Dr. Jeffrey Leflein, MD

Expert Publications

• Nebulized budesonide inhalation suspension compared with cromolyn sodium nebulizer solution for asthma in young children: results of a randomized outcomes trial.
• Safety features of budesonide inhalation suspension in the long-term treatment of asthma in young children.

Media Releases

Get to know Allergist & Immunologist Dr. Jeffrey Leflein, who serves patients throughout the State of Michigan.

A board-certified allergist & immunologist, Dr. Leflein is affiliated with Allergy & Immunology Associates of Michigan. 

Established in 1984, Allergy & Immunology Associates of Michigan provides allergy treatment and immunology services in Michigan, with locations in Ann Arbor, Bingham Farms, Brighton, Canton Center, Ann Arbor West, Chelsea, and Novi.

Graduating with his medical degree from the Ross University School of Medicine, Dr. Leflein completed his internship and residency in pediatrics at the University of Medicine and Dentistry of New Jersey and Children’s Hospital in Newark, New Jersey. His fellowship in pediatric allergy & immunology was completed at the National Jewish Center for Immunology and Respiratory Medicine in Denver, Colorado.

Following his training, the doctor attained board certification in allergy & immunology through the American Board of Allergy and Immunology (ABAI). The mission of the ABAI is to improve the quality of medical care by the development and utilization of professional and educational standards for the initial certification and maintenance of certification of physician specialists in allergy and immunology.

Furthermore, he is board-certified in pediatrics by the American Board of Pediatrics (ABP). The mission of the ABP is to advance child health by certifying pediatricians who meet standards of excellence and are committed to continuous learning and improvement.

In his professional experience, Dr. Leflein has been in a hospital based private practice and staff allergist at St. Joseph Mercy Hospital in Ann Arbor, Michigan. He is also on staff at Chelsea, Beaumont, Botsford, Providence, and Oakwood Hospitals.

The principal investigator on numerous clinical trials researching asthma, allergic rhinitis, and atopic dermatology, he continues to be actively involved in clinical research through his research center, Respiratory Medicine Research Institute of Michigan.

Allergy and immunology involve the management of disorders related to the immune system. These conditions range from the very common to the very rare, spanning all ages and encompassing various organ systems. An allergist / immunologist is a physician specially trained to diagnose, treat, and manage allergies, asthma, and immunologic disorders, including primary immunodeficiency disorders.

Recognized as a Top Doctor by Castle Connolly Magazine, Dr. Leflein has been the recipient of the Top Doc Award by Hour Magazine (2014, 2013, 2012), Patients’ Choice Award (2015, 2014, 2013, 2012), Compassionate Doctor Recognition (2013, 2012, 2011), and Top 10 Doctor – State (2014).

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