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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. Sarwat Jahan, M.D.
Wallingford, PA · $18 in drug and device payments (2025) · (215) 278-8605
Dr. Tamar Jefferis
Wallingford, PA · No drug or device payments recorded (2025) · (610) 909-5445
Dr. Cynthia Shepard, M.D.
Warminster, PA · No drug or device payments recorded (2025) · (215) 443-3850
Dr. Helen Khusid, D.O.
Warminster, PA · $244 in drug and device payments (2025) · (215) 443-3850
Dr. Jamie Swanson, DO
Warminster, PA · $62 in drug and device payments (2025) · Telehealth · (215) 675-8847
Dr. Mahshid Shirazi, MD
Warminster, PA · No drug or device payments recorded (2025) · Telehealth · (215) 441-6789
Dr. Matthew Goodman, MD
Warminster, PA · No drug or device payments recorded (2025) · Telehealth · (215) 441-6789
Dr. Michael Knapp, M.D.
Warminster, PA · No drug or device payments recorded (2025) · (215) 672-4726
Dr. Robert Chalfin, MD
Warminster, PA · No drug or device payments recorded (2025) · Telehealth · (215) 441-6789
Dr. Sheldon Karabell, M.D.
Warminster, PA · No drug or device payments recorded (2025) · (215) 675-8847
Dr. Usha Marfatia, MD
Warminster, PA · No drug or device payments recorded (2025) · (215) 441-6896
Dr. Vardhana Goswami, M.D.
Warminster, PA · No drug or device payments recorded (2025) · (215) 443-3850
Dr. Alex Strassburg, MD
Warren, PA · No drug or device payments recorded (2025) · (814) 723-4973
Dr. Lee Denlinger, MD
Warren, PA · No drug or device payments recorded (2025) · (814) 726-0211
Dr. Paul Bialas, M.D.
Warren, PA · No drug or device payments recorded (2025) · (814) 726-0273
Dr. Robert Gabreski, MD
Warren, PA · No drug or device payments recorded (2025) · (814) 723-4973
Dr. Timothy Stanton, MD
Warren, PA · No drug or device payments recorded (2025) · (814) 723-8240
Dr. Ashesh Dave, MD
Warrington, PA · $29 in drug and device payments (2025) · (267) 935-4615
Dr. Elisa Mandel, M.D.
Warrington, PA · $1,124 in drug and device payments (2025) · Telehealth · (215) 918-5555
Dr. Francine Ryan, DO
Warrington, PA · $321 in drug and device payments (2025) · Telehealth · (215) 918-5555
Dr. Israel Lichtenstein
Warrington, PA · No drug or device payments recorded (2025) · (267) 488-1945
Dr. Robert Cherrey, D.O.
Warrington, PA · $203 in drug and device payments (2025) · (215) 491-4665
Dr. Varun Doddapaneni, M.D.
Warrington, PA · No drug or device payments recorded (2025) · (917) 828-3271
Dr. Alycia Petraglia, D.O.
Washington, PA · No drug or device payments recorded (2025) · Telehealth · (724) 328-0393
Dr. Arcadio Agudelo Hernandez, M.D
Washington, PA · No drug or device payments recorded (2025) · (724) 225-7000
Dr. Avinash Vangara, MD
Washington, PA · No drug or device payments recorded (2025) · (724) 228-1303
Dr. Breanne Hayes Haney, DO
Washington, PA · $1,000 in drug and device payments (2025) · (724) 579-7000
Dr. Brianna Kobe, DO
Washington, PA · No drug or device payments recorded (2025) · (724) 225-7000
Dr. Catheri Brennan, CATHERINE J. BRENNAN
Washington, PA · No drug or device payments recorded (2025) · (724) 250-7790
Dr. Douglas Corwin, M.D.
Washington, PA · No drug or device payments recorded (2025) · (724) 229-7570
Dr. Harry Silvis, M.D.
Washington, PA · No drug or device payments recorded (2025) · (724) 222-9300
Dr. Henry Folb, M.D.
Washington, PA · No drug or device payments recorded (2025) · (724) 229-7570
Dr. James Krebs, MD
Washington, PA · No drug or device payments recorded (2025) · (724) 222-4464
Dr. James Solava, DO
Washington, PA · $434 in drug and device payments (2025) · (724) 430-2395
Dr. Leah Malone, MD
Washington, PA · No drug or device payments recorded (2025) · (724) 579-7000
Dr. Michael Waters, MD
Washington, PA · $22 in drug and device payments (2025) · (724) 531-5354
Dr. Patricia Friedsam, M.D.
Washington, PA · No drug or device payments recorded (2025) · (724) 222-9300
Dr. Richard Hart, M.D.
Washington, PA · $175 in drug and device payments (2025) · Telehealth · (724) 229-7570
Dr. Robin Trainer, FNP
Washington, PA · No drug or device payments recorded (2025) · (724) 249-7208
Dr. Sean Kelly, DO
Washington, PA · $667 in drug and device payments (2025) · Telehealth · (724) 222-7240
Dr. Thomas Tambouratzis, MD
Washington, PA · No drug or device payments recorded (2025) · (724) 229-7570
Dr. William Kottner, MD
Washington, PA · No drug or device payments recorded (2025) · (724) 222-4464
Dr. Jennifer Kitchen, MD, PHD
Washington Crossing, PA · $167 in drug and device payments (2025) · (215) 595-2130
Dr. Peter Murphy
Washington Crossing, PA · $235 in drug and device payments (2025) · (855) 247-2725
Dr. Allen Orehek, MD
Waymart, PA · $36 in drug and device payments (2025) · (570) 488-7777
Dr. Wawrzyniec Stepczak, M.D.
Waymart, PA · No drug or device payments recorded (2025) · (570) 488-9770
Dr. Carl Friedman, MD
Wayne, PA · No drug or device payments recorded (2025) · (610) 688-3983
Dr. Daniel Baker, M.D.
Wayne, PA · No drug or device payments recorded (2025) · (610) 324-0164
Dr. Gregory Harriman, M.D.
Wayne, PA · No drug or device payments recorded (2025) · (610) 246-9822
Dr. Jiwon Jane Jue, M.D., M.SC.
Wayne, PA · No drug or device payments recorded (2025) · (215) 713-4344

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.