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Emergency Medicine

Daren W. Cox, DO

Works at hospitals in Oak Ridge, TN · Tennessee

Summary

Dr. Daren W. Cox, DO is an emergency medicine doctor at 990 Oak Ridge Tpke, Oak Ridge, TN 37830. Phone: (865) 481-1000. Accepts Medicare assignment. In 2024, Daren W. Cox had 353 Original Medicare patients and 412 services. NPI 1427391085. 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.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 990 Oak Ridge Tpke, Oak Ridge, TN 37830 · Directions
  • Phone: (865) 481‑1000
  • Medicare: Accepts Medicare assignment
  • Hospital: Methodist Medical Center of Oak Ridge
  • Group practice: Southeastern Emergency Physicians LLC
  • Medical school: Lincoln Memorial University Medical Department · graduated 2013 (13 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Daren W. Cox, 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 Daren W. Cox accept Medicare assignment?
Yes. Medicare's clinician data says Daren W. Cox 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 Daren W. Cox see?
In 2024, CMS data shows 353 Original Medicare patients and 412 services for Daren W. Cox. This counts Original Medicare only and measures volume, not quality.
What is Daren W. Cox's NPI number?
1427391085. 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 Daren W. Cox, 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 patients353
Services billed to Medicare412
Different services or procedures19
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)253 services
  2. Emergency department visit with moderate level of medical decision making (99284)80 services
  3. Emergency department visit with low level of medical decision making (99283)28 services
  4. Critical care, first 30-74 minutes (99291)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 pressure75%
  • High cholesterol75%
  • Arthritis60%
  • Depression45%
  • Diabetes42%
  • Anxiety41%

Hospitals where Daren W. Cox works

Medicare's Facility Affiliation Data lists Daren W. Cox 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 Daren W. Cox is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Daren W. Cox as a member of this group (CMS data updated October 2, 2026).

  • Southeastern Emergency Physicians LLC784 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Tennessee →

Other emergency medicine doctors in Tennessee

Clinicians with the same Medicare primary specialty in Tennessee — not a recommendation.

All emergency medicine doctors in Tennessee →

Other clinicians in Southeastern Emergency Physicians LLC

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

Clinician information

CredentialDO
Medical schoolLincoln Memorial University Medical Department
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427391085
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