Our Physicians and Staff

Northeast GI's board certified and highly trained physicians are here to help diagnose and manage any GI symptoms.

Meet our doctors

Our physicians are highly trained to diagnose and treat various digestive diseases and disorders including peptic ulcer disease, gastroesophageal reflux disease, swallowing disorders, Barrett’s Esophagus, gastrointestinal bleeding, colorectal cancer, colitis, diseases of pancreas, biliary system and various kinds of liver conditions.

We are committed to the well being of all of our patients and strive to provide the highest quality of care available. We believe in personalized care tailored to the needs and wants of each patient. To learn more about our GI treatments and services, please visit Services.

Equipped with cutting edge technology, our state-of-the-art office and surgi-center are designed to allow us to provide the best care available with the highest level of comfort. We strive to exceed your expectations of medical expertise, care, attention, kindness and privacy.

Dr. Mark L. Bierhoff M.D.

Dr. Mark L. Bierhoff

Gastroenterology and Hepatology (certified)

Medical School: UMDNJ - New Jersey Medical School, Newark NJ

Internship: Medical College of Pennsylvania

Residency: Medical College of Pennsylvania

Fellowship: Temple University School of Medicine, Phila., PA

Lawrence B. Grossman, M.D.

Lawrence B. Grossman, M.D.

Gastroenterology and Hepatology (certified)

Medical School: Temple University School of Medicine, Phila., PA

Internship: University of Pittsburgh Medical Center

Residency: University of Pittsburgh Medical Center, Pittsburgh, PA

Fellowship: Temple University Hospital

Our staff

Northeast GI Office Staff
Northeast GI Management Staff
Northeast Gastroenterology Office Staff

Northeast Gastroenterology office staff is there to meet your every need. With years of medical experience under their belts you are sure to have a pleasant experience at your visit. All procedures are scheduled individually with one of our staff who will take the time to pick the best date for the patient. Once your date is chosen, a member of our staff will explain all important instructions and answer any questions you may have.

Schedule an appointment

Patient Resources

Interested in learning more about particular health topics or procedures? Visit our Resources section for more information and links to authoratative health information sites.

Patient Resources

Existing Patients

Schedule your next appointment online, refill a prescription, communicate with our office staff, or view your balance through our secure Patient Portal.

Patient Portal

Our affilations