Memorial Medical Associate offices are departments of Memorial Healthcare. Please contact a Financial Counselor at (989) 729-4160 if you have any billing questions. 


Memorial Medical Associates provides physician practice management for over 25 employed medical practices in the greater Shiawassee County area.

Our employed physicians are:


Arnold Medical Clinic
Anthony Patsy, DO, Krisha Horger, RN, MSN, FNP-BC, and Andrea Miller, RN, MSN, FNP-BC

Chesaning Family Medicine
Carolyn Ebert, MD; Thomas Teal, MD; Marcus Feldpausch, PA-C

Durand Family Health Center
Richard Rankl, MD; Konstance Kasimos, MD; Gerri Hagadon-Szakal, DNP, FNP-BC, FPMHNP, Brian McArthur, DNP, AGNP-C

Laingsburg Primary Care
Barbara Gurden, DO; Jonathan King, MD; Cindy Reichert-Brooks, RN, MSN, FNP-BC

Memorial Family Medicine
Carol Vorenkamp, DO

Northside Family Medicine
Timothy Oliver, MD; Marcos Iza, MD; Kristina Yaklin, DNP

Ovid Elsie Family Health Care
David Huff, DO

Ovid Elsie Primary Care
Narender Thatikonda, MD; Sara Deringer-Kohorst, MSN, PA-C

Perry Family Practice
Usman Ahmed, MD; Mary Mankey, PA-C and Tamara Platner, PA-C

Roy F. Small, DO

Shiawassee Family Medicine
Adriana Raus, MD; Wanda Iza, MD; Diana Hayes, MSN, CFNP, CNS


Owosso Gastroenterology Associates
Catherine Kerschen, DO, FACOI; Lisa LePain, DO, FACOI; William Weatherhead, DO, FACOI; Maria Reed, PA-C and Danielle Kramer, PA-C


Memorial Surgical Associates
Richard Schulz, DO, MBA, FACOS; Thomas Smith, DO

Owosso Surgical Associates
Walid Azmeh, MD; Marie Spiess, PA-C, RVT, CWS; Suzanne Law, DO, RVT, CWS


Internal Medicine Associates of Owosso
Oscar Macal, MD and Antonio Santiago, MD

Owosso Internal Medicine
Stacey Carr, NP-C


Institute for Neurosciences & Multiple Sclerosis
Rany Aburashed, DO; Margaret Frey, DO; Cara Leahy, DO; Robert Pace, MD


Health Partners for Women
Mario Chaves, MD 


Memorial Occupational Health Center
Carol Vorenkamp, DO


Mid-Michigan Orthopedics
Ashraf Elbanna, MD, Joseph Palazeti, DO; Michael Schmidt, DO; Michael Smith, PA-C

OTOLARYNGOLOGY (Ear, Nose & Throat & Hearing Services)

Red Cedar Ear, Nose & Throat (ENT & Hearing Services)
Shannon Radgens, DO; Michael Nelson, PA-C and Diane Zuckschwerdt, MA, CCC-A


Memorial Pediatric Clinic
Michael Kramer, DO; Julie Creighton, DO; Bethany Pavon, CFNP

Pediatric & Adolescent Services
Maria Budai, MD, FAAP 


Mid-Michigan Orthopedics
Gary Branch, DO


Memorial Urology
Mandell Bookman, MD

Memorial Medical Associates also provides oversight for Memorial Healthcare's urgent care practices.

Memorial Medical Associates
1975 W. M-21
Owosso, MI 48867