
- Doxycycline Hyclate20 claims
- Amlodipine Besylate13 claims
- Fluconazole11 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.
One hospital or facility affiliation
- Delta County Memorial HospitalDelta, CO · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
632 internal medicine physician records list a Denver practice address
They are 632 of the 25,068 NPPES records with a Denver practice address, and 2,683 internal medicine physician records in Colorado.
All 632 in Denver → All 2,683 in Colorado → Every provider in Denver →
Other internal medicine physician records in Colorado
- Emily Aaron, MDDenver, CO1205256971
- Cynthia Abacan, MDPueblo, CO1467438549
- David Abbey, MS MDFort Collins, CO1568483196
- Ahmed Abdulrahman, MDPueblo, CO1093425068
- Victor Abela, D.O.Denver, CO1902194152
- Durant Abernethy, M.D.Frisco, CO1427289040
- Lon Abney, MDDurango, CO1962883272
- Alan Aboaf, MDCentennial, CO1003866393
- Adam Abraham, MDAurora, CO1720178304
- Phebe Abraham, MDGreeley, CO1558980540
Common questions
What is Mark Huun, M.D.'s NPI number?
Mark Huun, M.D.'s National Provider Identifier (NPI) is 1366579245, issued on Feb 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Huun, M.D. located?
The NPPES record lists a practice address at 1515 Wazee St, Denver, CO, 80202. Phone: (303) 534-9550. Providers update this record themselves, so call before visiting.
How can I verify Mark Huun, M.D.'s license?
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 Mark Huun, M.D. prescribe under Medicare Part D?
In 2024, Mark Huun, M.D. had 386 Medicare Part D claims for 236 beneficiaries; the average among internal medicine physician prescribers was 2,785. 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.