Clinicians affiliated with Mercy Hospital Washington

Acute Care Hospitals · Voluntary non-profit - Private · 901 East 5th Street, Washington, MO 63090 · St. Louis, MO-IL · CCN 260052

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

470 clinicians affiliated with Mercy Hospital Washington are in the 2024 Medicare Part B data (515 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 (88) · Internal Medicine (56) · Diagnostic Radiology (54) · Family Practice (39) · Physician Assistant (29) · Anesthesiology (19) · Certified Registered Nurse Anesthetist (CRNA) (17) · Cardiology (15) · Pathology (14) · Gastroenterology (13) · General Surgery (11) · Emergency Medicine (9) · Urology (9) · Hospitalist (8) · Obstetrics & Gynecology (8) · Neurology (7) · Neurosurgery (7) · Orthopedic Surgery (7) · Podiatry (5) · Pulmonary Disease (5) · Radiation Oncology (5) · Critical Care (Intensivists) (4) · Hematology-Oncology (4) · Otolaryngology (4) · Endocrinology (3) · Infectious Disease (3) · Interventional Radiology (3) · Medical Oncology (3) · Gynecological Oncology (2) · Interventional Cardiology (2) · Nuclear Medicine (2) · Ophthalmology (2) · Physical Medicine and Rehabilitation (2) · Vascular Surgery (2) · Advanced Heart Failure and Transplant Cardiology (1) · Clinical Cardiac Electrophysiology (1) · Dermatology (1) · Hematology (1) · Nephrology (1) · Pediatric Medicine (1) · Plastic and Reconstructive Surgery (1) · Rheumatology (1) · Thoracic Surgery (1)

Clinicians affiliated with Mercy Hospital Washington, 2024

Alphabetical by last name; 401–470 of 470.

NameSpecialtyCity
Catherine D Smith, NPNurse PractitionerBallwin, MO
Patrick R Smith, M.D.Family PracticeSaint Clair, MO
Anthony T Sonn, M.D.CardiologySaint Louis, MO
Colleen C Spieler, M.D.Diagnostic RadiologySaint Louis, MO
Thomas S Stamos, M.D.AnesthesiologySt. Louis, MO
Breezy S Stanley, ACNPNurse PractitionerSaint Louis, MO
Kristine S Stemmley, MSN, FNP-CNurse PractitionerWashington, MO
Benjamin D Stivers, MDAnesthesiologySaint Louis, MO
Bradley Stockmann, M.D.Diagnostic RadiologySaint Louis, MO
Joshua M Stolker, MDCardiologyWashington, MO
Mathew Strasser, DOInternal MedicineNorth Kansas City, MO
Andrea Strothcamp, FNPNurse PractitionerWashington, MO
Cassandra A Strothkamp, NP-CNurse PractitionerSaint Louis, MO
Christopher D Sturm, MDNeurosurgerySaint Louis, MO
Justin M Sweeney, M.D.NeurosurgerySaint Louis, MO
Nisar F Syed Power, CRNACertified Registered Nurse Anesthetist (CRNA)Saint Louis, MO
Peter SylvesterNeurologySaint Louis, MO
David E Tannehill, D.O.Critical Care (Intensivists)Creve Coeur, MO
Hailee B Taylor, DNP, FNP-CNurse PractitionerWashington, MO
Vladislav V Tchatalbachev, M.D.Diagnostic RadiologyColumbia, MO
Christopher D Terrill, MDDiagnostic RadiologySaint Louis, MO
Katherine L Tesson, FNP-CNurse PractitionerWashington, MO
Shaukat A Thanawalla, M.D.Internal MedicineUnion, MO
Jeffrey L Thomasson, M.D.Diagnostic RadiologySaint Louis, MO
Rodney R Thorley, M.D.Physical Medicine and RehabilitationChesterfield, MO
Matthew J Tiefenbrunn, M.D.Family PracticeSullivan, MO
Charles Tran, M.D.Internal MedicineSaint Louis, MO
Michael C Treisman, MDInternal MedicineFlorissant, MO
Nirupama Vallala, MDInternal MedicineSaint Louis, MO
Andrew T Valleroy, M.D.Family PracticeWashington, MO
Ana Del Carmen Vaquer-Alicea, MDNeurologySaint Louis, MO
Benjamin W Verdine, M.D.Plastic and Reconstructive SurgeryWashington, MO
Elizabeth Verna, D.O.Family PracticeSaint Louis, MO
Irini E Veronikis, M.D.EndocrinologySaint Louis, MO
Jared Visser, DPMPodiatryCreve Coeur, MO
Shirley M Visser, DPMPodiatryCreve Coeur, MO
Kirtana Viswanathan, MD, MPHInternal MedicineWashington, MO
Andrea M Volkerding, M.D.HospitalistBelleville, IL
Anne K Voss, FNPNurse PractitionerUnion, MO
Nathaniel Wachter, MDNeurologySaint Louis, MO
Jennifer Walk, FNPNurse PractitionerWashington, MO
Ted Walker, M.D.GastroenterologySaint Louis, MO
Chen Wang, MDGeneral SurgerySaint Louis, MO
Guoliang Wang, M.D.PathologySaint Louis, MO
Qian Wang, D.O.Infectious DiseaseSaint Louis, MO
Kristofer N WarrenCertified Registered Nurse Anesthetist (CRNA)Louisville, KY
Tammy WatzNurse PractitionerSullivan, MO
Brian L Weber, MDAnesthesiologySaint Louis, MO
Gregory J Wehner, MDDiagnostic RadiologySaint Louis, MO
Kristin A Weidle, M.D.Family PracticeWashington, MO
Jena H Weimholt, M.D.PathologySaint Louis, MO
Laura J Weitzel, MDInternal MedicineSaint Louis, MO
Benjamin R Wiele, M.D.CardiologySaint Louis, MO
Erin K Wiesner, PAPhysician AssistantSaint Louis, MO
Timothy J Williams, MDInternal MedicineSaint Louis, MO
Melody K Willis, MSN, RN, PMHNP-BCNurse PractitionerBonne Terre, MO
Sarah Winkeler, D.O.Internal MedicineEureka, MO
Tracy L Winkelmann, FNPNurse PractitionerFenton, MO
Mark D Wittry, MDNuclear MedicineSaint Louis, MO
Shannon E Witty, M.D.Family PracticeBelleville, IL
Michael L Wood, MDCardiologyWashington, MO
Amy C Wootten, CRNACertified Registered Nurse Anesthetist (CRNA)Saint Louis, MO
Megan L Wren, NPNurse PractitionerBridgeton, MO
Michelle T Wright, DNP, APRN, FNP-CNurse PractitionerWildwood, MO
Victoria L Yenzer, NPNurse PractitionerWashington, MO
Robert A Yuen, M.D.Diagnostic RadiologyFestus, MO
Michael J Zerega, MDGastroenterologyLake St Louis, MO
Cindy X Zhang, M.D.Diagnostic RadiologySaint Louis, MO
Wanghai ZhangPathologyFall River, MA
Wei Zhang, MDInternal MedicineSaint Louis, MO

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