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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. Jonathan Amora, DO
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. Jonathan Irby, DO
Danville, PA · No drug or device payments recorded (2025) · (570) 214-3500
Dr. Jonathan Swinden, MD
Danville, PA · No drug or device payments recorded (2025) · (570) 214-9585
Dr. Jon Gustafson
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. Joseph Colancecco, M.D.
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. Joseph Cooper, M.D.
Danville, PA · No drug or device payments recorded (2025) · Telehealth · (570) 214-9585
Dr. Kathie Wu
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6211
Dr. Kenneth Cover, M.D.
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. Kerrie Hoffman, OTR/L, MD
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6211
Dr. Lokesh Mahendrakar, M.D.
Danville, PA · No drug or device payments recorded (2025) · Telehealth · (570) 271-9585
Dr. Lovepreet Singh, MD
Danville, PA · $21 in drug and device payments (2025) · Telehealth · (570) 271-6439
Dr. Madeleine Marcus
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6787
Dr. Madeline Illar
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6787
Dr. Mahlon Kile
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6787
Dr. Maja Ostojic, DO
Danville, PA · $378 in drug and device payments (2025) · (570) 271-6211
Dr. Maria Bermudez, M.D.
Danville, PA · $4,080 in drug and device payments (2025) · (570) 271-6393
Dr. Marie Charisse Tayag, M.D.
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6211
Dr. Maritza Nary, DO
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6787
Dr. Mark Lentz, M.D.
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. Mark Mattison, M.D.
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6211
Dr. Mary Harris, M.D.
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. Matthew Harris
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. Matthew Kostelac
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. Matthew Stanton
Danville, PA · No drug or device payments recorded (2025) · (570) 214-9585
Dr. Matthew Yeckley
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6787
Dr. Mckenzie Zellers, MD
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. Megan Barndt, DO
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6211
Dr. Michael Brogna, M.D.
Danville, PA · No drug or device payments recorded (2025) · (570) 271-4500
Dr. Michael Sass, D.O.
Danville, PA · No drug or device payments recorded (2025) · Telehealth · (570) 271-6070
Dr. Michael Spivak, DO
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6787
Dr. Michael Yodice, MD
Danville, PA · $645 in drug and device payments (2025) · (570) 271-6787
Dr. Michelle Cornacchia
Danville, PA · No drug or device payments recorded (2025) · Telehealth · (570) 271-6164
Dr. Mobasser Mahmood, M.D
Danville, PA · $577 in drug and device payments (2025) · (570) 271-6211
Dr. Mohammad Ali, MD
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6408
Dr. Murtaza Khan, MD
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. My-trang Dang, DO, PHD
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. Nabiha Shahid
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. Nadezda Buntic, DO
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6787
Dr. Nadia Igatpuriwala
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6787
Dr. Nevin Anderson, DO
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. Nicholas Baker, MD
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. Nikita Patel, DO
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. Nisha Sapkota
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. Noor Mualla
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6211
Dr. Omar Orozco Herrera, M.D.
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6211
Dr. Prutha Patel
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. Robert Anderson, M.S.
Danville, PA · No drug or device payments recorded (2025) · (570) 214-9585
Dr. Robert Behm Lopez, M.D.
Danville, PA · $22 in drug and device payments (2025) · (570) 271-6211
Dr. Robert Hergan, M.D.
Danville, PA · No drug or device payments recorded (2025) · (570) 271-6164
Dr. Robert Tunney, PHARMD
Danville, PA · No drug or device payments recorded (2025) · (570) 271-5594

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.