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Internal Medicine

Brendan J. Groarke, DO

Works at hospitals in Athens, GA · Covington, GA · Georgia

Summary

Dr. Brendan J. Groarke, DO is an internal medicine doctor at 1199 Prince Ave, Athens, GA 30606. Phone: (706) 475-5076. Accepts Medicare assignment. In 2024, Brendan J. Groarke had 378 Original Medicare patients and 882 services. NPI 1316041783. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1199 Prince Ave, Athens, GA 30606 · Directions
  • Phone: (706) 475‑5076
  • Medicare: Accepts Medicare assignment
  • Hospitals: Piedmont Athens Regional Medical Center, Piedmont Newton Hospital
  • Group practice: Piedmont Athens Hospitalist Physicians LLC
  • Medical school: New York College Of Osteo Medicine Of New York Institute Of Technology · graduated 1996 (30 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Brendan J. Groarke, 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 Brendan J. Groarke accept Medicare assignment?
Yes. Medicare's clinician data says Brendan J. Groarke 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 Brendan J. Groarke see?
In 2024, CMS data shows 378 Original Medicare patients and 882 services for Brendan J. Groarke. This counts Original Medicare only and measures volume, not quality.
What is Brendan J. Groarke's NPI number?
1316041783. 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 Brendan J. Groarke, 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 patients378
Services billed to Medicare882
Different services or procedures9
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)302 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)291 services
  3. Hospital discharge day management, more than 30 minutes (99239)168 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)91 services
  5. Hospital discharge day management, 30 minutes or less (99238)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%
  • Arthritis59%
  • Ischemic heart disease59%
  • Heart failure57%
  • Chronic kidney disease54%

Hospitals where Brendan J. Groarke works

Medicare's Facility Affiliation Data lists Brendan J. Groarke 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 Brendan J. Groarke is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Piedmont Athens Hospitalist Physicians LLC176 clinicians in the group

Specialties

Find other Internal Medicine doctors in Georgia →

Other internal medicine doctors in Athens

Clinicians with the same Medicare primary specialty in Athens, GA — not a recommendation.

All internal medicine doctors in Athens →

Other clinicians in Piedmont Athens Hospitalist Physicians LLC

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

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year1996 (30 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1316041783
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