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).
Learn more about Dr. Leonard Feldman:
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Specialties & Research
Dr. Leonard Feldman, MD is board certified in Internal Medicine and Pediatrics.
- He has special expertise in 4 areas:
- Acid Reflux Disease (Gastroesophageal Reflux / GERD)
- Esophageal Achalasia
- Kidney Transplant (Renal Transplant)
Education & Awards
Dr. Feldman graduated from University of Maryland , Baltimore.
Dr. Feldman has 4 hospital affiliations:
- The Johns Hopkins Hospital
- Johns Hopkins Geriatrics Center
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- Additional Information
- Dr. Leonard Samuel Feldman MD is a male Internist, has 12 years of experience and practices in Internal Medicine and Pediatrics.
- Where does Dr. Leonard S. Feldman practice?
- Dr. Leonard Feldman has 3 office locations.
Dr. Leonard Feldman practices Internal Medicine and Pediatrics near Baltimore, MD.
Additional practice locations include: Raleigh, NC.
See Baltimore Internists and Baltimore Pediatricians.