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

Individual provider Emergency Medicine Physician · NPI 1760832455

John Thomas Grantham, MD is an Emergency Medicine in Columbus, Ohio. Graduated from West Virginia University School of Medicine in 2016, 10 years ago. Practices with Genesis Emergency Physicians LLC, a 38-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
10
Trained at
West Virginia University School of Medicine
Licensed in
OH
In the registry since
2016
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

410 W 10th Ave
Columbus, OH 43210-1240
Phone: (614) 293-8305
Fax: (614) 685-7108
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 35.134934 (OH)

Record details

NPI number1760832455
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 14, 2016
Last updated in NPPESDecember 3, 2025
Certification dateDecember 3, 2025

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolWEST VIRGINIA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice Genesis Emergency Physicians Llc — 38 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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