Internal Medicine

What is Internal Medicine?

Internal medicine focuses on adult diseases. Affinity's nine board-certified internists spent at least three of their seven or more years of medical school and postgraduate training dedicated to learning how to prevent, diagnose, and treat diseases that affect adults.

Physicians

Channing Hampton, M.D.

Channing Hampton, M.D.
  • Specialty:  Internal Medicine
  • Board Certifications:  American Board of Internal Medicine
  • Medical School:  Morehouse School of Medicine, Atlanta, GA
  • Residency:  Memorial Health University Medical Center, Savannah, GA

Steven W. Rigdon, M.D.

Steven W. Rigdon, M.D.
  • Specialty: Internal Medicine
  • Board Certification: American Board of Internal Medicine
  • Medical School: Emory University School of Medicine, Atlanta, Georgia
  • Residency: Internal Medicine, Charlotte Memorial Hospital, Charlotte, North Carolina

Raymond Moreno, M.D.

Raymond Moreno, M.D.

• Specialty: Internal Medicine
• Board Certifications: American Board of Internal Medicine
• Medical School:  Georgia Health Sciences University
• Residency:  Internal Medicine, Tampa General Hospital

Brittney Berckman, M.D.

Brittney Berckman, M.D.
  • Specialty: Internal Medicine
  • Board Certification: American Board of Internal Medicine
  • Medical School: Mercer University
  • Residency: Memorial Health University Medical Center

Alpa Ray, M.D.

Alpa Ray, M.D.
  • Specialty: Internal Medicine 
  • Board Certification: Certified by the American Board of Internal Medicine
  • Medical School: UNIBE/Dominican Republic 
  • Residency: Internal Medicine, Overlook Hospital, Summit, New Jersey
  • Internship: Family Medicine in Osteopathic Program, St. John's Episcopal Hospital, Far Rockaway, New York
  • Additional Training: Fluent in English, Hindi, Gujarati, conversational/patient care Spanish

Joseph M. Turner, M.D., F.A.C.P

Joseph M. Turner, M.D., F.A.C.P
  • Specialty: Internal Medicine - Emeritus
  • Board Certification: American Board of Internal Medicine
  • Medical School: Medical College of Georgia School of Medicine, Augusta, Georgia
  • Residency: Internal Medicine, Grady Memorial Hospital, Atlanta, Georgia
  • Fellowship: Emory University, One-Year Non-Invasive Cardiac Fellowship
  • Special Interests: Interpretation of Special Non-Invasive Cardiac Studies; Retired from Personal Patient Management

Richard E. McCullough, M.D.

Richard E. McCullough, M.D.
  • Specialty: Internal Medicine
  • Board Certification: American Board of Internal Medicine
  • Medical School: Medical College of Georgia School of Medicine, Augusta, Georgia
  • Residency: Internal Medicine, Memorial Medical Center, Savannah, Georgia

Cameron D. Nixon, M.D.

Cameron D. Nixon, M.D.
  • Specialty: Internal Medicine
  • Board Certification: American Board of Internal Medicine
  • Medical School: University of Alabama School of Medicine, Birmingham, Alabama
  • Residency: Internal Medicine, Baptist Health Systems, Birmingham, Alabama

Margaret Richardson-Nixon, M.D.

Margaret Richardson-Nixon, M.D.
  • Specialty: Internal Medicine
  • Board Certification: American Board of Internal Medicine
  • Medical School: University of Alabama School of Medicine, Birmingham, Alabama
  • Residency: Internal Medicine, Baptist Health Systems, Birmingham, Alabama

Cynthia Loraine Sumner, M.D.

Cynthia Loraine Sumner, M.D.
  • Specialty: Internal Medicine
  • Board Certification: American Board of Internal Medicine
  • Medical School: Mercer University School of Medicine, Macon, Georgia
  • Residency: Internal Medicine, Mercer University School of Medicine, Medical Center of Central Georgia, Macon, Georgia
  • Special Interests: Geriatrics and Preventative Medicine