Dr. George W. Heffner

Ryan Zimmerman is a primary care provider, practicing in Internal Medicine in West Reading, Pennsylvania. Dr. Zimmerman is rated as an Advanced provider by MediFind in the treatment of Small Cell Lung Cancer (SCLC). His top areas of expertise are Small Cell Lung Cancer (SCLC), Childhood Iron Deficiency Anemia, Cardiomyopathy, and Pleurisy.

Christopher Martin is a primary care provider, practicing in Internal Medicine in Phoenixville, Pennsylvania. Dr. Martin is rated as a Distinguished provider by MediFind in the treatment of Small Cell Lung Cancer (SCLC). His top areas of expertise are Ogilvie Syndrome, Heart Attack, Sepsis, Colonoscopy, and Endoscopy.

Sorab Gupta, MD, is a triple board-certified hematologist/oncologist who treats various malignancies including gastrointestinal cancer, lung cancer, breast cancer and cancers of the genitourinary tract, along with other solid and hematological malignancies. He also treats patients with various benign blood disorders such as anemia and issues with platelets and coagulation. Dr. Gupta is skilled in performing bone marrow biopsies to diagnose bleeding disorders.|To Dr. Gupta, practicing medicine is a wonderful opportunity to serve people and give back to society. Being able to help his patients is what keeps him going and inspires him to come to work each day. “I love the interaction between patient and doctor and the bond that develops because of it,” he says. A souvenir he received from former colleagues says it all: May your days ahead be as uplifting as the daily inspiration you shared with our team and patients.|Originally from India, Dr. Gupta earned his medical degree from Government Medical College and Hospital Panjab University. After completing a residency in India, he moved to the United States to complete an internal medicine residency at St. Barnabas Healthcare Network in the Bronx. He went on to complete a hematology and medical oncology fellowship at Einstein Healthcare Network in Philadelphia.|Dr. Gupta is a member of the American Society of Hematology and the American Society of Clinical Oncology. He has over 65 peer-reviewed publications to his name.|In his spare time, Dr. Gupta enjoys spending time with friends and family. He likes to travel and meet new people, listen to music and watch movies. He appreciates the beauty of the mountains and is happy to be living in a less urban environment than where he trained and worked before coming to Geisinger. Dr. Gupta is rated as an Advanced provider by MediFind in the treatment of Small Cell Lung Cancer (SCLC). His top areas of expertise are Pleuropulmonary Blastoma, Lung Cancer, Small Cell Lung Cancer (SCLC), and Posterior Fossa Tumor.