David J. Smith, M.D.

Dr. Smith started the practice in 1974 following completion of the newly founded specialty, Family Practice, being Sparrow Hospital’s first Family Practice resident. He received his post graduate training at the University of Michigan and throughout his career has developed a particular interest in diabetes mellitus management (type 2) and preventive health measures. He served in the United States Air Force Air National Guard from 1971-1977 and broadened his educational endeavors by earning a M.Th. degree from Cornerstone University in 2003. Dr. Smith is affiliated with the Capital Chapter of the American Academy of Family Practice, the American Academy of Family Practice, the Ingham County Medical Society, the Michigan State Medical Society, is Board Certified in Family Medicine, and is a member of Phi Kappa Phi Honor Society.

Main Focuses: Family Care, Diabetic Care

Timothy J. Izzo, D.O.

Dr. Izzo joined the practice in 1994. He received his undergraduate education from Michigan State University and his medical training from the College of Osteopathic Medicine, also at MSU. Dr. Izzo is affiliated with the Michigan chapter of the American Academy of Family Physicians, the Michigan Osteopathic Association. and is Board Certified in Family Medicine.

Main Focus: Family Care

Eric G. Smith, M.D.

Dr. Eric Smith joined the practice in 2003. He received his undergraduate education from Hope College in Holland, Michigan and his medical education from Wayne State University in Detroit. Dr. Smith was a member of both Alpha Epsilon Delta, a pre-professional fraternity, and Phi Beta Kappa Honor Society. Dr. Eric Smith is affiliated with the American Academy of Family Practice and the Michigan Academy of Family Practice, and is Board Certified in Family Medicine.

Main Focus: Family Care

Peter C. Miller, M.D.

Dr. Miller joined the practice in August of 2016. He completed his undergraduate education at Grand Valley State University and received his medical degree from Wayne State University’s School of Medicine. Dr. Miller completed his family medicine residency in Grand Rapids, Michigan through Michigan State University. He then moved to Savannah, Georgia where he practiced for seven years before returning home to join Family Medicine of Michigan. He is board certified in family medicine and has an interest chronic disease management.

Main Focus: Family Care

Dr. Ball

Edward D. Ball, D.O.

Dr. Ball joined the practice in June of 2017. He completed his undergraduate education at Northeast Missouri State University (now known as Truman University) and received his medical degree from Kirksville College of Osteopathic Medicine. He completed his internship at Lansing General Hospital. Dr. Ball has provided family practice services to the Grand Ledge community since 1978 with an interest in family care.

Main Focus: Family Care

Jami M. deVarona, MSN, RN, FNP-BC

Jami joined the practice in 2001. She received her undergraduate education from Marquette University, College of Nursing and her Master of Science in Nursing from Michigan State University. Jami is licensed by the State of Michigan as both a Nurse Practitioner and a Registered Nurse. Jami is a member of the Michigan Council of Nurse Practitioners and the Sigma Theta Honor Society of Nursing.

Main Focus: Family Care, Women’s Health

Shannon M. Biergans, MS, MSN, RN, FNP-BC

Shannon joined the practice in 2013. She received her undergraduate education from Michigan State University with a Bachelor’s degree in physiology and a Master of Science in exercise physiology. She completed her Masters of Science in Nursing at Michigan State University. Shannon is licensed in the State of Michigan as a Nurse Practitioner and a Registered Nurse. She is a member of the Michigan Council of Nurse Practitioners and the Michigan Education Association.

Main Focus: Family Care

Chelsea R. Jones, MSN, RN, AGNP-C

Chelsea joined the practice in 2016. She received both her Bachelor of Science in Nursing and Master of Science in Nursing from Michigan State University. She is certified as an Adult-Gerontology Nurse Practitioner, providing individualized care to those over the age of 13. Chelsea is a member of the Michigan Council of Nurse Practitioners, the American Association of Nurse Practitioners, and the Gerontological Advanced Practice Nurses Association. She is especially interested in chronic disease management and patient education.

Tracy Wirth, BSN, MEN, FNP-BC

Tracy Wirth, BSN, MEN, FNP-BC

Tracy joined the practice in July of 2017.  She received her undergraduate education from Ferris State University in 1994.  In 2007, Tracy received her Bachelors Degree in Nursing at Michigan State University.  She completed her Masters of Science in Nursing Michigan State University in 2010.  Tracy is licensed in the State of Michigan as Nurse Practitioner and a Registered Nurse.  Tracy is Board Certified through the American Nurses Credentialing Center with emphasis on Family Practice.

Sandra Brooks, LMSW, CAADC

Sandra is a licensed therapist who has 15 years of experience providing therapy to individuals of all ages. She has experience treating anxiety, depression, and substance abuse.  She helps people of all ages with adjustment to chronic illness, coping with stressful life events and changes, relationship problems and self-esteem issues. She specializes in providing trauma treatment to children using Trauma Focused Cognitive Behavioral Therapy, an evidence based model that helps children or teens, and their parents to recover after a traumatic event.

Graduated From the University of Michigan with Masters in Social Work

Kristin Hamilton, MA, LPC, CAADC

Kris joined the practice in April 2016.  She received her Bachelor of Arts in Psychology from Michigan State University and then completed her Master of Arts in Counseling in 1999 from Oakland University.  Kris is licensed by the State of Michigan as a Licensed Professional Counselor.  She is also a Michigan Certified Advanced Alcohol and Drug Counselor and a certified trainer in suicide intervention.  Kris is a member of the National Board of Certified Counselors and the Michigan Counseling Association.

Main Focus:  Mood Disorders, Addiction

Melissa Gilbert

Office Manager

Nancy Mandeville, RN

Nancy Mandeville, RN

Director of Clinical Operations

Heather Fisher

Executive Assistant

Lisa Ingalls, MA

Clinical Manager

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