Keegan S. Mullins, MD

Medicare activity in 2024

Official CMS public-use data for Keegan S. Mullins, 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.

Most frequent services

1. Emergency department visit with high level of medical decision making (99285)207 services
2. Emergency department visit with moderate level of medical decision making (99284)196 services
3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)106 services
4. Critical care, first 30-74 minutes (99291)81 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%
• Arthritis55%
• Diabetes41%
• Anxiety37%
• Chronic kidney disease37%

Hospitals where Keegan S. Mullins works

Medicare's Facility Affiliation Data lists Keegan S. Mullins 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.

• Bon Secours-St Francis Xavier HospitalCharleston, SC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 420065
• Mount Pleasant HospitalMount Pleasant, SC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 420104
• Roper HospitalCharleston, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420087
• Roper St Francis Hospital-Berkeley IncSummerville, SC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 420110

Practice locations

Addresses where Keegan S. Mullins is enrolled with Medicare (CMS data updated October 2, 2026).

• 3500 N Hwy 17Mt Pleasant, SC 29466 (843) 606‑7000

Group practices

Medicare enrollment lists Keegan S. Mullins as a member of this group (CMS data updated October 2, 2026).

• Broad River Physicians Group, LLC71 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in South Carolina →

Other emergency medicine doctors in South Carolina

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

• Thomas P. Martin, MD
• Gregory Coots, DO
• Beverly Garrison-Stigall, MD
• Sandra B. Nichols, MD
• Steven D. Guyton, MD
• Christopher E. Sciarretta, MD
• Elizabeth Johnson, MD
• Kathryn W. Koval, MD

All emergency medicine doctors in South Carolina →

Other clinicians in Broad River Physicians Group, LLC

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

• David T. Cook, MD
• Andrew S. Mullin, MD
• Frank H. Barnes Ii, MD
• Wade A. Dehnkamp, MD
• Nicholas E. Lauerman, MD
• Lauren E. Burke

Clinician information

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