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

Karl Harnish, DO

Individual provider Emergency Medicine Physician · NPI 1104933043

Karl Harnish, DO is an Emergency Medicine Physician in Athens, Ohio. Practices as a sole proprietor. Licensed in California, Florida, Maine and Ohio and 1 more.

Licensed in
CA, FL, ME, OH, WI
In the registry since
2006
Specialties on file
5
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

39 Briarwood Dr
Athens, OH 45701-1302
Phone: (740) 593-8920
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 34003814H (OH)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 20A 5228 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 1139 (ME)
Emergency Medicine Physician Taxonomy 207P00000X · Licence OS-10241 (FL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 55011-21 (WI)

Record details

NPI number1104933043
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedAugust 24, 2006
Last updated in NPPESFebruary 9, 2012
Mailing address39 Briarwood Dr, Athens, OH 45701-1302

Other providers in Athens