Dr. Leo ToomajianDO

Internal Medicine

at Leo R. Toomajian, DO — Shelby Township, MI

About

Dr. Leo Toomajian earned his Bachelor of Science in Kinesiology from the University of Michigan in 1992. He went on to complete his Doctorate of Osteopathic Medicine at Des Moines University in 1997. His internship took place at William Beaumont Hospital in Farmington Hills, Michigan. He then completed his Internal Medicine residency at MetroHealth Hospital in Cleveland, Ohio, finishing in 2001. He holds board certification from the American Osteopathic Board of Internal Medicine.

Dr. Toomajian has served the Macomb County area for more than 25 years. He serves as a Clinical Assistant Professor at Michigan State University College of Osteopathic Medicine, a role he has held since 2009. He sits on the Medical Executive Committee and the Leadership Selection Committee at Henry Ford Macomb Hospital, and he joined the Board of Directors for Henry Ford North Market in 2022. Growing up as an athlete shaped his passion for health and wellness. He focuses on nutrition, preventive care, and helping patients live not just longer but more fully. His guiding philosophy is simple: he treats every patient with the same care and compassion he would give a family member.

Education & Training

Undergraduate

University of Michigan - Bachelor of Science, Kinesiology, 1992

Medical School

Des Moines University - Doctorate of Osteopathic Medicine, 1997

Residency

MetroHealth Hospital, Cleveland, OH - Internal Medicine, 1998-2001

Additional Training

Internship: William Beaumont Hospital, Farmington Hills, MI, 1997-1998; Clinical Assistant Professor, Michigan State University College of Osteopathic Medicine, since 2009

Certifications

American Osteopathic Board of Internal Medicine

Conditions Treated

hypertension
diabetes
cardiovascular disease
metabolic disorders
thyroid disorders
chronic disease management
preventive health

Who is Dr. Toomajian right for?

Dr. Toomajian is a strong fit for adults who want a proactive, prevention-focused approach to primary care. Patients with an interest in nutrition, longevity, and optimizing long-term health align well with his clinical focus. Those managing chronic conditions benefit from his 25-plus years of internal medicine experience. Anyone who values direct physician access and thorough annual screenings will feel at home in his practice.

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Frequently Asked Questions

Dr. Toomajian specializes in internal medicine and preventive medicine. His clinical focus includes nutrition, wellness, and longevity. He emphasizes catching and addressing health risks early rather than managing illness after the fact.

Yes. Dr. Toomajian holds board certification from the American Osteopathic Board of Internal Medicine. He earned his Doctorate of Osteopathic Medicine from Des Moines University and completed his residency at MetroHealth Hospital in Cleveland.

Dr. Toomajian has practiced in the Macomb County area for more than 25 years. He has deep roots in the local community and maintains hospital affiliations at Henry Ford Macomb Hospital and Alliance Health-Macomb.

Yes. When members require hospital care, Dr. Toomajian sees them personally. His affiliations with Henry Ford Macomb Hospital and Alliance Health-Macomb provide strong local support for inpatient needs.

Dr. Toomajian treats every patient with the same care and compassion he would give a family member. His approach prioritizes prevention, nutrition, and helping patients live more fully. He focuses on root causes and long-term wellness rather than reactive treatment alone.

Yes. Since 2009, Dr. Toomajian has served as a Clinical Assistant Professor at Michigan State University College of Osteopathic Medicine. He also sits on the Medical Executive Committee and Leadership Selection Committee at Henry Ford Macomb Hospital, and he joined the Board of Directors for Henry Ford North Market in 2022.

Dr. Toomajian delivers comprehensive health screenings and advanced diagnostic testing through the MDVIP Wellness Program. These services go well beyond what standard preventive care typically includes, giving patients a more detailed picture of their health.

Dr. Toomajian earned his undergraduate degree in Kinesiology from the University of Michigan, then his Doctorate of Osteopathic Medicine from Des Moines University. He completed his internship at William Beaumont Hospital in Farmington Hills and his Internal Medicine residency at MetroHealth Hospital in Cleveland, Ohio.

Doctor profile last updated March 21, 2026