Mackinac Straits Health Systems
Rivertown Medical Clinic

Located in Cheboygan, near the Medilodge Health Center, behind the Cheboygan County Building. The Rivertown Medical Clinic is a Patient Centered Medical Home that offers quality health care for the whole family. Services include Family Practice, Oncology, Infusions, Laboratory, Wellness Services and a Patient Portal.

Oncology and Infusion services available Tuesday thru Friday by appointment. These feature most standard chemotherapy and immunotherapy services including treatments for gastrointestinal, rheumatologic and other autoimmune disorders. We are able to provide iron infusions, hydration, Neulasta injections, Prolia injections, reclast infusions, antibiotic infusions, and steroid infusions for multiple sclerosis.

Click on MyChart to sign up and manage your health information online and pay your bills online.

You can still access your Follow My Health information and pay any bills prior to Nov. 6, 2022 by clicking on the links below.

Access the Follow My Health Patient Portal | Make a Payment

Amy Bolmer, D.O.

Lauren Buhr, M.D.

Loretta Leja, M.D.


Monday 8:30 am – 4:00pm

Tuesday 8:30am – 5:00pm

Wednesday 8:30am – 5:00pm

Thursday 8:00am – 5:00pm

Friday 8:30 am – 4:00 pm.

Address: 920 South Huron Street, Cheboygan, MI 49721

Phone: (231) 597-8192 for Dr. Leja or Dr. Buhr,
(231) 597-9740 for Dr. Bolmer

Fax: (231) 597-8463