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

John Jeffrey Keller, MD

Individual provider Clinical Cardiac Electrophysiology Physician · NPI 1700849114

John Jeffrey Keller, MD is a Cardiac Electrophysiology in Chillicothe, Ohio. Graduated from University of Cincinnati College of Medicine in 1998, 28 years ago. Practices with Licking Memorial Professional Corporation, a 235-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
28
Trained at
University of Cincinnati 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.

See every abbreviation used in this directory →

Practice location Address checks out

4437 State Route 159 Ste 125
Chillicothe, OH 45601-7065
Phone: (740) 779-4570
Fax: (740) 779-4579
Show map & directions

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

Specialties & licences

Clinical Cardiac Electrophysiology Physician (primary) Taxonomy 207RC0001X · Licence 35076888 (OH)

Record details

NPI number1700849114
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 7, 2006
Last updated in NPPESJuly 15, 2024
Certification dateJuly 15, 2024
Mailing address4437 State Route 159 Ste 125, Chillicothe, OH 45601-7065

Medicare enrollment

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

Medicare specialtyCARDIAC ELECTROPHYSIOLOGY
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Licking Memorial Professional Corporation — 235 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount