Mackinaw Trail Pediatrics

Specialists in Children's Healthcare

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Dr. Betts-Barbus graduated from Michigan State University College of Human Medicine. She completed her Pediatric Residency at the University of Michigan in Ann Arbor.  She and her family have lived in Cadillac since 1986.  She is Board Certified in Pediatrics and is a member of the American Academy of Pediatrics and the Michigan State Medical Society.

  Dr. Susan Betts-Barbus

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Dr. Herring graduated from the University of Michigan Medical School.  He completed his Pediatric Residency at the University of Michigan Children's Hospital.  He and his wife have lived in Cadillac since 1990.  He is Board Certified in Pediatrics and is a member of the American Academy of Pediatrics and the Michigan State Medical Society

Dr. Gerald Herring

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Dr. Rzepka-Alto graduated from the University of Michigan Medical School.  She completed her Pediatrics Residency at the University of Michigan in Ann Arbor.  She is a native of Cadillac and graduated from Cadillac High School.  She is Board Certified in Pediatrics and is a member of the American Academy of Pediatrics and the Michigan State Medical Society.

Dr. Elizabeth Rzepka-Alto

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Dr. Trucks graduated from the Michigan State University College of Human Medicine and completed her Pediatric Residency at Wayne State University in Detroit. She is a native of Reed City and graduated from Reed City High School.  She is Board Certified in Pediatrics and is a member of the American Academy of Pediatrics and the Michigan State Medical Society.

Dr. Angela Trucks

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Dr. Santangelo graduated from Case Western University School of Medicine. She completed her Pediatric Residency at Cincinnati Childrens Hospital Medical Center in Cincinnati Ohio. She is board Certified in Pediatrics and fellow American Academy of Pediatrics and the Michigan State Medical Society. She, her husband and three children are enjoying life in Cadillac and taking advantage of all the activities that Northern Michigan has to offer.

Dr. Megan Santangelo

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Dr. Joe Santangelo graduated from Case Western University School of Medicine. He completed his Residency at Children's Hospital Medical Center in Cincinnati,Ohio. He is board Certified in Pediatrics and is a Fellow of the American Academy of Pediatrics. He is also a member of the Michigan State Medical Society.

Dr. Joseph Santangelo

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Dr. Dietrich graduated from Michigan State University College of Human Medicine.  She completed her Pediatric Residency at Helen DeVos Children's Hospital in Grand Rapids Michigan.  She, her husband and 2 children just moved to Cadillac and are enjoying what the area has to offer.

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Mary graduated from Michigan State University School of Nursing. She has a Clinical Masters Degree in Nursing and is Certified as a Family Nurse Practitioner. She has over thirty years experience in nursing including acute care and community health. She and her family have lived in Cadillac since 1979.


Dr. Cecilia Dietrich

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Betsy graduated from Central Michigan University Physician Assistant Program. She has a Bachelor Degree in Science, majoring in health fitness in preventative and rehabilitative programs. She is NCCPA board certified and is a member of the American and Michigan Academy of Physician Assistants. She is a native of Marion and graduated from Marion High School.

Betsy Krchmar PA-C

Mary Blackmer MSN, FNP