portrait of Marianne Sanchez, MD | Alpharetta Internal Medicine

Marianne Sanchez, M.D.











Castle Connolly Top Doctor





Marianne Sanchez, M.D. has been selected as a 2022 Castle Connolly Top Doctor. Through a rigorous research process, only a hand-selected few have been awarded Top Doctor status. It is quite an honor to have been chosen by Castle Connolly Top Doctor.



Office Address:

Cumming Internal Medicine
950 Sanders Road
Cumming, GA 30041
(770) 475-2377 phone
(770) 442-0193 fax

Undergraduate Education:

  • Royal, Major and Pontifical University of San Francisco 1990-1997

Medical Education:

  • Internal Medicine Residency Program
  • Atlanta Medical Center – Atlanta, GA 2000 – 2003


  • Pre-graduate Internship, Bolivian – Japanese Gastroenterological Institute 1993-1995

Board Certification and Licensure:

  • American Board of Internal Medicine 2003, 2013

Affiliated Hospitals

  • North Fulton Regional Hospital
  • Northside Hospital
  • Northside Forsyth Hospital

Work History:

  • Cumming Internal Medicine, 2008 – Present
    950 Sanders Road
    Cumming, GA 30041

Interests, Hobbies, Personal:

Dr. Sanchez and her husband have 3 children. She keeps herself busy with the PTA. Dr. Sanchez is fluent in English, Spanish and Portuguese as well as knowledge of Sign Language.


Castle Connolly Top Doctor




The Castle Connolly recognition in medicine is considered by physicians to be the only legitimate recognized category of excellence in American medicine. The Castle Connolly Top Doctor selection process is entirely merit-based. Doctors cannot pay to be listed on Castle Connolly.