(219) 987-7750 | 519 N. Halleck Street | DeMotte, Indiana 46310 leestmamedclinic@gmail.com

Leestma Healthcare Staff

Our Mission

Leestma Healthcare exists to provide compassionate, patient-centered healthcare of the highest quality. We strive for efficiency and convenience for our patients.

Eric Leestma, D.O. | Doctor

Dr. Eric Leestma graduated from Dordt College in Sioux Center, Iowa with a bachelor’s degree in science in 1974. He then attended the Chicago College of Osteopathic Medicine at Midwestern University where he graduated with his D.O. (Doctor of Osteopathic Medicine) degree in 1978.

Dr. Leestma then went on to complete his post-doctoral training with an internship at the Chicago Osteopathic Hospital in Olympia Fields, Illinois in 1979. From there, Dr. Leestma joined Porter County Physicians of Valparaiso, Indiana, and worked there from 1979-1982. In 1982 Dr. Leestma founded Leestma Healthcare in DeMotte, Indiana and has served DeMotte and the surrounding community ever since.

Dr. Leestma is board-certified by the American Osteopathic Board of General Practice. He is a member of the American Osteopathic Association, the American College of Osteopathic Family Physicians, and the Indiana Osteopathic Association.

Dr. Leestma has enjoyed serving DeMotte over the years. “It’s been a privilege being a part of the DeMotte community for the past 33 years. I raised a family here and made many friends.”

Dr. Leestma is proud to have his son join him in the practice and looks forward to the future of Leestma Healthcare. Dr. Leestma is on staff at Pinnacle Hospital in Crown Point, Indiana. He lives with his wife Barbara in Northwest Indiana.

Special interests: men’s health, Osteopathic manipulation, chronic disease management.

Leestma Healthcare staff
Leestma Healthcare staff
Leestma Healthcare staff

Micah Leestma, D.O. | Doctor

Dr. Micah Leestma received his bachelor’s degree in biological sciences from Purdue University in 2007. From there he attended the Chicago College of Osteopathic Medicine at Midwestern University where he received his D.O. (Doctor of Osteopathic Medicine) degree in 2011. Dr. Leestma completed his internship at MacNeal Hospital in Berwyn, IL in 2012, and then continued his post-doctoral training with a residency in family medicine at MacNeal hospital. He completed his residency in 2014, and has been with Leestma Healthcare since then.

He is board certified in family medicine by the American Osteopathic Board of Family Physicians and the American Board of Family Medicine. He is a member of the American Academy of Family Physicians and the American College of Osteopathic Family Physicians, as well as the Indiana Osteopathic Association. Dr. Leestma enjoys all aspects of patient care in family medicine.

“The reason I enjoy family medicine is that I have the opportunity to care for patients of all different ages with a wide variety of health needs.”

He also has a special interest in preventative medicine and dermatology. Dr. Leestma lives in Northwest Indiana with his wife Debbie and their two children William and Lucia.

Special interests:  preventative medicine, Osteopathic manipulation, chronic disease management.

Sharon Johnson, FNP-C | Board Certified Family Nurse Practitioner

Patient Emphasis: Prevention, education, and treatment of illnesses/diseases of families across the lifespan. This includes special focus on women’s health screenings and care.

Sharon attended Purdue University for her Master’s Degree in Science and Nursing in the track of Family Nurse Practitioner. Her Bachelor of Science in Nursing was earned at Trinity Christian College. Currently Sharon is working on completion of SANE-A and SANE-P certifications in order to help victims of physical abuse and sexual assault. She is board certified as a Nurse Practitioner through the American Nursing Credentialing Center since 2003.

Certifications: ANCC, TNCC, ENPC, CPFT, Medical Examiner CDL, BCLS

Professional Organizations: Coalition of Advanced Practice Nurses of Indiana (CAPNI), Society of Nurses in Advanced Practice (SNAP), American Academy of Nurse Practitioners, and Sigma Theta Tau.

Adam Leestma, FNP-C | Board Certified Family Nurse Practitioner

Adam Leestma

Adam Leestma received his bachelor of science in nursing from Purdue University and his Masters in nursing from South University.  He is a member of the American Association of Nurse Practitioners.  Adam is interested in working with patients across the lifespan and focusing on preventative medicine.  He is particularly concerned with helping patients to manage their long-term illnesses.  Adam feels that it is important to work closely with patients to treat the whole person, and not just the disease.

“I am excited to have this opportunity to work with my family and to serve the community I grew up in”.

Adam lives in northwest Indiana with his wife Charissa and their 4 children, Maya, Nolan, Paige, and Corrine.