medical education faculty

Meet the Faculty

Firelands Regional Medical Center is proud to utilize a diverse faculty that is committed to training our residents to be outstanding family physicians. Learn more about each of our faculty members below.

Reagan E.A. Bristol, DO

Hospice and palliative medicine fellowship faculty

Dr. Bristol

Dr. Bristol has been on the faculty at the hospice and palliative medicine fellowship since 2010. He is a graduate of Kansas City University of Medicine and Biosciences. He completed his traditional rotating internship at Park Lane Medical Center in Kansas City, Mo. and his family medicine residency at Firelands Regional Medical Center. He started his private practice in Sandusky in 2001. Dr. Bristol also serves as co-medical director for Stein Hospice, Inc.

Sara Graham, DO

Hospice and palliative medicine fellowship faculty

Sara GrahamDr. Graham completed her family medicine residency at Firelands Regional Medical Center and became certified in family practice in 2009. She then completed fellowships in geriatrics and HPM at Summa Akron City Hospital with certification in both in 2011. She began working for Stein Hospice in 2013 and is teaching faculty for the HPM Fellowship. Dr. Graham, her husband, Zachary, and daughter live in Sandusky where her husband practices law.

Keri M. Ketvertis, MD

Family medicine/transitional year residency faculty

Kari KetvertisDr. Ketvertis has been on the faculty at the Family Medicine Residency since 2005. She is a graduate of University of Cincinnati College of Medicine and completed her family medicine residency at the University of Pittsburgh Medical Center — St. Margaret in Pittsburgh, Pa. She and her family moved to Sandusky in 2005, where she is employed by NOMS. Dr. Ketvertis has a particular interest in women's health.

Kristopher Lindbloom, DO

Family medicine/transitional year residency faculty

Kristopher Lindbloom

Kristopher Lindbloom, DO, is a hospitalist with Community Hospitalists at Firelands Regional Medical Center. Dr. Lindbloom attended The Colorado College in Colorado Springs, then later chose to attend medical school at Kansas City University of Medicine and Biosciences in Kansas City, MO. Both his medical internship and residency took place at St. Vincent Mercy Medical Center, and Dr. Lindbloom is board certified by the American College of Osteopathic Internists. He resides in Sandusky, Ohio.

Rafik Massouh, MD

Family medicine/transitional year residency facultyRafik Massouh

Board certified in internal medicine, Rafik Massouh, MD, is an adult hospitalist at Firelands Regional Medical Center and is the Medical Director of the Hospitalist Program. He completed his residency in internal medicine at St. Luke’s Medical Center, a teaching hospital of Case Western Reserve University in Cleveland, Ohio. He also holds the position of Chief Medical Officer at Martin Healthcare Group.

Eric E. Mast, DO

Program director, family medicine residency faculty

Eric Mast

Originally from Elkhart, IN, Dr. Mast graduated from Anderson University, then later Ohio University Heritage College of Osteopathic Medicine for medical school. He came to Sandusky in the early 1990s as a third year medical student and has been here ever since. He has been involved with graduate medical education since 2003. His special interests include health policy and preventive medicine, and he says if he weren’t a doctor, he would probably train to be a professional chef. He has been married to his wife, Jody, for 25 years, and they have three children and one Scottish terrier. When not working, Dr. Mast enjoys boating, fitness, and being with family.

Luis L. Perez, DO

Program director, transitional year residency and family medicine residency faculty

Luis Perez

Luis Perez, DO, is the transitional year program director and family medicine residency faculty. He does not really have a home town, but was originally a Spanish citizen who grew up in Panama. He came to the US to attend Marquette University in Milwaukee where he studied mechanical engineering.  After becoming a U.S. citizen in 2003, he later attended Ohio University Heritage College of Osteopathic Medicine for medical school. Dr. Perez has been married to his wife for almost 20 years, and they have four children. If he weren’t a doctor (and married), he would probably be a Jesuit priest. He enjoys spending time with his children, reading non-fiction books, and playing classical guitar.

Nicholas Pfleghaar, DO

Family medicine residency faculty

Nicholas Pfleghaar

Nicholas Pfleghaar, DO is a faculty member with the family medicine residency. From Rossford, OH, Dr. Pfleghaar attended Bowling Green State University, then later Ohio University Heritage College of Osteopathic Medicine for medical school. He says that he’s most interested in the variety that comes with the field of family medicine. He and his husband are expecting twins, and also have a pet Dalmatian. When he’s not working, he enjoys traveling, boating, and real estate.

James E. Preston, DO 

CORE assistant dean; program director, hospice and palliative medicine fellowship

James Preston

James Preston, DO is the hospice and palliative medicine fellowship program director and CORE assistant dean at Firelands Regional Medical Center. A native of Evansville, IN, Dr. Preston graduated from Indiana State University, then Kansas City College of Osteopathic Medicine for medical school. He practiced family medicine for 23 years in Sandusky, and then spent 14 years focusing on hospice and palliative medicine. He is the former Director of Medical Education at Firelands – a position he held for 17 years. He was also Assistant Dean at Ohio University Heritage College of Osteopathic Medicine for 23 years. Dr. Preston has been married to his wife, Kathy, for 45 years, and has three adult children and six grandchildren. He enjoys family time, boating, shooting, and martial arts.

John F. Ramey, DO

Family medicine residency faculty

John Ramey

Dr. Ramey has been a member of the faculty at the family medicine residency since 2007. He is a graduate of Ohio University Heritage College of Osteopathic Medicine. He completed his internship at Firelands Regional Medical Center. He serves as the director for the Kelleys Island clinic, and he is also the medical director at the Ohio Veterans Home in Sandusky. Dr. Ramey is also the 2012–2013 president of the Ohio Osteopathic Association.

Larry E. Robinson, DO

Hospice and palliative medicine fellowship faculty

Larry Robinson

Dr. Robinson is board certified in family practice. He was given the Arnold P. Gold Humanism and Excellence in Teaching Award in 2006. He began his private family practice in Sandusky in 2008, and then began full-time with Stein Hospice in 2010. He achieved his certification in HPM in 2011. He is teaching faculty of the Firelands Regional Medical Center/Stein HPM Fellowship. Dr Robinson, his wife, Emily, and four children live in Sandusky.