Meet Our Staff

We’re Committed to Improving your Health!

Dr. Mark Machalka

Dr. Mark Machalka

Board Certified Family Physician

Dr. Machalka earned his undergraduate degree from the University of Illinois and his medical degree from Loyola University in Chicago. He completed a family practice residency at St. Vincent Health Center in Erie, Pennsylvania. He furthered his training with an obstetrics fellowship at Brackenridge Hospital in Austin, Texas. He joined Marshall Medical Associates in 2004. Dr. Machalka resides in Marshall with his wife and three children.

Samantha Grundemann, P.A.C.

Samantha Grundemann, P.A.C.

Family Practice Physician Assistant

Mrs. Grundemann grew up in Kalamazoo, Michigan and received her Bachelor of Science in Biomedical Sciences from Central Michigan University in 2011. Samantha worked in pharmaceutical research and then went on to receive her Master of Science in Physician Assistant Studies from Central Michigan, graduating in August 2014. Family medicine and women’s health has always been a passion and she looks forward to providing these services to families in Marshall. Samantha resides in Albion with her husband and enjoys spending time outdoors, traveling to the Upper Peninsula and working on the family farm.

Dr. Andrew Luciano

Dr. Andrew Luciano

Board Certified Family Physician

Dr. Luciano grew up in New Jersey. He earned his bachelor’s from Rutgers University and went on too earn his medical degree from Robert Wood Johnson Medical School. He completed a residency in Family Medicine at Centrastate University Medical Center, in Freehold, NJ. From there he headed to North Dakota to complete a fellowship in surgical obstetrics. He is now happy to be starting his professional career here in Michigan.

Tim Taylor, P.A.C.

Tim Taylor, P.A.C.

Family Practice Physician Assistant

Earned a Bachelors of Science from Bob Jones University in 2008. Tim worked as a medical assistant for 2 years in family practice office following graduation. He went on to earn his Physician Assistant degree from Western Michigan University and currently resides in Battle Creek with his wife and daughter.

Dr. Carrie Nicholson

Dr. Carrie Nicholson

Family Practice Physician Assistant

Dr. Nicholson grew up in Marquette, MI. She is an alumni of Albion College, Class of 1999, and received her medical degree from the University of Michigan Medical School in 2003. She completed her internship year at Union Hospital in Terre Haute, IN prior to returning to the University of Michigan to finish her residency in family medicine. She lives in Albion with her husband and three children. She is active in the Albion Community School PTO and enjoys reading.

Lina Keeney-Fuhr, P.A.C.

Lina Keeney-Fuhr, P.A.C.

Family Practice Physician Assistant

PA Fuhr received a Masters Degree in the Physicians Assistant Program from the University of Detroit Mercy. She is board certified by the National Commission on Certification of Physician Assistants. PA Fuhr joined Marshall Medical Associates in 1996.