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. Lucas Chierici Pereira, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(215) 456-7890 Dr. Lucy Guan, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(800) 836-7536 Dr. Lucy Witchell, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(617) 414-7399 Dr. Luigi Cianci, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(215) 365-5545 Dr. Luis Eraso, M.D.Philadelphia, PA · $94 in drug and device payments (2025) · Telehealth ·
(215) 955-4901 Dr. Luis Taboada, M.D.Philadelphia, PA · No drug or device payments recorded (2025) ·
(215) 955-6180 Dr. Lyan Chang Sedano, M.D.Philadelphia, PA · No drug or device payments recorded (2025) ·
(215) 707-4085 Dr. Lydia Mazze, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(800) 836-7536 Dr. Macy Gatti, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(215) 662-2250 Dr. Madeline Chandra, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(215) 316-5151 Dr. Madelyn Hansen, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(215) 316-5151 Dr. Madiha BariPhiladelphia, PA · No drug or device payments recorded (2025) ·
(850) 321-8624 Dr. Madison Force, MDPhiladelphia, PA · $1,107 in drug and device payments (2025) ·
(215) 955-8465 Dr. Mae Caleb, M.D.Philadelphia, PA · No drug or device payments recorded (2025) ·
(215) 487-4334 Dr. Mahdis Sarrafi, M.D.Philadelphia, PA · No drug or device payments recorded (2025) ·
(215) 612-4000 Dr. Mahnoor Javaid, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(267) 565-9708 Dr. Makayla Testa, DOPhiladelphia, PA · No drug or device payments recorded (2025) ·
(215) 707-1800 Dr. Mak Djulbegovic, MD, MSPhiladelphia, PA · $267 in drug and device payments (2025) ·
(215) 955-8465 Dr. Mala Kailasam, MDPhiladelphia, PA · $15 in drug and device payments (2025) ·
(215) 728-6900 Dr. Malgorzata Mysliwiec, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(215) 662-9189 Dr. Maliha Ahmed, D.O.Philadelphia, PA · No drug or device payments recorded (2025) ·
(215) 762-7000 Dr. Maliha Khan, MDPhiladelphia, PA · $197 in drug and device payments (2025) · Telehealth ·
(219) 669-0518 Dr. Manasa Vallabhaneni, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(215) 707-1800 Dr. Mandi Liu, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(215) 707-4085 Dr. Manijeh Bahremand, M.D.Philadelphia, PA · No drug or device payments recorded (2025) ·
(215) 670-5843 Dr. Manjari Sharma, M.D.Philadelphia, PA · $23 in drug and device payments (2025) ·
(215) 707-1622 Dr. Marc Petrone, D.O.Philadelphia, PA · $13 in drug and device payments (2025) ·
(215) 755-2869 Dr. Marc Shalaby, MDPhiladelphia, PA · No drug or device payments recorded (2025) · Telehealth ·
(215) 662-9990 Dr. Margaret FisherPhiladelphia, PA · No drug or device payments recorded (2025) ·
(800) 836-7536 Dr. Margaret RowePhiladelphia, PA · No drug or device payments recorded (2025) ·
(215) 662-2725 Dr. Margaret StaniszewskiPhiladelphia, PA · $16 in drug and device payments (2025) ·
(484) 622-1199 Dr. Margaret Wang, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(215) 444-7672 Dr. Maria Duran-guerraty, M.D.Philadelphia, PA · No drug or device payments recorded (2025) ·
(215) 823-5800 Dr. Maria Escorcia De Leon, M.D.Philadelphia, PA · No drug or device payments recorded (2025) ·
(215) 707-1622 Dr. Maria Florence Nabong, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(215) 707-2000 Dr. Maria Helena Siqueira Tavares De MeloPhiladelphia, PA · $290 in drug and device payments (2025) ·
(215) 456-7890 Dr. Mariah Presbery, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(215) 707-2000 Dr. Maria Pazan Avellan, DOPhiladelphia, PA · No drug or device payments recorded (2025) ·
(800) 836-7536 Dr. Maria Pellecchia, D.O.Philadelphia, PA · No drug or device payments recorded (2025) ·
(215) 746-3535 Dr. Maria Winte, MDPhiladelphia, PA · $365 in drug and device payments (2025) ·
(215) 955-8465 Dr. Marie Dimattia, D.O.Philadelphia, PA · No drug or device payments recorded (2025) ·
(215) 955-0735 Dr. Marie Majelle Yu, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(215) 342-2175 Dr. Marie Tan, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(215) 707-4085 Dr. Marilyn Howarth, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(215) 662-6963 Dr. Marina Hines, MDPhiladelphia, PA · No drug or device payments recorded (2025) · Telehealth ·
(215) 707-1800 Dr. Marina Pavia, D.O.Philadelphia, PA · No drug or device payments recorded (2025) ·
(215) 662-4000 Dr. Mario Littman, M.D.Philadelphia, PA · $381 in drug and device payments (2025) ·
(215) 878-7050 Dr. Marion Vetter, MDPhiladelphia, PA · No drug or device payments recorded (2025) ·
(215) 662-2468 Dr. Marisa Gefen, M.D.Philadelphia, PA · No drug or device payments recorded (2025) ·
(215) 444-7470 Dr. Mariya Vengrenyuk, M.D.Philadelphia, PA · $106 in drug and device payments (2025) ·
(215) 728-2276 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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