HealthcareDiscovery.AI / Doctors / Pennsylvania / Internal Medicine

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. James Harkins, MD
Newtown Square, PA · No drug or device payments recorded (2025) · (610) 359-9997
Dr. Jo-ann Reteguiz, M.D.
Newtown Square, PA · No drug or device payments recorded (2025) · (610) 557-2262
Dr. Joseph Pappano, M.D.
Newtown Square, PA · No drug or device payments recorded (2025) · (610) 353-4009
Dr. Joseph Reitano, MD
Newtown Square, PA · $299 in drug and device payments (2025) · (610) 356-0300
Dr. Katherine Canakis, D.O.
Newtown Square, PA · No drug or device payments recorded (2025) · (610) 459-0282
Dr. Lauren Theriault, MD
Newtown Square, PA · No drug or device payments recorded (2025) · Telehealth · (484) 427-8000
Dr. Madeleine Heaney, MD
Newtown Square, PA · No drug or device payments recorded (2025) · Telehealth · (484) 420-4660
Dr. Nyok-kheng Lim, MD
Newtown Square, PA · No drug or device payments recorded (2025) · (484) 427-8000
Dr. Padmini Harigopal, M.D
Newtown Square, PA · No drug or device payments recorded (2025) · (610) 383-0239
Dr. Praphulla Hebbalalu, M.D.
Newtown Square, PA · $123 in drug and device payments (2025) · (484) 454-6268
Dr. Robert Corrato, M.D.
Newtown Square, PA · No drug or device payments recorded (2025) · (484) 454-6268
Dr. Sallie Stadlen, MD
Newtown Square, PA · No drug or device payments recorded (2025) · (610) 356-0300
Dr. Shinette Sirmans-mcrae, M.D.
Newtown Square, PA · $305 in drug and device payments (2025) · (484) 454-6262
Dr. Sridevi Allu, M.D.
Newtown Square, PA · $87 in drug and device payments (2025) · (484) 420-2554
Dr. Sylvan Hurewitz, M.D.
Newtown Square, PA · No drug or device payments recorded (2025) · (610) 557-2484
Dr. Tamatra Crook, M.D.
Newtown Square, PA · No drug or device payments recorded (2025) · (610) 550-4774
Dr. Thomas Lawrence, MD
Newtown Square, PA · $39 in drug and device payments (2025) · (484) 427-8000
Dr. Barry Follweiler, MD
New Tripoli, PA · No drug or device payments recorded (2025) · (610) 298-8521
Dr. Robert Sanders, MD
N Huntingdon, PA · No drug or device payments recorded (2025) · (724) 864-3030
Dr. Andrew Olex, M.D.
Norristown, PA · No drug or device payments recorded (2025) · (610) 313-1106
Dr. Annette O'neil, M.D.
Norristown, PA · No drug or device payments recorded (2025) · (610) 278-7787
Dr. Arthur Ersner, MD
Norristown, PA · No drug or device payments recorded (2025) · (610) 279-8300
Dr. D'arcie Chitwood, D.O., M.P.H.
Norristown, PA · No drug or device payments recorded (2025) · (610) 278-2000
Dr. Donald Sesso, D.O.
Norristown, PA · $115 in drug and device payments (2025) · (610) 275-0200
Dr. Indira Khanna, MD
Norristown, PA · No drug or device payments recorded (2025) · (610) 313-1000
Dr. Joseph Parambil, MD
Norristown, PA · No drug or device payments recorded (2025) · (610) 270-2451
Dr. Joseph Szulewski, D.O.
Norristown, PA · $226 in drug and device payments (2025) · (610) 278-2000
Dr. Judith Gordon, M.D.
Norristown, PA · No drug or device payments recorded (2025) · (610) 539-8500
Dr. Katarzyna Perkowska
Norristown, PA · No drug or device payments recorded (2025) · (484) 622-1000
Dr. Katelyn Rudisill, MD, MPH
Norristown, PA · No drug or device payments recorded (2025) · (484) 622-1199
Dr. Malorie Budman, D.O.
Norristown, PA · No drug or device payments recorded (2025) · (610) 313-1000
Dr. Margaret Carrillo, M.D.
Norristown, PA · No drug or device payments recorded (2025) · (610) 631-9981
Dr. Michael Magro, D.O.
Norristown, PA · No drug or device payments recorded (2025) · (610) 275-0200
Dr. Michael Mash, MD LLC
Norristown, PA · No drug or device payments recorded (2025) · (610) 272-2272
Dr. Mohammad Moayed, M.D.
Norristown, PA · No drug or device payments recorded (2025) · (610) 313-1000
Dr. Muhammad Atif Ameer
Norristown, PA · $110 in drug and device payments (2025) · (610) 770-5960
Dr. Ok Kyoung Woo, M.D.
Norristown, PA · No drug or device payments recorded (2025) · (610) 313-1000
Dr. Olha Smolynets, DO
Norristown, PA · No drug or device payments recorded (2025) · Telehealth · (610) 278-2000
Dr. Payce Handler Haley
Norristown, PA · No drug or device payments recorded (2025) · (610) 275-0200
Dr. Philip Digiacomo, MD
Norristown, PA · No drug or device payments recorded (2025) · (610) 277-2635
Dr. Pragna Koleti
Norristown, PA · $30 in drug and device payments (2025) · (610) 278-2003
Dr. Robert Hall, M.D.
Norristown, PA · $214 in drug and device payments (2025) · (484) 684-7393
Dr. Ronak Bhimani
Norristown, PA · $225,580 in drug and device payments (2025) · (610) 278-2000
Dr. Sumabala Kasibhotla, MD
Norristown, PA · No drug or device payments recorded (2025) · (610) 539-8500
Dr. Supriya Sekhar, M.D
Norristown, PA · No drug or device payments recorded (2025) · (484) 622-7510
Dr. Susan Ginsberg, MD
Norristown, PA · No drug or device payments recorded (2025) · (610) 239-7100
Dr. Westlane Depew, D.O.
Norristown, PA · No drug or device payments recorded (2025) · (610) 539-8500
Dr. Angeles Gonzalez-prado, MD
Northampton, PA · No drug or device payments recorded (2025) · (610) 262-1519
Dr. Iftikhar Ahmad, M.D.
Northampton, PA · $79 in drug and device payments (2025) · Telehealth · (484) 526-7275
Dr. Iqbal Sorathia, MD
Northampton, PA · $79 in drug and device payments (2025) · Telehealth · (610) 261-0999

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.

Related reading on HealthcareDiscovery.AI

Internal Medicine in all 50 states Search all 7,285 in the directory Ask Zach for help choosing

Related

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.