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

Emergency Medicine

Jason R. Sell, MD

Works at hospitals in Lakewood, CO · Westminster, CO · Colorado

Summary

Dr. Jason R. Sell, MD is an emergency medicine doctor at 2551 W 84th Ave, Westminster, CO 80031. Phone: (303) 426-2121. Accepts Medicare assignment. In 2024, Jason R. Sell had 307 Original Medicare patients and 441 services. NPI 1245403823. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Jason R. Sell, 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 Jason R. Sell accept Medicare assignment?
Yes. Medicare's clinician data says Jason R. Sell 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 Jason R. Sell see?
In 2024, CMS data shows 307 Original Medicare patients and 441 services for Jason R. Sell. This counts Original Medicare only and measures volume, not quality.
What is Jason R. Sell's NPI number?
1245403823. 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 Jason R. Sell, 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 patients307
Services billed to Medicare441
Different services or procedures24
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)166 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)113 services
  3. Emergency department visit with moderate level of medical decision making (99284)70 services
  4. Critical care, first 30-74 minutes (99291)57 services
  5. Emergency department visit with low level of medical decision making (99283)15 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 pressure75%
  • High cholesterol68%
  • Arthritis59%
  • Depression38%
  • Chronic kidney disease38%
  • Ischemic heart disease36%

Hospitals where Jason R. Sell works

Medicare's Facility Affiliation Data lists Jason R. Sell 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 Jason R. Sell is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jason R. Sell as a member of these groups (CMS data updated October 2, 2026).

  • Usacs of Colorado Inc59 clinicians in the group
  • Premier Emergency Services Inc12 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Colorado →

Other emergency medicine doctors in Westminster

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

All emergency medicine doctors in Westminster →

Other clinicians in Usacs of Colorado Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year2006 (20 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245403823
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. 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