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

John K. Grimm, DO

Individual provider Internal Medicine Physician · NPI 1912949918

John K. Grimm, DO is an Internal Medicine Physician in Harrison, Ohio. Licensed in Ohio. Registered with an NPI since 2006.

Licensed in
OH
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

10450 New Haven Rd
Harrison, OH 45030-2780
Phone: (513) 921-4227
Fax: (513) 367-8031
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 34005816 (OH)

Record details

NPI number1912949918
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 12, 2006
Last updated in NPPESNovember 18, 2011
Mailing address10450 New Haven Road, Harrison, OH 45030-2780

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