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

Family Practice

Jennifer J. Speirs, DO

Sees patients in Centennial, CO · Colorado

Summary

Dr. Jennifer J. Speirs, DO is a family doctor at 5555 E Arapahoe Rd, Kaiser Permanente Arapahoe Medical, Centennial, CO 80122. Phone: (303) 338-4545. Accepts Medicare assignment. In 2024, Jennifer J. Speirs had 19 Original Medicare patients and 54 services. NPI 1992324065. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 5555 E Arapahoe Rd, Kaiser Permanente Arapahoe Medical, Centennial, CO 80122 · Directions
  • Phone: (303) 338‑4545
  • Medicare: Accepts Medicare assignment
  • Group practice: Colorado Permanente Medical Group PC
  • Medical school: Rocky Vista University College Of Osteopathic Med · graduated 2020 (6 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer J. Speirs, 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 Jennifer J. Speirs accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer J. Speirs 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 Jennifer J. Speirs see?
In 2024, CMS data shows 19 Original Medicare patients and 54 services for Jennifer J. Speirs. This counts Original Medicare only and measures volume, not quality.
What is Jennifer J. Speirs's NPI number?
1992324065. 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 Jennifer J. Speirs, 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 patients19
Services billed to Medicare54
Different services or procedures13
Participating Medicare providerYes
Average age of these patients67

Practice locations

Addresses where Jennifer J. Speirs is enrolled with Medicare (CMS data updated October 2, 2026).

  • 5555 E Arapahoe Rd, Kaiser Permanente Arapahoe MedicalCentennial, CO 80122 (303) 338‑4545

Group practices

Medicare enrollment lists Jennifer J. Speirs as a member of this group (CMS data updated October 2, 2026).

  • Colorado Permanente Medical Group PC1,327 clinicians in the group

Specialties

Find other Family Practice doctors in Colorado →

Other family doctors in Centennial

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

All family doctors in Centennial →

Other clinicians in Colorado Permanente Medical Group PC

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

Clinician information

CredentialDO
Medical schoolRocky Vista University College Of Osteopathic Med
Graduation year2020 (6 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992324065
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians