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Hospital Affiliation

Emory Decatur, Piedmont Rockdale, Piedmont Newton, Piedmont Henry, and Northside Hospital


Dr. Simpson is a board-certified medical oncologist and hematologist with expertise in treating solid tumors and blood cancers. He completed training in internal medicine at the Advocate Illinois Masonic Medical Center and was a fellow in oncology and hematology at the Mayo Clinic.
Dr. Simpson has conducted cancer research and presented extensively at professional conferences. He is a member of the Northside Hospital Research Advisory Committee.


Board Certification: Medical Oncology and Hematology

Clinical Fellowship: Mayo Clinic, Rochester Minnesota, Hematology and Medical Oncology 2005-2008

Chief Residency: Advocate Illinois Masonic Medical Center, Internal Medicine, 2004-2005

Internship and Residency: Advocate Illinois Masonic Medical Center, Internal Medicine, 2001-2004 Golden Stethoscope Award 2004 

Medical School: All India Institute Of Medical Sciences, New Delhi, 1993-1999 Honors and Gold Medalist 

Hospital Affiliations:Southern Regional Medical Center, Dekalb Medical Center, Henry county Hospital and Rockdale Hospital

Education & Training


Mayo Clinic – Hematology/Oncology


Advocate Illinois Masonic Medical Center – Internal Medicine

Medical School

All India Institute of Medical Sciences

Research & Clinical Trials

Dr. Simpson is the Principle Investigator (PI) for the following clinical trial:

Northside Hospital researchers and Atlanta Cancer Care physicians work alongside respected industry partners and nationally recognized clinical trial networks to provide you with access to the latest treatments and prevention methods being tested through clinical trials.

Professional Memberships

  • American Society of Clinical Oncology
  • Georgia Society of Clinical Oncology
  • American Society of Hematology


Dr. Simpson has published numerous articles which outline his research in colorectal, genitourinary, hematologic cancers and melanoma.

Clinical Interests

  • genitourinary and gastrointestinal cancers

Honors & Awards

  • Voted “TOP DOC” by Atlanta Magazine in 2017
  • Golden Stethoscope Award, 2004

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