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About Me

Conditions I specialize in
  • Family Medicine

John Merling, MD, joined Wilmington Medical
Associates Inc. in 1990.
Dr. Merling recently retired from Obstetrics after
35 years and performing thousands of deliveries.
He continues in Family Medicine with a focus
on women’s health and pediatric patient care.
He appreciates the trust our patients place on
Wilmington Medical providers in taking care of
themselves and their entire families.
Dr. Merling lives in Wilmington with his wife, Dr. Mary
Ann Merling. They raised nine children and have
three grandchildren. He enjoys camping and served
more than 15 years as a Cub Scout leader. His
interests include history, especially collecting World
War II memorabilia.

Practice Focus
• Comprehensive care for all ages, newborn through geriatrics
• Well care visits and annual physicals
• Preventive medicine
• Health-risk assessments
• Immunizations and screening tests
• Diagnosis and treatment of acute illness
• Management of chronic conditions, including diabetes and
heart disease
• Annual and sports physicals
• Weight management
• Lifestyle medicine
• Mental health, including depression and anxiety
• Palliative care
• Women’s health

Locations I practice at

Slide 1 of 1
  • 1
    TriHealth Physican Partners - Wilmington
  • Education

    • Franciscan Medical Center - Dayton | Residency, 1990

    Ratings and Reviews

    The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
    4.8 / 5 (44 ratings, 6 comments)
    Comments from patients
    • 5 / 5
      Excellent service as usual!
      Reviewed May 02, 2025
    • 5 / 5
      Dr. Merling and all at this office have always been amazing! Kind, caring, helpful, and clean.
      Reviewed April 04, 2025
    • 5 / 5
      Dr. Merlin's is an excellent doctor
      Reviewed March 20, 2025
    • 5 / 5
      He's great!!
      Reviewed March 16, 2025
    • 5 / 5
      Dr. Merling never disappoints. His addresses all needs.
      Reviewed March 15, 2025
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