Orthopedic Surgeon - Sports, Hip, Knee & Shoulder

Dr. Mantone has been in practice for more than 20 years and is a board-certified, fellowship-trained orthopedic surgeon with extensive experience in treating the shoulder, upper extremity, and lower extremities. Dr. Mantone graduated from Medical School at the University of Buffalo and completed his residency at Wayne State University in Detroit, Michigan.


Fellowship: Baylor University Medica Center, Dallas, TX
Fellowship: Emory University School of Medicine, Atlanta, GA
Residency: Wayne State University: Detroit Medical Center, Detroit, MI
Internship: Grace Hospital, Detroit, MI
Medical School: State University of New York: School of Medicine and Biomedical Sciences, Buffalo, NY
Undergraduate: State University of New York, Binghamton, NY
American Board of Orthopaedic Surgery
Orthopedic Surgeon - Foot & Ankle

After completing her orthopedic residency training at the combined Creighton/ Nebraska Health Foundation Program, Dr. Grier received fellowship training in foot and ankle surgery, with emphasis on foot and ankle trauma and other complex problems involving the foot and ankle, at the Florida Orthopedic Institute in Tampa, Florida.

Dr. Grier’s special interest is in lower extremity trauma and reconstruction. She also participates in a teaching role for the orthopedic residency program.

When not working, Dr. Grier enjoys spending time with family and friends, cross-fit, golf, and reading. She also enjoys watching Creighton athletics and provides orthopedic support and care for Creighton athletes.

“Not every foot and ankle problem requires surgery. I take pride in offering and exhausting non-operative options prior to recommending or proceeding with surgical intervention unless otherwise indicated.”


Fellowship: Foot & Ankle, Florida orthopedic Institute, Tampa, FL
Residency: Creighton University / University of Nebraska Foundation, Omaha, NE
Medical School: Creighton University School of Medicine, Omaha, NE
Undergraduate: Carroll College, Helena, MT


Professional Memberships & Certifications:
American Board of Orthopedic Surgery
American Orthopedic Foot and Ankle Society, Member
Upper Extremity Orthopedic Specialist

Dr. Michael Del Core is a double fellowship-trained orthopedic surgeon specializing in the upper extremity. He has completed two fellowships: a Hand Fellowship at the University of Texas Southwestern in Dallas, Texas and a Shoulder and Elbow Fellowship at the Cleveland Clinic in Cleveland, Ohio. Dr. Del Core completed his residency at the University of Texas Southwestern in Dallas, Texas during which time he spent three months training in Auckland, New Zealand. He graduated from Saint Louis University Medical School. Dr. Del Core has completed nearly 20 peer review publications and he’s dedicating his practice to treating the full spectrum of upper extremity conditions.

An Omaha native, Dr. Del Core is a graduate of Creighton Prep and he’s excited to be back in Omaha to practice within the community he was raised in. Outside of work, he and his wife, Anna, love spending time with their two children and traveling.



Fellowship: Cleveland Clinic (Cleveland, OH), Shoulder and Elbow Fellowship
Fellowship: The University of Texas Southwestern (Dallas, TX), Hand Fellowship
Residency: The University of Texas Southwestern (Dallas, TX)
Medical School: Saint Louis University School of Medicine (St. Louis, MO)
Undergraduate: Saint Louis University (St. Louis, MO)


American Shoulder and Elbow Surgeons (ASES), Fellow Member
American Society for Surgery of the Hand (ASSH), Candidate Member
American Academy of Orthopedic Surgeons (AAOS), Fellow Member

Orthopedic PA-C

Jake was born and raised in Clarinda/New Market, IA area. He graduated from Clarinda High School in 1998. Jake has worked in orthopedics for the past 10 years as a Physician Assistant in clinic and surgery. Focusing on total joints, specifically sports medicine. He served in the US Army as a field medic and is an Iraqi War Veteran. He received the Purple Heart, Bronze Star with Valor, an three other Army Commendation medals. After the Army, he attended Northeastern State University in Tahlequah, OK for his undergraduate Biology degree, and then Western Michigan University for his Masters in Medicine, Physician Assistant studies.

In his free time, Jake enjoys spending time with his wife, Desiree, and their two boys. They enjoy fishing, camping, and the outdoors.


1 Jack Foster Drive

Shenandoah, IA 51601


Call us today!

Clinic Hours

Monday-Friday: 7-5:00pm

Walk-In Clinic Hours

Monday-Friday: 7-6:30pm Saturday-Sunday: 9-12:30pm