Quick answers
- Does Gabriel M. Siegel accept Medicare assignment?
- Yes. Medicare's clinician data says Gabriel M. Siegel 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.
- How many Medicare patients does Gabriel M. Siegel see?
- In 2024, CMS data shows 12 Original Medicare patients and 13 services for Gabriel M. Siegel. This counts Original Medicare only and measures volume, not quality.
- What is Gabriel M. Siegel's NPI number?
- 1891322327. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Gabriel M. Siegel, 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.
| Original Medicare patients | 12 |
|---|---|
| Services billed to Medicare | 13 |
| Different services or procedures | 3 |
| Participating Medicare provider | Yes |
| Average age of these patients | 67 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)11 services
Hospitals where Gabriel M. Siegel works
Medicare's Facility Affiliation Data lists Gabriel M. Siegel 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.
- Denver Health & Hospital AuthorityDenver, CO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 060011
- Southwest Medical CenterLiberal, KS · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 170068
- The Medical Center of Aurora & South HospitalAurora, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060100
- 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 Gabriel M. Siegel is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 12605 E 16th Ave, Uchealth Anschutz Medical CampusAurora, CO 80045 (720) 848‑0000
- 1501 S Potomac St, Medical Center of AuroraAurora, CO 80012 (303) 695‑2600
- 214 E 23rd StCheyenne, WY 82001 (307) 634‑2273
- 255 N 30th StLaramie, WY 82072 (307) 742‑2141
- 315 W 15th StLiberal, KS 67901 (620) 624‑1651
Group practices
Medicare enrollment lists Gabriel M. Siegel as a member of these groups (CMS data updated October 2, 2026).
- University Physicians Incorporated3,215 clinicians in the group
- Denver Health and Hospital Authority849 clinicians in the group
- CarePoint Emergency Medicine, PLLC161 clinicians in the group
- Innova Emergency Medical Associates PC69 clinicians in the group
- Summit Medical Group LLC40 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Aurora
Clinicians with the same Medicare primary specialty in Aurora, CO — not a recommendation.
Other clinicians in University Physicians Incorporated
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rush Medical College Of Rush University |
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891322327 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians