Clinicians affiliated with Mercy Clinic Fort Smith Communities

372 clinicians on file with this group · most practice in Fort Smith, AR-OK · PAC ID 3870668510

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

317 clinicians affiliated with Mercy Clinic Fort Smith Communities are in the 2024 Medicare Part B data, 189 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 · Nurse Practitioner (105) · Family Practice (43) · Internal Medicine (35) · Emergency Medicine (18) · Physician Assistant (14) · Obstetrics & Gynecology (12) · General Surgery (11) · Orthopedic Surgery (11) · Cardiology (10) · Hematology-Oncology (5) · Gastroenterology (4) · Interventional Cardiology (4) · Neurosurgery (4) · Otolaryngology (4) · Podiatry (4) · Pulmonary Disease (4) · Certified Clinical Nurse Specialist (3) · Critical Care (Intensivists) (3) · Neurology (3) · Audiologist (2) · Hospitalist (2) · Nephrology (2) · Psychiatry (2) · Radiation Oncology (2) · Thoracic Surgery (2) · Anesthesiology (1) · Cardiac Surgery (1) · Clinical Cardiac Electrophysiology (1) · Hospice and Palliative Care (1) · Infectious Disease (1) · Pain Management (1) · Physical Medicine and Rehabilitation (1) · Vascular Surgery (1)

Specialty links go to the specialty in Fort Smith, AR-OK.

Clinicians affiliated with Mercy Clinic Fort Smith Communities, 2024

Alphabetical by last name; 301–317 of 317.

NameSpecialtyCity
Patrick J Walton, PA-CPhysician AssistantFort Smith, AR
Samuel E Ward, MDFamily PracticeChipley, FL
Aaron E White, MDFamily PracticeGreenwood, AR
Kimberly M Williams, AGACNP-BCNurse PractitionerFort Smith, AR
Nathan A Williamson, APRN, NP-CNurse PractitionerFort Smith, AR
Brock D Wilson, DOObstetrics & GynecologyFort Smith, AR
Nolan Winslow, M.D.NeurosurgeryRogers, AR
Blaine M Winterton, DOPulmonary DiseaseFort Smith, AR
Anita Xayapheth, NPNurse PractitionerRussellville, AR
Becky D Yarborough, MDInternal MedicineFort Smith, AR
Yashwanth Yerramalla, M.D.Pulmonary DiseaseSpringdale, AR
John D Young, DOFamily PracticeGreenwood, AR
Brooke M Youngwolfe, NPNurse PractitionerFort Smith, AR
Roya Zarepour, APNNurse PractitionerFort Smith, AR
Yacin M Zawam, M.DHospitalistToledo, OH
Ayhan A Zia, MDCardiologyFort Smith, AR
Timothy Zimmerman, MDInternal MedicineFort Smith, AR

Practice locations

Listed practice locations in Arkansas, Oklahoma.

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