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Internal Medicine Doctors in Pennsylvania

Data updated monthly · Last refresh October 2026

7,285 Internal Medicine providers practice in Pennsylvania, including 1,249 (17%) offering telehealth. The largest concentration is in Philadelphia. 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.

7,285providers
1,249telehealth
Philadelphiatop city

Internal Medicine by city in Pennsylvania

Choose a city to see providers there.

Internal Medicine in Philadelphia1,839 providers
Internal Medicine in Pittsburgh748 providers
Internal Medicine in Allentown215 providers
Internal Medicine in Harrisburg183 providers
Internal Medicine in York162 providers
Internal Medicine in Bethlehem158 providers
Internal Medicine in Wynnewood149 providers
Internal Medicine in Scranton133 providers
Internal Medicine in Danville130 providers
Internal Medicine in Hershey122 providers
Internal Medicine in West Reading112 providers
Internal Medicine in Abington107 providers
Internal Medicine in Easton105 providers
Internal Medicine in Erie99 providers
Internal Medicine in Lancaster91 providers
Internal Medicine in Johnstown86 providers
Internal Medicine in Wilkes Barre61 providers
Internal Medicine in West Chester57 providers
Internal Medicine in Sayre50 providers
Internal Medicine in Bryn Mawr49 providers
Internal Medicine in Media47 providers
Internal Medicine in Butler44 providers
Internal Medicine in Reading44 providers
Internal Medicine in Langhorne41 providers

Internal Medicine providers in Pennsylvania

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. Morgan Flaherty, M.D.
Pittsburgh, PA · $170 in drug and device payments (2025) · Telehealth · (412) 406-7216
Dr. Mouhib Naddour
Pittsburgh, PA · $702 in drug and device payments (2025) · (412) 359-3131
Dr. Mrudula Gadani, MD
Pittsburgh, PA · No drug or device payments recorded (2025) · Telehealth · (412) 235-5810
Dr. Muhamad Khalid, MD
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 647-6245
Dr. Muhammad Ali Butt, MD
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 359-3131
Dr. Nadezhda Horchner, M.D.
Pittsburgh, PA · No drug or device payments recorded (2025) · Telehealth · (412) 687-5040
Dr. Nadine Dandachi, MD
Pittsburgh, PA · $30 in drug and device payments (2025) · (412) 648-6161
Dr. Nagib Manov, MD
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 784-5050
Dr. Naina Chipalkatti, MD
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 367-6700
Dr. Nalina Prabhu, M.D.
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 531-7330
Dr. Nancy Carroll, MD
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 367-1188
Dr. Nathaniel Weathington, MD
Pittsburgh, PA · $314 in drug and device payments (2025) · Telehealth · (412) 784-5888
Dr. Natthew Arunthamakun, DO
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 359-3751
Dr. Neena Reddy, M.D.
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 623-1383
Dr. Neeta Raja, D.O.
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 886-9803
Dr. Neha Etherington
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 692-4882
Dr. Neha Singh
Pittsburgh, PA · No drug or device payments recorded (2025) · Telehealth · (412) 748-5020
Dr. Niall Prendergast, MD
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 648-3098
Dr. Nicholas Degregorio, M.D.
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 561-0692
Dr. Nicholas Ditullio, MD
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 942-4000
Dr. Nicholas Stygles, M.D.
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 692-4700
Dr. Nicole Izzo, D.O.
Pittsburgh, PA · $35 in drug and device payments (2025) · (412) 235-5810
Dr. Nicole Luche, MD
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 647-2345
Dr. Nikos Pappan
Pittsburgh, PA · $671 in drug and device payments (2025) · (412) 359-4971
Dr. Nitin Bhanot, MD
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 359-3360
Dr. Niwen Kong, MD
Pittsburgh, PA · $193 in drug and device payments (2025) · (412) 647-2345
Dr. Niyati Shah, MD-PHD
Pittsburgh, PA · No drug or device payments recorded (2025) · Telehealth · (412) 347-0057
Dr. Noor Khan, M.D.
Pittsburgh, PA · $141 in drug and device payments (2025) · Telehealth · (412) 232-7685
Dr. Oliver Herndon, M.D.
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 460-1111
Dr. Osama Alhajjar, M.D.
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 359-4971
Dr. Owen Schwartz, MD
Pittsburgh, PA · $23 in drug and device payments (2025) · (412) 232-8111
Dr. Oyepeju Abioye, MD
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 359-4971
Dr. Ozge Ozgur, MD
Pittsburgh, PA · $23 in drug and device payments (2025) · (412) 681-4989
Dr. Paige Langhals-totino, DO
Pittsburgh, PA · $83 in drug and device payments (2025) · Telehealth · (412) 359-8900
Dr. Parachur Nivedita, MD
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 232-8080
Dr. Patricia Choi, MD
Pittsburgh, PA · No drug or device payments recorded (2025) · Telehealth · (412) 692-8740
Dr. Patrick Perri, MD
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 359-3751
Dr. Patrick Sleckman, DO
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 235-5810
Dr. Paul Carson, M.D.
Pittsburgh, PA · $195 in drug and device payments (2025) · (412) 359-3030
Dr. Paul Oczypok, MD
Pittsburgh, PA · $27 in drug and device payments (2025) · Telehealth · (412) 922-3773
Dr. Paul Tepe
Pittsburgh, PA · No drug or device payments recorded (2025) · Telehealth · (412) 920-0700
Dr. Paul Yacono, MD
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 681-4989
Dr. Pawas Varshney, M.D
Pittsburgh, PA · $40 in drug and device payments (2025) · (412) 235-5900
Dr. Pedro Cardona, M.D.
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 255-4203
Dr. Peta-gay Ricketts, DO
Pittsburgh, PA · $277 in drug and device payments (2025) · Telehealth · (412) 647-6700
Dr. Peter Bulova
Pittsburgh, PA · No drug or device payments recorded (2025) · Telehealth · (412) 692-4888
Dr. Peter Harvey
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 232-5533
Dr. Peter Tanzer, M.D.
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 692-2992
Dr. Philip Lee, D.O.
Pittsburgh, PA · No drug or device payments recorded (2025) · (412) 623-2467
Dr. Pooja Singh, MD
Pittsburgh, PA · $14 in drug and device payments (2025) · (412) 359-3131

Conditions Internal Medicine providers in Pennsylvania 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 Pennsylvania?

There are 7,285 Internal Medicine providers with active NPI records practicing in Pennsylvania, according to federal NPPES data refreshed monthly.

Do Internal Medicine providers in Pennsylvania offer telehealth?

Yes. 1,249 of the 7,285 Internal Medicine providers in Pennsylvania (about 17%) report offering telehealth services in CMS data.

Which cities in Pennsylvania have the most Internal Medicine providers?

Philadelphia (1,839), Pittsburgh (748), Allentown (215) have the highest concentration of Internal Medicine providers in Pennsylvania.

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

2,354 of 7,285 Internal Medicine providers in Pennsylvania (32%) 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 Pennsylvania 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 Pennsylvania work in independent practices or large health systems?

Among 3,500 Internal Medicine Doctors in Pennsylvania enrolled in Medicare, 12% bill through a solo or small practice with fewer than 10 clinicians, 10% through a mid-size group of 10 to 99, and 78% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Internal Medicine Doctors in Pennsylvania work at?

According to CMS facility affiliation records, the Pennsylvania hospitals where the most Internal Medicine Doctors hold privileges are Hospital of Univ of Pennsylvania in Philadelphia; Magee Womens Hospital of Upmc Health System in Pittsburgh; St Lukes Hospital in Bethlehem.

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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. Are you a Internal Medicine in Pennsylvania? Get featured.