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
Edward D. Ball, DO
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
Elizabeth C. Paine, DO
Dr. Paine joined the practice in 2019. She received her undergraduate education from the University of Buffalo and received her medical degree from Lake Erie College of Osteopathic Medicine. She completed her residency training in the rural community of East Liverpool, Ohio before moving to Michigan. She is board eligible in internal medicine and expects to be board certified in spring of 2020. She is affiliated with the American College of Osteopathic Internists and has an interest in both hospital and clinic based medicine.
Robyn D. Messing, DO
Dr. Messing joined the practice in February of 2019. She is board certified in Family Medicine and OMT. She joins Family Medicine of Michigan with augmented and extended experience in treating skin diseases and skin care. She has been practicing for 13 years in the Lansing area. Dr. Messing completed her undergraduate degree and medical degree at Michigan State University. She is affiliated with the American Osteopathic Association and the American Academy of Family Practice.
Main Focus: Skin Disease, Skin 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
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.
Maria Thelen RN, BSN, PA-C
Maria joined the practice in August 2022. She received her undergraduate education from Ferris State University, receiving her Associate of Science with a major in Nursing in 1998, and Bachelor of Science in Nursing in 1999. She completed her Master of Science with a major as a Physician Assistant from the University of Detroit Mercy in 2004. She has worked as a Certified Physician Assistant in Family Medicine since 2004. Maria is licensed by the State of Michigan as a Registered Nurse and Physician Assistant. She is certified by the National Commission on Certification of Physician Assistants. She is a member of the American Academy of Physician Assistants.
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
Elizabeth T. Stoumbos, LMSW
Liz joined the practice in 2019. She graduated from Western Michigan University with her Masters in Social Work. She is a licensed therapist with over 10 years of experience providing therapy to individuals of all ages. Her professional experience includes grief and loss, life changes and adjustments, depression, anxiety, self-esteem, anger management, play therapy, and domestic violence. Liz specializes in providing treatment for trauma, attachment and bonding, adoption, parenting, and crisis intervention.
Kelsie L. Barnhart, LMSW
Kelsie graduated with her Masters in Social Work from Michigan State University and has experience in both inpatient and outpatient settings providing therapy for depression, anxiety, and substance use with individuals of all ages. She is certified in Dialectical Behavior Therapy for adolescents and specializes in attachment-based play therapy for children with behavioral challenges, adjustment disorders, trauma, and emotional dysregulation. Kelsie also uses a cognitive behavioral approach for individuals struggling with self-esteem, body image, eating disorders, and nutritional imbalances.
Lisa Ingalls, MA