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

Dr. Larry Ira Cowan, DO

Individual provider Addiction Medicine (Family Medicine) Physician · NPI 1023002011

Dr. Larry Ira Cowan, DO is a Family Practice in Thornville, Ohio. Qualified in 1981, 45 years ago. Practices with Physicians Group of Southeastern Ohio Inc, a 61-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
45
Licensed in
OH
In the registry since
2005
Specialties on file
2
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

41 Foster Dr
Thornville, OH 43076-8010
Phone: (740) 246-6361
Fax: (740) 246-4722
Show map & directions

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

Additional practice locations (1)

  • 2951 Maple Ave, Zanesville, OH 43701-1406 — (740) 454-4000

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 34006965 (OH)
Addiction Medicine (Family Medicine) Physician Taxonomy 207QA0401X · Licence 34.003340 (OH)

Record details

NPI number1023002011
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedSeptember 6, 2005
Last updated in NPPESDecember 31, 2019
Certification dateDecember 31, 2019
Mailing addressPo Box 1821, Zanesville, OH 43702-1821

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Physicians Group Of Southeastern Ohio Inc — 61 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount