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Emergency Medicine

Alexa R. Peterson, DO

Works at hospitals in Clarksville, TN · Franklin, TN · Tennessee

Summary

Dr. Alexa R. Peterson, DO is an emergency medicine doctor at 1325, Suite 76, Clarksville, TN 37043. Phone: (931) 358-6600. Accepts Medicare assignment. In 2024, Alexa R. Peterson had 141 Original Medicare patients and 151 services. NPI 1871171975. 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 Alexa R. Peterson, 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 Alexa R. Peterson accept Medicare assignment?
Yes. Medicare's clinician data says Alexa R. Peterson 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 Alexa R. Peterson see?
In 2024, CMS data shows 141 Original Medicare patients and 151 services for Alexa R. Peterson. This counts Original Medicare only and measures volume, not quality.
What is Alexa R. Peterson's NPI number?
1871171975. 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 Alexa R. Peterson, 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 patients141
Services billed to Medicare151
Different services or procedures10
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)114 services
  2. Emergency department visit with moderate level of medical decision making (99284)22 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 cholesterol75%
  • Arthritis60%
  • Ischemic heart disease47%
  • Diabetes44%
  • COPD43%

Hospitals where Alexa R. Peterson works

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

Group practices

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

  • Southeastern Emergency Physicians LLC784 clinicians in the group
  • Emergi-Trust17 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Tennessee →

Other emergency medicine doctors in Clarksville

Clinicians with the same Medicare primary specialty in Clarksville, TN — not a recommendation.

All emergency medicine doctors in Clarksville →

Other clinicians in Southeastern Emergency Physicians LLC

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

Clinician information

CredentialDO
Graduation year2021 (5 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871171975
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