Geriatric Medicine Doctors (Internal Medicine) in South Carolina
Data updated monthly · Last refresh October 2026
38 Geriatric Medicine (Internal Medicine) providers practice in South Carolina, including 5 (13%) offering telehealth. The largest concentration is in Columbia. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
38providers
5telehealth
Columbiatop city
Geriatric Medicine (Internal Medicine) by city in South Carolina
Choose a city to see providers there.
Where Geriatric Medicine Doctors (Internal Medicine) in South Carolina practice
From CMS Medicare enrollment records covering 19 of the 38 providers listed here (50%). Providers who do not bill Medicare are not included in these figures.
11%solo or small practice (under 10 clinicians)
5%mid-size group (10 to 99)
84%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Geriatric Medicine Doctors (Internal Medicine) | All clinicians in group | Main city |
| Prisma Health University Medical Group | 4 | 2,467 | Greenville |
| Prisma Health Medical Group-Midlands | 3 | 1,040 | Columbia |
| University Medical Associates of the Medical University of South Carol | 2 | 1,634 | Charleston |
| Mcleod Regional Medical Center of the Pee Dee Inc. | 2 | 401 | Florence |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Geriatric Medicine Doctors (Internal Medicine) affiliated |
| Prisma Health Greenville Memorial Hospital | Greenville | Nonprofit | 4 of 5 | 4 |
| Prisma Health Richland Hospital | Columbia | Nonprofit | 3 of 5 | 4 |
| Prisma Health Baptist | Columbia | Nonprofit | 4 of 5 | 4 |
| Prisma Health Baptist Parkridge | Columbia | Nonprofit | 4 of 5 | 3 |
| Anmed Health | Anderson | Nonprofit | 4 of 5 | 3 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Geriatric Medicine (Internal Medicine) providers in South Carolina
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Raymond Hesse, MD INT MED & GERIAiken, SC · No drug or device payments recorded (2025) ·
(803) 648-7888 Dr. Ingrid Isakov Kyriakakis, MDAnderson, SC · $230 in drug and device payments (2025) ·
(864) 716-6008 Dr. Rajiv Joglekar, MDAnderson, SC · No drug or device payments recorded (2025) ·
(864) 512-1475 Dr. Vipin Verma, M.D.Anderson, SC · $15 in drug and device payments (2025) ·
(864) 512-2828 Dr. Dolores Tetreault, MDCharleston, SC · No drug or device payments recorded (2025) ·
(843) 769-8215 Dr. Hans Hinson, MDCharleston, SC · No drug or device payments recorded (2025) ·
(843) 577-5011 Dr. John Franklin, MDCharleston, SC · No drug or device payments recorded (2025) ·
(843) 789-7057 Dr. Joshua Mixson, M.D.Charleston, SC · No drug or device payments recorded (2025) · Telehealth ·
(843) 792-1414 Dr. Kelly Graves, M.D.Charleston, SC · No drug or device payments recorded (2025) · Telehealth ·
(843) 876-0888 Dr. Mark Newbrough, M.D.Charleston, SC · No drug or device payments recorded (2025) ·
(843) 792-1414 Dr. Peter Maung, MD, FACP, CMDCharleston, SC · No drug or device payments recorded (2025) ·
(843) 343-3188 Dr. Sarah Subhi, DOCharleston, SC · No drug or device payments recorded (2025) ·
(843) 792-7365 Dr. Bruce Easterling, M.D.Columbia, SC · No drug or device payments recorded (2025) ·
(803) 776-4000 Dr. Craig Maylath, M.D.Columbia, SC · $49 in drug and device payments (2025) ·
(803) 434-1210 Dr. Donna Ray, M.D.Columbia, SC · No drug or device payments recorded (2025) ·
(803) 540-1000 Dr. G Eleazer, M.D.Columbia, SC · No drug or device payments recorded (2025) ·
(803) 540-1000 Dr. John Egbert, MD PHDColumbia, SC · No drug or device payments recorded (2025) ·
(803) 434-3770 Dr. John Kleckley, M.D.Columbia, SC · $385 in drug and device payments (2025) ·
(803) 799-1922 Dr. Joseph Thompson, M.D.Columbia, SC · No drug or device payments recorded (2025) ·
(803) 776-4000 Dr. Malissa Wilson, MDColumbia, SC · No drug or device payments recorded (2025) ·
(803) 931-8166 Dr. Margaret Matthews, MDColumbia, SC · No drug or device payments recorded (2025) · Telehealth ·
(803) 434-1210 Dr. Rachelle Gajadhar, M.D.Columbia, SC · $121 in drug and device payments (2025) · Telehealth ·
(803) 434-1210 Dr. Victor Hirth, MDColumbia, SC · No drug or device payments recorded (2025) ·
(803) 434-1210 Dr. Harry Feliciano, M.D.Elgin, SC · No drug or device payments recorded (2025) ·
(803) 730-1061 Dr. Aanchal Sawhney, MBBSFlorence, SC · No drug or device payments recorded (2025) ·
(843) 674-5000 Dr. Simbiat Olayiwola, MDFlorence, SC · No drug or device payments recorded (2025) ·
(843) 777-7035 Dr. Valery Batimba Bessi, MDFlorence, SC · No drug or device payments recorded (2025) ·
(843) 777-7035 Dr. Simon Scalia, MDGoose Creek, SC · No drug or device payments recorded (2025) ·
(843) 577-5011 Dr. James Davis, MDGreenville, SC · No drug or device payments recorded (2025) ·
(864) 454-8120 Dr. Lester Salwen, M.D.Greenville, SC · No drug or device payments recorded (2025) ·
(864) 455-2888 Dr. Michelle Crouse, M.D.Greenville, SC · $40 in drug and device payments (2025) ·
(864) 454-8120 Dr. Susan Kring, MDGreenville, SC · No drug or device payments recorded (2025) ·
(864) 454-8120 Dr. Lynnette Guirao, M.D.Greer, SC · $48 in drug and device payments (2025) · Telehealth ·
(864) 797-9550 Dr. Keith Guest, M.D.Lexington, SC · No drug or device payments recorded (2025) ·
(803) 699-9073 Dr. Mark Overton, M.D.Little River, SC · No drug or device payments recorded (2025) ·
(843) 281-2778 Dr. Donald Courtney, M.D.Myrtle Beach, SC · No drug or device payments recorded (2025) ·
(843) 236-1950 Dr. Patrick Carey, M.D.Simpsonville, SC · No drug or device payments recorded (2025) ·
(864) 688-1700 Dr. Gail Rearden, MDSpartanburg, SC · $40 in drug and device payments (2025) ·
(864) 774-7001 Common questions
How many Geriatric Medicine (Internal Medicine) providers are in South Carolina?There are 38 Geriatric Medicine (Internal Medicine) providers with active NPI records practicing in South Carolina, according to federal NPPES data refreshed monthly.
Do Geriatric Medicine (Internal Medicine) providers in South Carolina offer telehealth?Yes. 5 of the 38 Geriatric Medicine (Internal Medicine) providers in South Carolina (about 13%) report offering telehealth services in CMS data.
Which cities in South Carolina have the most Geriatric Medicine (Internal Medicine) providers?Columbia (11), Charleston (8), Greenville (4) have the highest concentration of Geriatric Medicine (Internal Medicine) providers in South Carolina.
How many Geriatric Medicine (Internal Medicine) providers in South Carolina received drug or device company payments?8 of 38 Geriatric Medicine (Internal Medicine) providers in South Carolina (21%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Geriatric Medicine Doctors (Internal Medicine) in South Carolina work in independent practices or large health systems?Among 19 Geriatric Medicine Doctors (Internal Medicine) in South Carolina enrolled in Medicare, 11% bill through a solo or small practice with fewer than 10 clinicians, 5% through a mid-size group of 10 to 99, and 84% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Geriatric Medicine Doctors (Internal Medicine) in South Carolina work at?According to CMS facility affiliation records, the South Carolina hospitals where the most Geriatric Medicine Doctors (Internal Medicine) hold privileges are Prisma Health Greenville Memorial Hospital in Greenville; Prisma Health Richland Hospital in Columbia; Prisma Health Baptist in Columbia.
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