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

Dr. William Stephen O'Hearn III, MD

Individual provider Family Medicine Physician · NPI 1548753023

Dr. William Stephen O'Hearn III, MD is a Family Practice in Madisonville, Kentucky. Qualified in 2016, 10 years ago. Practices with Pennyroyal Healthcare Services, Inc, a 10-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Kentucky.

Years since qualifying
10
Licensed in
KY
In the registry since
2018
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

2281 Ridgewood Dr
Madisonville, KY 42431-8724
Phone: (860) 235-6512
Fax: (270) 245-6031
Show map & directions

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

Additional practice locations (1)

  • 214 Main St, Cadiz, KY 42211-9153 — (270) 522-0898

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 54094 (KY)

Record details

NPI number1548753023
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 11, 2018
Last updated in NPPESSeptember 18, 2025
Certification dateSeptember 18, 2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Pennyroyal Healthcare Services, Inc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Madisonville