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Internal Medicine in Columbia, Tennessee

Data updated monthly · Last refresh September 2026

40 Internal Medicine providers practice in Columbia, and 30% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Columbia

Listed alphabetically. 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. Alexander Scavo
Columbia, TN · No drug or device payments recorded (2025) · (931) 380-4072
Dr. Andrew Nielsen, M.D.
Columbia, TN · No drug or device payments recorded (2025) · (931) 380-0075
Dr. Ankur Vaidya, MD
Columbia, TN · No drug or device payments recorded (2025) · (931) 381-1111
Dr. Anuradha Mann, M.D.
Columbia, TN · $1,118 in drug and device payments (2025) · Telehealth · (931) 388-9706
Dr. Ben Gardner, M.D.
Columbia, TN · No drug or device payments recorded (2025) · (931) 380-0075
Dr. Bethany Summerford, MD
Columbia, TN · No drug or device payments recorded (2025) · (931) 381-1111
Dr. Brandon Gentry, MD
Columbia, TN · No drug or device payments recorded (2025) · Telehealth · (931) 380-4072
Dr. Candice Olechowski, M.D.
Columbia, TN · No drug or device payments recorded (2025) · (931) 380-4072
Dr. Christian Petrauskis, M.D.
Columbia, TN · No drug or device payments recorded (2025) · (931) 540-4255
Dr. Christopher Edwards, MD
Columbia, TN · $41 in drug and device payments (2025) · (931) 381-1111
Dr. Dominic Papa, MD
Columbia, TN · $40 in drug and device payments (2025) · (931) 380-4032
Dr. Gaylon Harris, M.D.
Columbia, TN · $1,217 in drug and device payments (2025) · Telehealth · (931) 388-9706
Dr. Gibran Naddy, M.D.
Columbia, TN · $1,459 in drug and device payments (2025) · Telehealth · (931) 492-6128
Dr. Grace Wu, MD
Columbia, TN · No drug or device payments recorded (2025) · Telehealth · (931) 380-4072
Dr. Hrishi Kanth, M.D.
Columbia, TN · $8 in drug and device payments (2025) · (931) 388-9706
Dr. Htet Htet Kyaw
Columbia, TN · No drug or device payments recorded (2025) · (931) 381-1111
Dr. Jacob Daniel, DO
Columbia, TN · No drug or device payments recorded (2025) · (931) 380-4072
Dr. Jennifer Krauland, DO
Columbia, TN · No drug or device payments recorded (2025) · (931) 380-4072
Dr. Joanna Shepherd, M.D.
Columbia, TN · No drug or device payments recorded (2025) · (931) 380-4072
Dr. John Simmons, M.D.
Columbia, TN · No drug or device payments recorded (2025) · (931) 388-9706
Dr. Joshua Bates, MD
Columbia, TN · No drug or device payments recorded (2025) · (931) 380-4082
Dr. Kelley Jefferson, MD
Columbia, TN · No drug or device payments recorded (2025) · (931) 359-4506
Dr. Kelly Foltermann, M.D.
Columbia, TN · No drug or device payments recorded (2025) · (931) 380-4072
Dr. Lauren Miller, D.O.
Columbia, TN · $608 in drug and device payments (2025) · Telehealth · (931) 328-0196
Dr. Manisha Raj, M.D.
Columbia, TN · $99 in drug and device payments (2025) · (931) 380-4072
Dr. Mark Seago, MD
Columbia, TN · No drug or device payments recorded (2025) · (931) 380-4072
Dr. Martin Chaney, MD
Columbia, TN · $24 in drug and device payments (2025) · (931) 380-4072
Dr. Olivia Granillo Johnson, M.D.
Columbia, TN · No drug or device payments recorded (2025) · (931) 380-4072
Dr. Paul Perryman, MD
Columbia, TN · No drug or device payments recorded (2025) · (931) 381-5555
Dr. Pinky Chugani, D.O
Columbia, TN · No drug or device payments recorded (2025) · (931) 540-4140
Dr. Rafael Favela, M.D.
Columbia, TN · No drug or device payments recorded (2025) · (931) 381-1111
Dr. Richard Fremont, MD
Columbia, TN · $83 in drug and device payments (2025) · (931) 490-7775
Dr. Robert Messersmith, MD
Columbia, TN · No drug or device payments recorded (2025) · (931) 381-1111
Dr. Sarah Essary, MD
Columbia, TN · No drug or device payments recorded (2025) · (931) 381-1111
Dr. Shawn Price
Columbia, TN · No drug or device payments recorded (2025) · (931) 380-4072
Dr. Stephen Simmons, M.D.
Columbia, TN · No drug or device payments recorded (2025) · (931) 381-4932
Dr. Steven Smith, MD
Columbia, TN · No drug or device payments recorded (2025) · (931) 380-4072
Dr. Thang Phan, MD
Columbia, TN · $274 in drug and device payments (2025) · (931) 380-4072
Dr. Thu Nguyen, M.D.
Columbia, TN · No drug or device payments recorded (2025) · (931) 381-1111
Dr. William Robinson, M.D.
Columbia, TN · $25 in drug and device payments (2025) · (931) 388-9706

Conditions Internal Medicine providers in Columbia, Tennessee commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Internal Medicine providers are in Columbia, Tennessee?

There are 40 Internal Medicine providers with active NPI records practicing in Columbia, according to federal NPPES data refreshed monthly.

How many Internal Medicine providers in Columbia received drug or device company payments?

12 of 40 (30%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Internal Medicine providers in Columbia treat?

Internal Medicine providers in Columbia commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider records 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.

All specialties in Columbia Internal Medicine across Tennessee

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.