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Internal Medicine in Lancaster, Ohio

Data updated monthly · Last refresh September 2026

36 Internal Medicine providers practice in Lancaster, and 25% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Lancaster

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. Amanda Slater, D.O.
Lancaster, OH · No drug or device payments recorded (2025) · (740) 687-8651
Dr. Anastasia Bessas, D.O.
Lancaster, OH · No drug or device payments recorded (2025) · Telehealth · (740) 687-8397
Dr. Andrea Quach, DO
Lancaster, OH · $219 in drug and device payments (2025) · (740) 687-8397
Dr. Anokh Kondru, D.O.
Lancaster, OH · No drug or device payments recorded (2025) · (740) 243-6870
Dr. Brian Hendrickson, D.O.
Lancaster, OH · No drug or device payments recorded (2025) · (740) 689-4470
Dr. Charles Casa, DO
Lancaster, OH · $55 in drug and device payments (2025) · (740) 687-8397
Dr. Christopher Nickison, MD
Lancaster, OH · $505 in drug and device payments (2025) · (740) 681-9447
Dr. David Dunbar, M.D.
Lancaster, OH · No drug or device payments recorded (2025) · (740) 654-3700
Dr. Douglas Pope, MD
Lancaster, OH · No drug or device payments recorded (2025) · (740) 689-9860
Dr. Elaine Lewis, MD
Lancaster, OH · No drug or device payments recorded (2025) · (740) 687-9173
Dr. Galen Hayek, DO
Lancaster, OH · $932 in drug and device payments (2025) · Telehealth · (740) 785-4678
Dr. Gene Michael
Lancaster, OH · No drug or device payments recorded (2025) · (740) 687-8397
Dr. Gregory Riffle, D.O.
Lancaster, OH · No drug or device payments recorded (2025) · (740) 681-9447
Dr. Imthiaz Khan, MD
Lancaster, OH · No drug or device payments recorded (2025) · (740) 687-8397
Dr. Jency Koshy
Lancaster, OH · No drug or device payments recorded (2025) · (740) 687-8397
Dr. Jessica Khemani
Lancaster, OH · $176 in drug and device payments (2025) · (740) 687-8397
Dr. Johnny Abidin, MD
Lancaster, OH · No drug or device payments recorded (2025) · (740) 681-9447
Dr. Jon Reed
Lancaster, OH · No drug or device payments recorded (2025) · (740) 687-6907
Dr. Laura Morgan, MD
Lancaster, OH · No drug or device payments recorded (2025) · (740) 689-9860
Dr. Leon Hughes, MD
Lancaster, OH · No drug or device payments recorded (2025) · (740) 687-8000
Dr. Majida Giancola, D.O.
Lancaster, OH · No drug or device payments recorded (2025) · (740) 687-8651
Dr. Mark Lepi, MD
Lancaster, OH · No drug or device payments recorded (2025) · Telehealth · (740) 689-9860
Dr. Martha Buckley, MD
Lancaster, OH · No drug or device payments recorded (2025) · (740) 654-0232
Dr. Matthew Campos
Lancaster, OH · No drug or device payments recorded (2025) · (614) 566-3322
Dr. Michael Murray, M.D.
Lancaster, OH · No drug or device payments recorded (2025) · (740) 681-9447
Dr. Neelkant Raya, MD
Lancaster, OH · $488 in drug and device payments (2025) · Telehealth · (740) 654-6596
Dr. Negin Meshkati, DO
Lancaster, OH · $45 in drug and device payments (2025) · (740) 687-8397
Dr. Nirmal Shah
Lancaster, OH · $59 in drug and device payments (2025) · (740) 687-8397
Dr. Qazi Haider, MD
Lancaster, OH · No drug or device payments recorded (2025) · (740) 687-8397
Dr. Rajeev Sachdeva, MD
Lancaster, OH · No drug or device payments recorded (2025) · (740) 687-8397
Dr. Renuka Gonela, MD
Lancaster, OH · No drug or device payments recorded (2025) · (740) 654-9652
Dr. Talal Sabbagh, D.O.
Lancaster, OH · No drug or device payments recorded (2025) · (740) 687-8651
Dr. Troy Edwards, D.O.
Lancaster, OH · $26 in drug and device payments (2025) · (740) 438-1339
Dr. Valerie Zona, DO
Lancaster, OH · No drug or device payments recorded (2025) · (740) 687-8397
Dr. Veronica Romanow, DO
Lancaster, OH · No drug or device payments recorded (2025) · (740) 687-8651
Dr. Vijay Putherickal, DO
Lancaster, OH · No drug or device payments recorded (2025) · (800) 548-2627

Conditions Internal Medicine providers in Lancaster, 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.

Common questions

How many Internal Medicine providers are in Lancaster, Ohio?

There are 36 Internal Medicine providers with active NPI records practicing in Lancaster, according to federal NPPES data refreshed monthly.

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

9 of 36 (25%) 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 Lancaster treat?

Internal Medicine providers in Lancaster 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 Lancaster Internal Medicine across Ohio

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.