Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Dennis G. Gibson, MD

Works at hospitals in Thornton, CO · Denver, CO · Englewood, CO … · Colorado

Summary

Dr. Dennis G. Gibson, MD is an internal medicine doctor at 501 E Hamden Ave, Englewood, CO 80113. Phone: (303) 788-5000. Accepts Medicare assignment. NPI 1144455247. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Dennis G. Gibson, 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 Dennis G. Gibson accept Medicare assignment?
Yes. Medicare's clinician data says Dennis G. Gibson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Dennis G. Gibson's NPI number?
1144455247. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Dennis G. Gibson works

Medicare's Facility Affiliation Data lists Dennis G. Gibson at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Dennis G. Gibson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Dennis G. Gibson as a member of this group (CMS data updated October 2, 2026).

  • Hospital Medicine Services of Colorado, LLC71 clinicians in the group

Specialties

Find other Internal Medicine doctors in Colorado →

Other internal medicine doctors in Englewood

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

All internal medicine doctors in Englewood →

Other clinicians in Hospital Medicine Services of Colorado, LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolSouthern Illinois University School Of Medicine
Graduation year2009 (17 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144455247
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians