Mark J. Hermacinski, MD
Surgery Physician · Steamboat Springs, CO
Mark J. Hermacinski, MD is a surgery physician with a practice address in Steamboat Springs, Colorado, and NPI 1871684472, issued on Sep 27, 2006. Check the license (Colorado 35333, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark J. Hermacinski
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 35333 CO
Self-reported in NPPES; status is on the state search - Practice location
- 940 Central Park Drive, Steamboat Springs, CO 80487
- Phone
- (970) 879-9299
- Enumerated
- Sep 27, 2006
- Record last updated
- Jun 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 01353333 CO
- Medicare enrollment
- Enrolled (PECOS I20050919000844); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1986
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 608 in Colorado → Look up another NPI →
Also registered at 940 Central Park Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lilia Luna, M.A.Clinical Psychologist1841556438
- Diane Petersen, M.D.Obstetrics & Gynecology Physician1013939578
- David Schaller, M.D.Obstetrics & Gynecology Physician1801814009
Verify Mark J. Hermacinski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 35333Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average surgery physician in 2024
22 Medicare Part D claims for 11 beneficiaries, against an average of 147 among the 20,115 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.
Bills Medicare through one group practice
- Alpine Surgical Associates PCSteamboat Springs, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark J. Hermacinski among 608 surgery physician records in Colorado
Mark J. Hermacinski, MD is one of 608 surgery physician records with a practice address in Colorado. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1986 · median 2005 among the 370 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Colorado
There are 608 surgery physician records in Colorado.
All 608 in Colorado → Every provider in Steamboat Springs → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Allen Belshaw, MDSteamboat Springs, CO 804871912956129
- Kevin Berg, MDLongmont, CO 805011396749792
- David Donahue, D.O.Longmont, CO 805011417074717
- Derek Leopold, MDLongmont, CO 805011255645214
- Bryan Levy, D.O.Longmont, CO 805011336522820
- Bethany Mensink, D.O.Longmont, CO 805011497106637
- Denise Miller, MDLongmont, CO 805011558368712
- Robert Powell, M.D.Longmont, CO 805011871775908
Common questions
What is Mark J. Hermacinski, MD's NPI number?
Mark J. Hermacinski, MD's National Provider Identifier (NPI) is 1871684472, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Hermacinski, MD located?
The NPPES record lists a practice address at 940 Central Park Drive, Steamboat Springs, CO, 80487. Phone: (970) 879-9299. Providers update this record themselves, so call before visiting.
How can I verify Mark J. Hermacinski, MD's license?
NPPES lists Colorado license number 35333, 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 Mark J. Hermacinski, MD prescribe under Medicare Part D?
In 2024, Mark J. Hermacinski, MD had 22 Medicare Part D claims for 11 beneficiaries; the average among surgery physician prescribers was 147. 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.