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Internal Medicine

Steven M. Harnack

Sees patients in Denver, CO · Colorado

Summary

Steven M. Harnack is an internal medicine doctor at 3000 Lawrence St, Suite 101, Denver, CO 80205. May accept Medicare assignment. NPI 1982622387. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 3000 Lawrence St, Suite 101, Denver, CO 80205 · Directions
  • Medicare: May accept Medicare assignment
  • Medical school: University Of Illinois College Of Med (chi/peor/rock/chm-Urb) · graduated 1990 (36 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Steven M. Harnack, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Steven M. Harnack accept Medicare assignment?
Medicare's clinician data says Steven M. Harnack may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Steven M. Harnack's NPI number?
1982622387. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Steven M. Harnack is enrolled with Medicare (CMS data updated October 2, 2026).

  • 3000 Lawrence St, Suite 101Denver, CO 80205

Specialties

Find other Internal Medicine doctors in Colorado →

Other internal medicine doctors in Denver

Clinicians with the same Medicare primary specialty in Denver, CO — not a recommendation.

All internal medicine doctors in Denver →

Clinician information

Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1982622387
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians