Meet Our Providers
Ali Haider Arsiwala, M.B.B.S.
Hospitalist
Dr. Arsiwala completed his family medicine residency Lee's Summit Medical Center Family Medicine Program. He received his medical degree from Dr Vasantrao Pawar Medical College, India. Dr. Arsiwala is board certified through through the American Board of Family Medicine.
Dakota Dreher, M.D.
Hospitalist
Dr. Dreher completed his internal medicine residency at St. Louis University Hospital in St. Louis, MO. He received his medical degree from the University of Kansas School of Medicine in Wichita. Dr. Dreher is board certified through the American Board of Internal Medicine.
Chris Glendenning, D.O.
Hospitalist
Dr. Glendenning is a graduate of Oklahoma State University College of Osteopathic Medicine in Tulsa. He completed his residency at Garfield County Family Practice Residency Program OU/Enid Family Medical Clinic in Enid, OK and his fellowship at the Department of Family Medicine at UNC at Chapel Hill, Chapel Hill, NC. Dr. Glendenning is certified in Family Medicine through the American Osteopathic Board of Family Physicians.
Geraint Harris, M.D.
Hospitalist
Dr. Harris is certified in Family Medicine through the American Board of Family Medicine. Dr. Harris completed his Family Medicine Residency at Integris Great Plains Family Medicine in Oklahoma City, OK. He received his medical degree from the University of Oklahoma College of Medicine and Doctorate of Pharmacy from the University of Oklahoma College of Pharmacy in Oklahoma City.
Heidi Koschwanez, M.D.
Hospitalist
Dr. Koschwanez completed her internal medicine/pediatrics residency at the University of Kansas, School of Medicine, Wichita, KS.
She received her medical degree from the University of Kansas, School of Medicine, Wichita, KS . Dr. Koschwanez is board eligible through through the American Board of Pediatrics and the American Board of Internal Medicine.
Jeffrey Robinson, MD
Hospitalist
Dr. Robinson completed his Internal Medicine residency at Baton Rouge General Medical Center in Baton Rouge, LA. He received his medical degree from Saba University School of Medicine on the island of Saba in the Dutch Caribbean.
Rachel Schmidt, M.D.
Hospitalist
Dr. Schmidt completed her internal medicine and pediatric residency at the University of Massachusetts Chan-Baystate in Springfield and earned her medical degree at the University of Kansas
School of Medicine in Kansas City. Dr. Schmidt is trained in both adult and pediatric medicine. Dr. Schmidt is board eligible in both Internal Medicine and Pediatrics.
Pir Shah, M.B.B.S.
Hospitalist
Dr. Shah completed his internal medicine/psychiatry residency at Charleston Area Medical Center, Charleston, WV. He received his medical degree from Aga Khan University, Karachi, Pakistan.
Dr. Shah is dual board certified through the American Board of Internal Medicine and the American Board of Psychiatry and Neurology.
Katrina Siemiesz, M.D.
Hospitalist
Dr. Siemiesz completed her residency at Wayne State University Family Medicine Residency in
Rochester, Ml. She received her medical degree from American University of the Caribbean School of Medicine in Sint Maarten, Netherland Antilles.
Dr. Siemiesz is board certified through the American Board of Family Medicine.
Brenda Sullivan, APRN
Nurse Practitioner
Brenda completed her Master of Science in Nursing from Fort Hays State University. She received her Bachelor of Nursing from Coe College in Cedar Rapids, Iowa. Brenda is certified as a Family Nurse Practitioner through the American Academy of Nurse Practitioners.
