Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. John William Merling, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1457313843

Dr. John William Merling, MD is a Family Practice in Wilmington, Ohio. Graduated from University of Cincinnati College of Medicine in 1987, 39 years ago. Practices with Trihealth G LLC, a 295-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
39
Trained at
University of Cincinnati College of Medicine
Licensed in
OH
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1184 W Locust St
Wilmington, OH 45177-2009
Phone: (937) 382-1616
Fax: (937) 382-7877
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 35057225 (OH)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 35.057225 (OH)

Record details

NPI number1457313843
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 3, 2006
Last updated in NPPESNovember 1, 2020
Certification dateNovember 1, 2020
Mailing address1184 W Locust St, Wilmington, OH 45177-2009

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Also practisesOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 1987 (39 years in practice)
Group practice Trihealth G Llc — 295 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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