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Robert C. Greenwell, Jr., M.D.
  • Undergraduate: Mount St. Mary's College, B.S., 1980
  • Medical: University of Maryland School of Medicine, M.D., 1985
  • Internship/Residency: Mercy Medical Center, 1985-1987
  • Chief Resident in Medicine: Mercy Medical Center, 1987-1988
  • Nephrology fellowship: The Johns Hopkins University School of Medicine and The Francis Scott Key Medical Center, 1988-1990
  • Board Certified: Internal Medicine 1988, Nephrology 1990; Recertified Nephrology, 2000
  • Private Practice: Drs. Carey, Chintrisna, Turer, Greenwell, & Behrens, P.A., 1990-1999
  • Private Practice: Mid-Atlantic Nephrology Associates, P.A., 1999-present
  • Chief of Nephrology: Mercy Medical Center
  • President: Medical Staff, Mercy Medical Center
  • Housestaff Physician Teacher of the Year, Mercy Medical Center, 1995, 1998, 2000
  • Clinical Associate: University of Maryland School of Medicine
  • Medical Director: DaVita Mercy Dialysis Center

Dr. Greenwell sees patients at the following locations:

  • Rosedale
  • Mercy Hospital


Dr. Greenwell is affiliated with GBMC, Howard County General, Medstar Franklin Square Medical Center, Mercy Medical Center, and UMMC Midtown Campus (Maryland General).

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