Clinicians affiliated with Gastrointestinal Associates PA

46 clinicians on file with this group · most practice in Jackson, MS · PAC ID 5294795241

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

44 clinicians affiliated with Gastrointestinal Associates PA are in the 2024 Medicare Part B data, 29 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 · Gastroenterology (25) · Nurse Practitioner (15) · Pathology (3) · Emergency Medicine (1)

Specialty links go to the specialty in Jackson, MS.

Clinicians affiliated with Gastrointestinal Associates PA, 2024

Alphabetical by last name; 44.

NameSpecialtyCity
Stewart A Boyd, M.D.GastroenterologyFlowood, MS
Keith A Brown, M.D.PathologyFlowood, MS
Stephen E Buckley, M.D.GastroenterologyHattiesburg, MS
Albert F Chiemprabha, MDGastroenterologyVicksburg, MS
Maranda Dillon, NP-CNurse PractitionerFlowood, MS
Pierce D Dotherow, MDGastroenterologyFlowood, MS
Parker L Ellison, MDGastroenterologyFlowood, MS
William M Farmer, D.O.Emergency MedicineHattiesburg, MS
Carrie R Flowers, CFNPNurse PractitionerFlowood, MS
Henry C Fox, M.D.GastroenterologyHattiesburg, MS
Jonathan A Giangrosso, FNP-BCNurse PractitionerMagee, MS
Tina M Gregg, NP-CNurse PractitionerFlowood, MS
Anna K Griffin, FNP-CNurse PractitionerJackson, MS
Charles E Hall, M.D.GastroenterologyFlowood, MS
Miranda R Harper, DNP, FNPNurse PractitionerYazoo City, MS
Samuel D Hensley, MDPathologyFlowood, MS
Reed B Hogan, MDGastroenterologyFlowood, MS
Reed B Hogan, M.D.GastroenterologyFlowood, MS
Jason K Jones, M.D.PathologyFlowood, MS
Ollie D Jones, M.D.GastroenterologyFlowood, MS
Abbie B Kalem, FNPNurse PractitionerRichland, MS
Ronald P Kotfila, MDGastroenterologyFlowood, MS
Makau P Lee, M.D.GastroenterologyFlowood, MS
Melody B Lewis, NP-CNurse PractitionerFlowood, MS
Jeffrey Mccrary, M.D.GastroenterologyFlowood, MS
Paul B Milner, MDGastroenterologyFlowood, MS
Charles T Morrissette, M.D.GastroenterologyHattiesburg, MS
Kathryn T Parvin, NP-CNurse PractitionerJackson, MS
Michelle A Petro, MDGastroenterologyFlowood, MS
David Quarles, NPNurse PractitionerFlowood, MS
Misti L Ready, CNFPNurse PractitionerFlowood, MS
Vonda G Reeves, MDGastroenterologyFlowood, MS
Erin K Roberts, NP-CNurse PractitionerHattiesburg, MS
John M Runnels, MDGastroenterologyFlowood, MS
Kathleen M Tate, RNNurse PractitionerFlowood, MS
James A UnderwoodGastroenterologyFlowood, MS
Audrey L Upchurch, FNP-BCNurse PractitionerFlowood, MS
Ralph B Vance, MDGastroenterologyFlowood, MS
Susan R WallaceNurse PractitionerHattiesburg, MS
Ernest S Weeks, M.D.GastroenterologyFlowood, MS
Jane-Claire B Williams, M.D.GastroenterologyFlowood, MS
Mark E Wilson, MDGastroenterologyJackson, MS
Cynthia H Wright, MDGastroenterologyFlowood, MS
Shuja Yousuf, M.D.GastroenterologyBrandon, MS

Practice locations

Listed practice locations in Mississippi.

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