Internal Medicine Doctors in Ohio
Data updated monthly · Last refresh October 2026
5,259 Internal Medicine providers practice in Ohio, including 866 (16%) offering telehealth. The largest concentration is in Cleveland. 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.
5,259providers
866telehealth
Clevelandtop city
Internal Medicine by city in Ohio
Choose a city to see providers there.
Internal Medicine providers in Ohio
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. Alexandra Jordan, M.D.West Chester, OH · No drug or device payments recorded (2025) ·
(513) 298-7325 Dr. Anita Saini, MDWest Chester, OH · No drug or device payments recorded (2025) · Telehealth ·
(513) 475-7700 Dr. Arnold Drummond, MDWest Chester, OH · $1,330 in drug and device payments (2025) ·
(513) 777-8300 Dr. Chengxi Wang, MDWest Chester, OH · $27 in drug and device payments (2025) ·
(134) 758-2485 Dr. David Ellison, MDWest Chester, OH · No drug or device payments recorded (2025) ·
(937) 241-1830 Dr. Edward Drohan, MDWest Chester, OH · No drug or device payments recorded (2025) ·
(513) 777-8300 Dr. Kyle Kaufman, MDWest Chester, OH · No drug or device payments recorded (2025) ·
(513) 475-7425 Dr. Lekshmi Misra, M.D.West Chester, OH · No drug or device payments recorded (2025) ·
(513) 298-7325 Dr. Lester Castaneros, M.D.West Chester, OH · No drug or device payments recorded (2025) ·
(513) 558-5281 Dr. Madhu Chalasani, MDWest Chester, OH · No drug or device payments recorded (2025) ·
(513) 618-7430 Dr. Margaret Benjamin, MDWest Chester, OH · No drug or device payments recorded (2025) ·
(513) 298-7325 Dr. Mary Mccarty, M.D.West Chester, OH · No drug or device payments recorded (2025) ·
(513) 475-7425 Dr. Matthew Hardin, M.D.West Chester, OH · No drug or device payments recorded (2025) ·
(513) 584-7425 Dr. Michael Hendrixson, DOWest Chester, OH · No drug or device payments recorded (2025) ·
(513) 475-7700 Dr. Paula Lafranconi, MDWest Chester, OH · No drug or device payments recorded (2025) ·
(513) 246-7000 Dr. Peng Wang, D.O.West Chester, OH · No drug or device payments recorded (2025) ·
(513) 475-7700 Dr. Peter Marrocco, M.D.West Chester, OH · No drug or device payments recorded (2025) ·
(513) 777-8300 Dr. Richard Kallenberg, MDWest Chester, OH · $16 in drug and device payments (2025) ·
(513) 246-7000 Dr. Robert Wolterman, M.D.West Chester, OH · No drug or device payments recorded (2025) ·
(513) 475-7452 Dr. Ronald Smith, MDWest Chester, OH · $96 in drug and device payments (2025) ·
(513) 246-7000 Dr. Sarah Fedyk, M.D.West Chester, OH · $284 in drug and device payments (2025) ·
(513) 246-7000 Dr. Sergio Mezcua, MDWest Chester, OH · No drug or device payments recorded (2025) ·
(513) 475-7747 Dr. Sivani Pathmarajah, M.D.West Chester, OH · No drug or device payments recorded (2025) ·
(513) 618-7430 Dr. Victor Gasia Alfonzo, M.DWest Chester, OH · $14 in drug and device payments (2025) ·
(513) 246-7000 Dr. Wajiha Koomal, MDWest Chester, OH · $558 in drug and device payments (2025) ·
(513) 246-7000 Dr. Amy VandenbergWesterville, OH · No drug or device payments recorded (2025) ·
(380) 898-4000 Dr. Anindya Sen, M.D.Westerville, OH · $270 in drug and device payments (2025) · Telehealth ·
(614) 818-9550 Dr. Ann Koval, M.D.Westerville, OH · $82 in drug and device payments (2025) ·
(614) 901-2273 Dr. Barbara Laroque, M.D.Westerville, OH · No drug or device payments recorded (2025) ·
(614) 293-5123 Dr. Bryan Sauls, M.D.Westerville, OH · $17 in drug and device payments (2025) ·
(614) 508-2672 Dr. Chelsey Kimble, DOWesterville, OH · No drug or device payments recorded (2025) ·
(614) 882-2521 Dr. David Mcclure, M.D.Westerville, OH · No drug or device payments recorded (2025) · Telehealth ·
(614) 533-3475 Dr. Denise Blocker, MDWesterville, OH · No drug or device payments recorded (2025) ·
(614) 865-3172 Dr. Douglas Fosselman, M.D.Westerville, OH · $250 in drug and device payments (2025) ·
(614) 882-0708 Dr. Duncan Campbell, MDWesterville, OH · No drug or device payments recorded (2025) · Telehealth ·
(614) 814-8490 Dr. Emal Sherzai, M.D.Westerville, OH · No drug or device payments recorded (2025) ·
(614) 235-2326 Dr. Eric Hard, MDWesterville, OH · No drug or device payments recorded (2025) ·
(614) 856-3172 Dr. Hilary Vaughn, MDWesterville, OH · No drug or device payments recorded (2025) ·
(614) 898-4000 Dr. Ian Wilson, MDWesterville, OH · No drug or device payments recorded (2025) ·
(614) 891-8080 Dr. Jacob Lafleur, MDWesterville, OH · No drug or device payments recorded (2025) ·
(614) 293-5123 Dr. Jacqueline Amico, M.D.Westerville, OH · No drug or device payments recorded (2025) ·
(614) 882-2521 Dr. James Cacchillo, D.O.Westerville, OH · No drug or device payments recorded (2025) ·
(614) 353-0322 Dr. James Dorado, M.D.Westerville, OH · $2,066 in drug and device payments (2025) · Telehealth ·
(614) 818-9550 Dr. Jenna Hatab, MDWesterville, OH · No drug or device payments recorded (2025) ·
(614) 293-5123 Dr. Jennifer Haines, M.D.Westerville, OH · No drug or device payments recorded (2025) ·
(614) 882-2521 Dr. John Krupko, MDWesterville, OH · No drug or device payments recorded (2025) ·
(614) 891-8080 Dr. John Wulf, M.D.Westerville, OH · $16 in drug and device payments (2025) ·
(614) 326-5276 Dr. Jonathan Mcfadden, DOWesterville, OH · $2,752 in drug and device payments (2025) · Telehealth ·
(614) 891-8080 Dr. Jonathan Thorne, M.D.Westerville, OH · No drug or device payments recorded (2025) ·
(614) 818-9550 Dr. Joseph Joseph, M.D.Westerville, OH · No drug or device payments recorded (2025) ·
(614) 353-0322 Conditions Internal Medicine providers in Ohio 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.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Ohio?There are 5,259 Internal Medicine providers with active NPI records practicing in Ohio, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in Ohio offer telehealth?Yes. 866 of the 5,259 Internal Medicine providers in Ohio (about 16%) report offering telehealth services in CMS data.
Which cities in Ohio have the most Internal Medicine providers?Cleveland (892), Columbus (581), Cincinnati (563) have the highest concentration of Internal Medicine providers in Ohio.
How many Internal Medicine providers in Ohio received drug or device company payments?1,908 of 5,259 Internal Medicine providers in Ohio (36%) 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 Ohio treat?Internal Medicine providers 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 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 Internal Medicine Doctors in Ohio work in independent practices or large health systems?Among 3,034 Internal Medicine Doctors in Ohio enrolled in Medicare, 12% bill through a solo or small practice with fewer than 10 clinicians, 14% through a mid-size group of 10 to 99, and 74% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in Ohio work at?According to CMS facility affiliation records, the Ohio hospitals where the most Internal Medicine Doctors hold privileges are Cleveland Clinic in Cleveland; Riverside Methodist Hospital in Columbus; Ohio State University State Health System in Columbus.
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