Internal Medicine

The Patients First Health Care internal medicine physicians specialize in comprehensive, non-surgical specialty care of adult men and women. Simply put, doctors of internal medicine are doctors for adults and focus on treatment and prevention of chronic diseases.

As your primary care physicians, our internal medicine physicians coordinate your care. They are an invaluable source when you encounter complex problems necessitating coordination between multiple specialists. Our internal medicine physicians care for all their patients throughout life…in the office, in the hospital and in nursing homes.

Locations and Providers

Similar to our family medicine practice, Patients First has internal medicine physicians located across the service area.

Locations	Providers
Washington, MO 901 Patients First Drive 2nd Floor (636) 239-7500	Bryce A. Ayers, MD, FACP Gary DuMontier, MD Robert W. Halsted, MD Kyle F. Ostrom, MD Michael E. Rau, MD, FACP Sarah J. Seeck, MD Kenneth B. Smith, MD, FACP Karen Gross, APRN, BC Victoria Yenzer, APRN, BC
Bourbon, MO 125 N Old Hwy 66 (573) 679-2006	Felipe A. Eljaiek, MD Vivian Dudley, RN, CS, ANP/FNP
Union, MO 97 St. Andrews Place (636) 583-2946	Shaukat A. Thanawalla, MD Gretchen Kluesner, MD, FAAP
Sullivan, MO 101 Progress Parkway (573) 468-3555	Felipe A. Eljaiek, MD Musa Modad, MD Jose R. Remo, Jr., MD Tammy Watz, MSN, FNP
Steelville, MO 520 W. Pine Street (573) 775-3335	Musa Modad, MD Kelly Vago, RN, BC, FNP
Creve Coeur, MO The Walker Medical Building 12855 North Forty Drive (314) 432-4415	Daniel J. Bauer, MD Kenneth R. Brightfield, MD J. Dennis Saffa, MD M. Jay Walden, MD Jessica Diekhoff, APRN, BC