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Home/South Carolina/COLUMBIA/Internal Medicine Doctors
LOCAL SPECIALTY PROTOCOL 2026

Internal Medicine Doctors
IN COLUMBIA.

Find and book verified Internal Medicine specialists in COLUMBIA, SC. Access NPI credentials sourced from federal records and virtual care availability.

SPECIALISTS

Active internal medicine doctors in COLUMBIA jurisdiction.

50 ENTRIES FOUND
NPI: 1992921480
VIRTUAL ACTIVE

Ryan Macnevin, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
University of Maryland School of Medicine (2005)
19+ Years Exp.
ACCESS PROFILE
NPI: 1962480889
VIRTUAL ACTIVE

Mark James Mayson, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
Medical College of Georgia at Augusta University (1989)
20+ Years Exp.
ACCESS PROFILE
NPI: 1962448712
VIRTUAL ACTIVE

Rodney Vaughn Harrison, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
University of South Carolina School of Medicine (1991)
20+ Years Exp.
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NPI: 1932375631
VIRTUAL ACTIVE

Marcono Raymond Hines, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
Duke University School of Medicine (2012)
18+ Years Exp.
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NPI: 1881687440
VIRTUAL ACTIVE

Elizabeth Alison Lebel, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
Perelman School of Medicine at the University of Pennsylvania (1993)
21+ Years Exp.
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NPI: 1871605048
VIRTUAL ACTIVE

Derek R Thomas, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
HOWARD UNIVERSITY COLLEGE OF MEDICINE (1991)
20+ Years Exp.
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NPI: 1861526790
VIRTUAL ACTIVE

Casey M Mcmillan, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
Medical College of Georgia at Augusta University (2004)
19+ Years Exp.
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NPI: 1851500821
VIRTUAL ACTIVE

Cassandra Patterson, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OFFICIAL REGISTRY DATA
19+ Years Exp.
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NPI: 1831553502
VIRTUAL ACTIVE

Xinlu Liu, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
TOLEDO MEDICAL COLLEGE (2016)
10+ Years Exp.
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NPI: 1811292055
VIRTUAL ACTIVE

Deewan Deewan, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OFFICIAL REGISTRY DATA
15+ Years Exp.
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NPI: 1811061062
VIRTUAL ACTIVE

Veronica Ortiz, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OFFICIAL REGISTRY DATA
20+ Years Exp.
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NPI: 1801843529
VIRTUAL ACTIVE

Dana Mairi Nairn, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
University of South Carolina School of Medicine (1998)
20+ Years Exp.
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NPI: 1770644478
VIRTUAL ACTIVE

David S. Sachar, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
UNIFORMED SERVICES UHS FE HEBERT SCHOOL OF MED (1997)
20+ Years Exp.
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NPI: 1770555872
VIRTUAL ACTIVE

Arumugam Thanumalaya Perumal, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OFFICIAL REGISTRY DATA
20+ Years Exp.
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NPI: 1770539389
VIRTUAL ACTIVE

Moses E. Udoh, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OFFICIAL REGISTRY DATA
20+ Years Exp.
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NPI: 1740644376
VIRTUAL ACTIVE

Caroline Stokes Osborne, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
Medical University of South Carolina College of Medicine (2016)
10+ Years Exp.
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NPI: 1720509052
VIRTUAL ACTIVE

Susan Renee Ivey, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
WAKE FOREST UNIVERSITY SCHOOL OF MEDICINE (2017)
9+ Years Exp.
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NPI: 1720034879
VIRTUAL ACTIVE

Rachelle Nicole Gajadhar, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
University of Maryland School of Medicine (1997)
20+ Years Exp.
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NPI: 1689916157
VIRTUAL ACTIVE

James Oware Ampadu, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
University of Illinois College of Medicine (2013)
13+ Years Exp.
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NPI: 1679599237
VIRTUAL ACTIVE

Uday Doppalapudi, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OFFICIAL REGISTRY DATA
20+ Years Exp.
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NPI: 1639465727
VIRTUAL ACTIVE

Meredith Ashley Eckles Donley, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OFFICIAL REGISTRY DATA
15+ Years Exp.
ACCESS PROFILE
NPI: 1639337835
VIRTUAL ACTIVE

Muhammad Amir Rafiq, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1639326283
VIRTUAL ACTIVE

Meghan L Businaro, D.O.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
MIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED (2006)
18+ Years Exp.
ACCESS PROFILE
NPI: 1629235700
VIRTUAL ACTIVE

Abdul Basit Usmani, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1629098918
VIRTUAL ACTIVE

Kelle Danielle Bolden, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
University of Virginia School of Medicine (2006)
20+ Years Exp.
ACCESS PROFILE
NPI: 1588784250
VIRTUAL ACTIVE

Michael Chance Hammer, DO

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OHIO UNIVERSITY, COLLEGE OF OSTEOPATHIC MEDICINE (2007)
19+ Years Exp.
ACCESS PROFILE
NPI: 1588750103
VIRTUAL ACTIVE

Cynthia L Matthews-Betts, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
HOWARD UNIVERSITY COLLEGE OF MEDICINE (1985)
20+ Years Exp.
ACCESS PROFILE
NPI: 1588042725
VIRTUAL ACTIVE

Andy Iriza, DO

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
Philadelphia College of Osteopathic Medicine (2015)
11+ Years Exp.
ACCESS PROFILE
NPI: 1558411751
VIRTUAL ACTIVE

Laura Bogan Herpel, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
University of South Carolina School of Medicine (1999)
19+ Years Exp.
ACCESS PROFILE
NPI: 1538347661
VIRTUAL ACTIVE

Richard K Bogan, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
Medical University of South Carolina College of Medicine (1970)
18+ Years Exp.
ACCESS PROFILE
NPI: 1508216490
VIRTUAL ACTIVE

Caleb Richards, D.O.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OFFICIAL REGISTRY DATA
10+ Years Exp.
ACCESS PROFILE
NPI: 1497275895
VIRTUAL ACTIVE

MATHEW PAPAKYRIKOS MAZZOLA, DO

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OTHER (2017)
9+ Years Exp.
ACCESS PROFILE
NPI: 1487850780
VIRTUAL ACTIVE

Patrick Joseph Mccann, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
SOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE (2006)
19+ Years Exp.
ACCESS PROFILE
NPI: 1477591865
VIRTUAL ACTIVE

David Blalock, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
Ohio State University College of Medicine (1991)
20+ Years Exp.
ACCESS PROFILE
NPI: 1437362456
VIRTUAL ACTIVE

Timothy Idiaghe

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1417995259
VIRTUAL ACTIVE

Sultan Mahmud Siddique, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
NYU Grossman School of Medicine (1997)
20+ Years Exp.
ACCESS PROFILE
NPI: 1407855182
VIRTUAL ACTIVE

Jennifer Anne Feldman, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1366530735
VIRTUAL ACTIVE

DEIDRE L TOOMER-CLOWNEY, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
UNIVERSITY OF KENTUCKY COLLEGE OF MEDICINE (1987)
20+ Years Exp.
ACCESS PROFILE
NPI: 1346387388
VIRTUAL ACTIVE

Stephen Osaguona, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1346258746
VIRTUAL ACTIVE

Carlton Gregory Cauthen, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
University of South Carolina School of Medicine (2002)
20+ Years Exp.
ACCESS PROFILE
NPI: 1336434182
VIRTUAL ACTIVE

Brooke Shavon Mcadams, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
University of South Carolina School of Medicine (2011)
15+ Years Exp.
ACCESS PROFILE
NPI: 1336373406
VIRTUAL ACTIVE

Addie Spier, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OFFICIAL REGISTRY DATA
17+ Years Exp.
ACCESS PROFILE
NPI: 1336364264
VIRTUAL ACTIVE

Matthew G Cantrell, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
Ohio State University College of Medicine (2005)
19+ Years Exp.
ACCESS PROFILE
NPI: 1336198274
VIRTUAL ACTIVE

Benedict R Studnicka, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
University of South Carolina School of Medicine (1993)
20+ Years Exp.
ACCESS PROFILE
NPI: 1336105535
VIRTUAL ACTIVE

MULUGETA TAREKEGNE, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OTHER (1985)
20+ Years Exp.
ACCESS PROFILE
NPI: 1326486465
VIRTUAL ACTIVE

Basem Mourad Labib Mishriky, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
OFFICIAL REGISTRY DATA
13+ Years Exp.
ACCESS PROFILE
NPI: 1255562492
VIRTUAL ACTIVE

Farzin Rashti, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
HOWARD UNIVERSITY COLLEGE OF MEDICINE (2008)
17+ Years Exp.
ACCESS PROFILE
NPI: 1255509261
VIRTUAL ACTIVE

David Gearding, DO

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
UNIVERSITY OF PIKEVILLE, KENTUCKY COLLEGE OF OSTEOPATHIC MED (2007)
18+ Years Exp.
ACCESS PROFILE
NPI: 1255326096
VIRTUAL ACTIVE

James Gasque, MD

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
University of Florida College of Medicine (1988)
21+ Years Exp.
ACCESS PROFILE
NPI: 1255308219
VIRTUAL ACTIVE

David Joseph Amrol, M.D.

Internal Medicine

NPI DATA 2026
COLUMBIA, SC
University of South Carolina School of Medicine (1998)
20+ Years Exp.
ACCESS PROFILE

Local Discovery Protocol

Navigating healthcare in COLUMBIA, SC requires finding the right expert. A highly qualified internal medicine is crucial for proper diagnosis and long-term care management.

  • NPI Credentials: Active NPI status and valid SC state licensing sourced from federal records.
  • Virtual Options: Encrypted telehealth consultations available for remote triage.
All Providers in South CarolinaNationwide Internal Medicines