OMH Medical Group - Lewiston

Primary Care and Walk-In Services for Lewiston and Surrounding Areas

The Lewiston office is located at 3040 Bourn Street, in Lewiston, Michigan. The primary care physicians of the OMH Medical Group – Lewiston are available to help prevent, diagnose and treat a wide variety of ailments, as well as provide patient education and childhood immunizations. 

Experienced Treatment for a Wide Range of Conditions

Our Walk-In Clinics provide a range of services, including treatment for:

  • Cough, cold and flu
  • Sore throats and sinus infections
  • Cuts and scratches
  • Allergies and asthma
  • Sprains, strains, and broken bones
  • Urinary tract infections
  • Ear and eye infections
  • Lab tests and X-rays

Through the Clinic’s connection with OMH, it is able to provide radiology services including mammography and bone densitometry, as well as physical therapy and laboratory phlebotomy services (blood draws) on site for the convenience of its patients.

The Clinic received its Rural Healthcare Clinic (RHC) certification in 2009.


Hours of Operation:

Monday - Friday
8:00 a.m. - 6:00 p.m.

Weekends & Holidays
8:00am - 4:00pm

(Closed Thanksgiving & Christmas)


3040 Bourn Street,
Lewiston, MI 49756
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After Hours:


OMH Medical Group – Lewiston Provider Team

Kristin Maschke, MD

Family Practice

Michael McNamara, DO

Family Practice

Samuel Russo, DO

Family Practice

Stephanie Rutterbush, MD

Family Practice

Lisa Stier, NP

Walk-In Services