Clinicians affiliated with Caldwell Memorial Hospital, Inc

Acute Care Hospitals · Proprietary · 411 Main Street, Columbia, LA 71418 · CCN 190190

Affiliation snapshotNovember 2, 2026CMS Doctors and Clinicians Facility Affiliation file, current snapshot (no end-of-2024 archive), applied to 2024

Activity year2024Medicare Part B claims, Original Medicare fee-for-service

9 clinicians affiliated with Caldwell Memorial Hospital, Inc are in the 2024 Medicare Part B data (10 listed in the affiliation file).

Each clinician's exact figures are in their Physician Report, from their page. View sample report · Already purchased? Open your report (earlier Local report and passes)

Affiliated clinicians by specialty, 2024

All specialties · Nurse Practitioner (4) · Family Practice (2) · Internal Medicine (1) · Interventional Cardiology (1) · Physician Assistant (1)

Clinicians affiliated with Caldwell Memorial Hospital, Inc, 2024

Alphabetical by last name; 9.

Name	Specialty	City
Madelyn H Corkern, D.O.	Family Practice	Monroe, LA
Jimmy R Coughran, MD	Family Practice	Winnsboro, LA
Jeremiah R King	Nurse Practitioner	Wisner, LA
Mark A Operario, M.D.	Internal Medicine	Columbia, LA
Alison Richard, PA-C	Physician Assistant	Columbia, LA
James T Rittelmeyer, MD	Interventional Cardiology	Monroe, LA
Lisa K Smith, FNP	Nurse Practitioner	Monroe, LA
Rhonda M Walker, NP	Nurse Practitioner	Ruston, LA
Janice K West, APRN,BC,CNS,FNP	Nurse Practitioner	Columbia, LA

Affiliation comes from the CMS Doctors and Clinicians Facility Affiliation file, hospital rows only; name, address and type from the CMS Hospital General Information file. CMS does not publish an end-of-year archive of the affiliation file, so the current snapshot is applied to the latest data year. A clinician listed with several hospitals or groups appears on each of their pages. How hospital pages are built