Mercy Health
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Find A Physician

Find A Physician


(Note: the * denotes employed physicians in the search results listed below.)

Anesthesiology 

Name City
O'Neill, Timothy, DO Muskegon 

Cardiovascular Disease 

Name City
Oravitan, Ionut, MD* Muskegon 

Dentist 

Name City
O'Rourke, Karen, DDS Grand Rapids 

Emergency Medicine 

Name City
Offman, Ryan, DO Muskegon 
Olewicz, Joanna, MD Grand Rapids 
Olgren, Michael, MD Grand Rapids 
Oxholm-Uribe, Nilda, MD Grand Rapids 

Family Medicine 

Name City
Ochs, Cynthia, DO* Muskegon 
Ochs, Rudy, DO* Hart 
Oetman, Duane, MD Byron Center, Grand Rapids 
Oneka, Michael, DO* Muskegon 
Oostema, Angela, MD Grand Rapids 

Family Practice 

Name City
Overly, George, MD Muskegon 

Hematology 

Name City
O'Rourke, Timothy, MD Grand Rapids, Muskegon 

Infectious Disease 

Name City
Olson, Bruce, MD* Muskegon 

Internal Medicine 

Name City
Ogas, Carl, MD* Muskegon 
Olson, Katrina, MD* North Muskegon, Muskegon 
Oravitan, Marilena, MD* Grand Haven 

Medical Oncology 

Name City
O'Rourke, Timothy, MD Grand Rapids, Muskegon 
O'Rourke, Timothy, MD Grand Rapids, Muskegon 

Nephrology 

Name City
O'Brien, Mark, MD Grand Rapids 

Obstetrics & Gynecology 

Name City
Oldenberg, Kristin, MD* Grand Rapids 

Ophthalmology 

Name City
Oltean, John, DO Muskegon, Grand Haven 
Otto, Kenneth, MD Muskegon 

Thoracic Surgery 

Name City
O'Brien, Charles, MD* Muskegon