A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
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Specialties & Research
Dr. Mark Friedman, MD is board certified in Internal Medicine and Gastroenterology.
- He has special expertise in 5 areas:
- Acid Reflux Disease (Gastroesophageal Reflux / GERD)
- Hepatitis C
- Irritable Bowel Syndrome (IBS)
- Ulcerative Colitis
Education & Awards
Dr. Friedman graduated from New York University.
Dr. Friedman has 8 hospital affiliations:
- Ny Hospital Medical Ctr Of Queens,The
- University Hospital of Brooklyn at Long Island Hospital
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- Additional Information
- Dr. Mark Sander Friedman MD is a male Internist, has 35 years of experience and practices in Internal Medicine and Gastroenterology.
- Where does Dr. Mark S. Friedman practice?
- Dr. Mark Friedman has 6 office locations.
Dr. Mark Friedman practices Internal Medicine and Gastroenterology near Forest Hills, NY.
Additional practice locations include: Fresh Meadows, NY and New Hyde Park, NY.
See Forest Hills Internists and Forest Hills Gastroenterologists.