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 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. Tripti KumarBroomall, PA · No drug or device payments recorded (2025) · Telehealth ·
(610) 325-0309 Dr. Malkit Singh, M.D.Brownsville, PA · No drug or device payments recorded (2025) · Telehealth ·
(724) 785-2200 Dr. Alan Adler, M.D.Bryn Mawr, PA · No drug or device payments recorded (2025) ·
(610) 520-6128 Dr. Amanda Marchica, DOBryn Mawr, PA · No drug or device payments recorded (2025) ·
(484) 337-4097 Dr. Ancy Skariah, DOBryn Mawr, PA · No drug or device payments recorded (2025) ·
(484) 337-4097 Dr. Andrew Fisher, M.D.Bryn Mawr, PA · No drug or device payments recorded (2025) ·
(610) 525-4547 Dr. Anum Siddiqui, D.OBryn Mawr, PA · $16 in drug and device payments (2025) ·
(484) 337-4097 Dr. Anuradha Sharma, MDBryn Mawr, PA · $122 in drug and device payments (2025) ·
(610) 520-5200 Dr. Benjamin Mauri, MDBryn Mawr, PA · No drug or device payments recorded (2025) ·
(484) 337-4097 Dr. Bonnie Ashby, MDBryn Mawr, PA · $14 in drug and device payments (2025) ·
(610) 520-5200 Dr. Catherine Pelczar-wissner, M. D.Bryn Mawr, PA · No drug or device payments recorded (2025) ·
(914) 450-6755 Dr. Christopher Struby, D.O.Bryn Mawr, PA · No drug or device payments recorded (2025) ·
(484) 337-4097 Dr. Erblin Qosaj, MDBryn Mawr, PA · No drug or device payments recorded (2025) ·
(484) 337-2000 Dr. Frederic Kauffman, M.D.Bryn Mawr, PA · No drug or device payments recorded (2025) ·
(610) 527-1823 Dr. Gerald Messerschmidt, MDBryn Mawr, PA · No drug or device payments recorded (2025) ·
(610) 613-3882 Dr. Godffery Tang, MDBryn Mawr, PA · No drug or device payments recorded (2025) ·
(484) 337-4097 Dr. Jennifer Stearns, MDBryn Mawr, PA · No drug or device payments recorded (2025) ·
(610) 527-8844 Dr. Jessica Salt, M.D.Bryn Mawr, PA · No drug or device payments recorded (2025) ·
(484) 337-4097 Dr. Joanne Lane, MDBryn Mawr, PA · $157 in drug and device payments (2025) ·
(610) 527-3800 Dr. John Hobson, M.D.Bryn Mawr, PA · $1,886 in drug and device payments (2025) ·
(610) 527-8844 Dr. Julia Bravo, MDBryn Mawr, PA · No drug or device payments recorded (2025) ·
(610) 420-8773 Dr. Julia Uffner, MDBryn Mawr, PA · No drug or device payments recorded (2025) ·
(610) 520-5200 Dr. Katrina Viloria, DOBryn Mawr, PA · No drug or device payments recorded (2025) ·
(484) 337-4097 Dr. Lata Stavropoulos, M.D.Bryn Mawr, PA · No drug or device payments recorded (2025) ·
(610) 527-9676 Dr. Lawrence Marinari, MDBryn Mawr, PA · No drug or device payments recorded (2025) ·
(610) 527-3311 Dr. Lawrence Mcknight, MDBryn Mawr, PA · No drug or device payments recorded (2025) ·
(610) 526-4097 Dr. Leroy Gerson, MDBryn Mawr, PA · No drug or device payments recorded (2025) ·
(610) 520-0770 Dr. Madeline Danny, D.OBryn Mawr, PA · No drug or device payments recorded (2025) ·
(610) 525-3332 Dr. Matthew Cahill, MDBryn Mawr, PA · $48 in drug and device payments (2025) ·
(610) 527-3800 Dr. Matthew Nguyen, MDBryn Mawr, PA · $2,550 in drug and device payments (2025) ·
(484) 337-4097 Dr. Matthew Olah, M.D.Bryn Mawr, PA · $14 in drug and device payments (2025) · Telehealth ·
(484) 337-5300 Dr. Michael Flanagan, MD, PHDBryn Mawr, PA · $1,219 in drug and device payments (2025) ·
(610) 527-8844 Dr. Nadia Ali, MDBryn Mawr, PA · $58 in drug and device payments (2025) ·
(610) 363-3973 Dr. Nahed Botros, DOBryn Mawr, PA · $127 in drug and device payments (2025) ·
(484) 337-4097 Dr. Nandhini Sreedhar, MDBryn Mawr, PA · No drug or device payments recorded (2025) · Telehealth ·
(610) 527-3800 Dr. Neil ShahBryn Mawr, PA · No drug or device payments recorded (2025) ·
(484) 337-4097 Dr. Niranjini Chandrashekaran, MDBryn Mawr, PA · No drug or device payments recorded (2025) · Telehealth ·
(610) 520-5200 Dr. Padmaja Mamillapalli, MDBryn Mawr, PA · No drug or device payments recorded (2025) ·
(484) 337-4097 Dr. Rasha KhanBryn Mawr, PA · No drug or device payments recorded (2025) ·
(484) 337-3000 Dr. Richard Brower, M.D.Bryn Mawr, PA · $314 in drug and device payments (2025) ·
(610) 527-3068 Dr. Robert Chernoff, M.D.Bryn Mawr, PA · No drug or device payments recorded (2025) ·
(610) 527-3536 Dr. Ryan Macdougall, MDBryn Mawr, PA · No drug or device payments recorded (2025) ·
(484) 337-4097 Dr. Sam Toroghi, MDBryn Mawr, PA · No drug or device payments recorded (2025) ·
(484) 337-4097 Dr. Sean SullivanBryn Mawr, PA · $221 in drug and device payments (2025) ·
(484) 337-4097 Dr. Shalini Harigovind, MDBryn Mawr, PA · No drug or device payments recorded (2025) ·
(610) 526-4097 Dr. Sivaranjani Penna, M.D.Bryn Mawr, PA · $125 in drug and device payments (2025) ·
(484) 337-4097 Dr. Sivasankara Kosaraju, MDBryn Mawr, PA · $114 in drug and device payments (2025) ·
(610) 526-4097 Dr. Timothy Patterson, D.O.Bryn Mawr, PA · No drug or device payments recorded (2025) ·
(610) 520-5200 Dr. Vedhapriya Srinivasan, MBBSBryn Mawr, PA · No drug or device payments recorded (2025) ·
(484) 337-4097 Dr. Winifred Constable, M.D.Bryn Mawr, PA · No drug or device payments recorded (2025) · Telehealth ·
(610) 520-1127 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.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
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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