Colby G. Simmons, DO

Medicare activity in 2024

Official CMS public-use data for Colby G. Simmons, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) (G0453)186 services
2. Needle measurement of electrical activity in arm, leg, trunk or head muscles, limited study (95870)26 services
3. Anesthesia for extensive surgery on spine (00670)25 services
4. Placement of skin electrodes and measurement of stimulated sites on arms and legs (95938)24 services
5. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)21 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure74%
• High cholesterol72%
• Arthritis65%
• Depression35%
• Anxiety33%
• Ischemic heart disease32%

Hospitals where Colby G. Simmons works

Medicare's Facility Affiliation Data lists Colby G. Simmons 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.

• University of Colorado Hospital AuthorityAurora, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060024

Practice locations

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

• 12605 E 16th Ave, Uchealth Anschutz Medical CampusAurora, CO 80045 (720) 848‑0000
• 13123 E 16th AveAurora, CO 80045 (720) 777‑1234
• 1635 Aurora CtAurora, CO 80045 (720) 848‑0000
• 1665 Aurora CtAurora, CO 80045 (720) 848‑0000
• 1675 Aurora CtAurora, CO 80045 (720) 848‑0000

Group practices

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

• University Physicians Incorporated3,215 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in Colorado →

Other anesthesiologists in Aurora

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

• Marcus F. Dobrow, MD
• Syed Mahmood, MD
• Syed A. Raza, MD
• Scott A. Vogel, DO
• Jaime L. Daly, MD
• Allen Castell, MD
• Patrick J. Guffey, MD
• Cody Dickson, MD

All anesthesiologists in Aurora →

Other clinicians in University Physicians Incorporated

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

• Mitchell W. Boehnke, MD
• Alexa Camarena-Michel, MD
• Sarah A. Gitomer, MD
• Rocio Perez Johnston, MD
• Elizabeth R. Tang, MD
• Jacinda M. Nicklas, MD

Clinician information

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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians