About Our Providers






Gaetano Matthew Cristalli, DO

family Medicine

Board-certified in family medicine, Dr. Cristalli earned his Doctorate of Osteopathic Medicine at University of New England College of Osteopathic Medicine in Maine and completed a residency in family medicine at Ellis Medicine in Schenectady. Prior to joining Family Medical Group, Dr. Cristalli was in group practice in Troy.

Dr. Ramanathan

Nalini Ramanathan, MD

Family Medicine

Dr. Ramanathan joined Family Medical Group in 2010. She earned her medical degree at Assam Medical College in Dibrugarh, Assam India and completed a residency in family medicine at CentraState Medical Center in Freehold, New Jersey. She looks forward to providing a full range of healthcare services for you and your entire family.


Dr. Yannetti

Kristin N. Yannetti, MD  

Family Medicine

A native of Albany, NY, Dr. Yanetti earned her medical degree from Upstate Medical University in Syracuse, NY, and completed her residency at Scottsdale Healthcare Osborn in Scottsdale, AZ. She joined Family Medical Group in 2010.

Dr. Rebehn

Keith A. Rebehn, MD

Family Practice

Dr. Rebehn joined Family Medical Group in 1998. He earned his Medical Degree at Albany Medical College of Union University in Albany and completed a residency in family practice at St. Clare’s Hospital in Schenectady.

Dr. Rebehn has more than 20 years of experience in medicine and served as an attending physician in the emergency department at Samaritan Hospital prior to joining Family Medical Group.

Dr. Root

Jeffrey R. Root, Ph.D. 


Dr. Root earned his Ph.D. in clinical psychology and a master’s degree in psychology at Pennsylvania State University.

Prior to joining Family Medical Group in 1998, Dr. Root served as principal psychologist and then director at Albany Psychological Associates, PC, in Albany and as a chief psychologist at Samaritan Hospital in Troy.

Dr. Cunningham

Bruce Cunningham, PA

Family Practice

Bruce Cunnigham has 30 years of experience in medicine. He earned his physician assistant certificate at Albany Medical College/Hudson Valley Community College.

Prior to joining Family Medical Group in 1994, Bruce served as director of military medicine at the US Navy Branch Clinic in Ballston Spa and as physician assistant at St. Mary’s Hospital in Troy.



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