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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. Wilhelm Castellon
Clarion, PA · No drug or device payments recorded (2025) · (814) 226-2500
Dr. Yifang Song
Clarion, PA · $34 in drug and device payments (2025) · (724) 285-0823
Dr. Charles Druffner, MD
Clarks Summit, PA · No drug or device payments recorded (2025) · (570) 587-4344
Dr. David Waibel, M.D.
Clarks Summit, PA · No drug or device payments recorded (2025) · (570) 587-7254
Dr. Donald Kachline, M.D.
Clarks Summit, PA · No drug or device payments recorded (2025) · (570) 587-7254
Dr. Eric Smith, DO
Clarks Summit, PA · $4,301 in drug and device payments (2025) · Telehealth · (570) 209-7878
Dr. Haitham Abughnia, MD
Clarks Summit, PA · $373 in drug and device payments (2025) · (570) 587-7817
Dr. John Lisiak, D.O.
Clarks Summit, PA · No drug or device payments recorded (2025) · (570) 585-6700
Dr. John Wandalowski
Clarks Summit, PA · No drug or device payments recorded (2025) · (570) 587-1306
Dr. Marsha Modery, MD
Clarks Summit, PA · No drug or device payments recorded (2025) · (570) 587-7254
Dr. Michael Gordon, MD
Clarks Summit, PA · $99 in drug and device payments (2025) · Telehealth · (570) 586-1134
Dr. Michael Jalowiec, D.O.
Clarks Summit, PA · $119 in drug and device payments (2025) · (570) 586-2011
Dr. Phillip Boccagno, MD
Clarks Summit, PA · $3,196 in drug and device payments (2025) · (570) 587-4113
Dr. Sheela Prahalad, M.D.
Clarks Summit, PA · No drug or device payments recorded (2025) · Telehealth · (570) 586-6087
Dr. Baltazar Corcino, M.D.
Clearfield, PA · No drug or device payments recorded (2025) · (814) 765-1982
Dr. Bruno Romeo, MD
Clearfield, PA · $205 in drug and device payments (2025) · (814) 765-6644
Dr. Darren Smeal, MD
Clearfield, PA · $989 in drug and device payments (2025) · (814) 765-8861
Dr. Rashmi Mishra, M.D.
Clearfield, PA · No drug or device payments recorded (2025) · (814) 768-2080
Dr. Richard Johnson, DO
Clearfield, PA · No drug or device payments recorded (2025) · (814) 765-7502
Dr. Shaunak Patel, M.D.
Clearfield, PA · No drug or device payments recorded (2025) · (814) 768-2358
Dr. Varun Sharma, MD
Clearfield, PA · No drug or device payments recorded (2025) · (814) 765-5341
Dr. Sandra Cosklo, DO
Clifford, PA · No drug or device payments recorded (2025) · (570) 222-5200
Dr. Dilliswar Sahoo, MD
Coaldale, PA · No drug or device payments recorded (2025) · (570) 645-2184
Dr. Jeffrey Hostetter, D.O.
Coaldale, PA · No drug or device payments recorded (2025) · (484) 526-6643
Dr. Michael Sabol, D.O.
Coaldale, PA · No drug or device payments recorded (2025) · (570) 680-8116
Dr. Alakananda Chakrabarty, MD
Coal Township, PA · $1,217 in drug and device payments (2025) · Telehealth · (570) 648-0424
Dr. Alexander Klufas, M.D.
Coatesville, PA · No drug or device payments recorded (2025) · (610) 383-1230
Dr. Anthony Iaccarino, D.O.
Coatesville, PA · No drug or device payments recorded (2025) · (610) 384-7711
Dr. Arun Sirohi, M.D.
Coatesville, PA · No drug or device payments recorded (2025) · (610) 384-7711
Dr. Barbara Malczewska-glockson, MD
Coatesville, PA · No drug or device payments recorded (2025) · (610) 384-7711
Dr. Hop Vo, D.O.
Coatesville, PA · No drug or device payments recorded (2025) · (610) 384-7711
Dr. Indranee Elanchenny, M.D
Coatesville, PA · No drug or device payments recorded (2025) · (610) 384-7711
Dr. Kavitha Lingineni, M.D.
Coatesville, PA · No drug or device payments recorded (2025) · (610) 384-7711
Dr. Kenneth Goldblum, MD
Coatesville, PA · No drug or device payments recorded (2025) · (610) 384-5110
Dr. Ketki Mehta, MD
Coatesville, PA · No drug or device payments recorded (2025) · (610) 384-7711
Dr. Lisette Cooper, MD
Coatesville, PA · No drug or device payments recorded (2025) · (610) 383-0289
Dr. Michael Urbano, MD
Coatesville, PA · No drug or device payments recorded (2025) · (610) 384-1600
Dr. Pamela Jin, MD
Coatesville, PA · No drug or device payments recorded (2025) · (610) 384-7711
Dr. Phuoc Le, MD
Coatesville, PA · No drug or device payments recorded (2025) · (610) 384-7711
Dr. Qin Li, MD
Coatesville, PA · No drug or device payments recorded (2025) · (610) 384-7711
Dr. Sheila Chellappa, M.D.
Coatesville, PA · No drug or device payments recorded (2025) · (610) 384-7711
Dr. Sunila Byreddy, MD
Coatesville, PA · No drug or device payments recorded (2025) · (610) 383-8351
Dr. Tanveer Qureshi, MD
Coatesville, PA · No drug or device payments recorded (2025) · (610) 384-7711
Dr. Adeline Verticelli, M.D.
Collegeville, PA · No drug or device payments recorded (2025) · (610) 917-6502
Dr. Bruce Behounek, MD
Collegeville, PA · No drug or device payments recorded (2025) · (484) 865-8842
Dr. Gretchen White, MD
Collegeville, PA · No drug or device payments recorded (2025) · (610) 917-5426
Dr. Ogbugo Emeh, M.D
Collegeville, PA · $351 in drug and device payments (2025) · (484) 902-1893
Dr. Herman Mcgill, MD
Collingdale, PA · No drug or device payments recorded (2025) · (610) 522-1222
Dr. Ofelia Bacani, MD
Collingdale, PA · No drug or device payments recorded (2025) · (610) 586-2599
Dr. Michael Knolle, DO
Columbia, PA · No drug or device payments recorded (2025) · (717) 864-6418

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

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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.