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

Dr. John T Harlan, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1427001866

Dr. John T Harlan, MD is an Obstetrics/Gynecology in Oxford, Ohio. Graduated from Ohio State University College of Medicine in 1987, 39 years ago. Practices with Trihealth Physicians of Indiana Inc, a 9-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
39
Trained at
Ohio State University College of Medicine
Licensed in
OH
In the registry since
2006
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

5225 Morning Sun Rd Ste A
Oxford, OH 45056-8929
Phone: (513) 523-2158
Fax: (513) 523-0019
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 35059204H (OH)

Record details

NPI number1427001866
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2006
Last updated in NPPESOctober 7, 2011

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 1987 (39 years in practice)
Group practice Trihealth Physicians Of Indiana Inc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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