Clinicians affiliated with Caldwell Memorial Hospital, Inc.

26 clinicians on file with this group · most practice in Louisiana outside metro areas · PAC ID 9638063944

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

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

23 clinicians affiliated with Caldwell Memorial Hospital, Inc. are in the 2024 Medicare Part B data, 19 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.

Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report

Affiliated clinicians by specialty, 2024

All specialties · Diagnostic Radiology (15) · Nurse Practitioner (3) · Family Practice (1) · Internal Medicine (1) · Interventional Cardiology (1) · Interventional Radiology (1) · Physician Assistant (1)

Specialty links go to the specialty in Louisiana outside metro areas.

Clinicians affiliated with Caldwell Memorial Hospital, Inc., 2024

Alphabetical by last name; 23.

Name	Specialty	City
Ralph Abraham, MD	Diagnostic Radiology	Winnsboro, LA
Jessica Caraway, MD	Interventional Radiology	Shreveport, LA
Douglas M Casey, MD	Diagnostic Radiology	Hammond, LA
Madelyn H Corkern, D.O.	Family Practice	Monroe, LA
Michael K Herron, M. D.	Diagnostic Radiology	Homosassa, FL
Stephen S Johnston, MD	Diagnostic Radiology	Tucson, AZ
Jeremiah R King	Nurse Practitioner	Wisner, LA
Nicholas Kramer	Diagnostic Radiology	Ft Polk, LA
Taylor Maloney, MD, RPVI	Diagnostic Radiology	Round Rock, TX
Brenton W Mcdonald, M.D.	Diagnostic Radiology	Monroe, LA
Mark A Operario, M.D.	Internal Medicine	Columbia, LA
Lowery R Reiland, MD	Diagnostic Radiology	Shreveport, LA
Alison Richard, PA-C	Physician Assistant	Columbia, LA
James T Rittelmeyer, MD	Interventional Cardiology	Monroe, LA
Sameh A Sakla, M.D.	Diagnostic Radiology	Sanford, FL
Manash K Sarcar, MD	Diagnostic Radiology	Tulsa, OK
Christopher T Sherman, MD	Diagnostic Radiology	Greenville, TX
Lisa K Smith, FNP	Nurse Practitioner	Monroe, LA
Matthew H Smith, MD	Diagnostic Radiology	Pittsburgh, PA
Marcus V Stelly, M.D.	Diagnostic Radiology	Lafayette, LA
Janice K West, APRN,BC,CNS,FNP	Nurse Practitioner	Columbia, LA
W M Wilder, MD	Diagnostic Radiology	West Monroe, LA
Ronald R Winters, M.D.	Diagnostic Radiology	Fort Smith, AR

Practice locations

Listed practice locations in Louisiana.

Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.

Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations