Specialty Clinics

The Holton, Onaga, and St. Marys Outpatient Clinics offer the following specialties:


View our Specialty Clinic Calendar

Audiology - Concerned with the diagnosis and treatment of hearing loss.

Go to Top Jennifer Montgomery, AuD - 4th Friday - Onaga,  4th Wednesday - St.Marys

Cardiology-Concerned with the diagnosis and treatment of heart disorders and related conditions.

Thomas Doyle, MD, FACC - Dates Vary – Onaga
Lambert Wu, MD, FACP, FACC- Dates Vary-Onaga    

John Joliff, MD - Dates Vary - Onaga & St.Marys     

Ears, Nose, Throat - Concerned with disorders of the ear or nose or throat.

Go to Top Douglas Barnes, MD - FACS - 4th Friday - Onaga,  4th Wednesday - St.Marys
Gastroenterology - Concerned with diseases of the stomach and intestines and their associated organs.

Go to Top Shekhar Challa, MD - 2nd Wednesday every other month- Onaga
Gynecology - Concerned with women's health, especially with the health of women's reproductive organs.

Go to Top Ronald Marshall, MD - Dates Vary - Onaga
Neurology - Concerned with the structure and function of the nervous system and the treatment of the diseases and disorders that affect it.

Go to Top Wade Welch, MD - 2nd Friday - Onaga & St.Marys
Optometry - Concerned with examining eyes in order to determine levels of vision and then prescribing and supplying any necessary corrective lenses.

Go to Top Wesley Clark, OD - 3rd Wednesday - Onaga
 Nicole Meerpohl, OD - 3rd Wednesday - Onaga

Orthopedics - Concerned with the nature and correction of disorders of the bones, joints, ligaments, or muscles. 

Go to TopMichael McCoy, MD - Three Thursdays per month - Onaga
Richard Polly, MD - 1st and 3rd Tuesdays - St. Marys

Pain Clinic - Injections of steroids into the lumbar epidural space frequently used for low back and related leg pains from sciatica.

Go to Top Delora Donovan, CRNA by appointment - Onaga & St.Marys
Brian Moore, CRNA by appointment - Onaga & St.Marys
Scott McCormick, CRNA by appointment - Onaga & St.Marys

Podiatry - Concerned with the care of the feet and the treatment of foot disorders.

Go to Top Kenneth Hobbs, D.PM - 3rd Tuesday - Onaga                                                                     4th Monday every three months- St.Marys

Pulmonology - Concerned with the diagnosis and treatment of conditions relating to or affecting the lungs.

Go to Top Osman Malik, MD - 3rd Thursday - Onaga                                                                            

William Leeds, MD - 1st Thursday - Onaga & St. Marys                                                                           

Surgery - Concerned with the treatment of injury, deformity, and disease using operative procedures.

Go to Top Bernita Berntsen, MD - 2nd & 4th Mondays - Onaga & St.Marys
Carlyle Dunshee, MD - 1st & 3rd Mondays - Onaga

Roy Danks, MD - Monday - Onaga, Thursday - Holton

Urology - Concerned with the diagnosis and treatment of disorders of the urinary tract in women and the urogenital system in men.

Go to Top John Devine, MD - 2nd & 4th Tuesdays-Onaga                                                                        4th Tuesday-St.Marys
Alfredo Iloreta, MD - 1st Tuesday - Onaga
Richard Isaacson, MD - 3rd Thursday - St.Marys
Mark Brandsted, MD- 2nd Wednesday - Onaga & St Marys

All clinics except Audiology and Optometry require primary care referrals. If you are already a patient of the specialty physician, you may schedule directly in Holton by calling 785-364-3205 ext. 1448. For Onaga specialty clinics call 785-889-4657, ext. 1200 or 1-888-862-9591. For St Marys specialty clinics call 785-437-3734.