Our specialists are the finest surgeons who practice in a specific field of orthopedics, offering you the most precise level of expertise.

Surgery of the shoulder, knee and hip, Joint replacement surgery

Office: Springfield MA

Dr. Daryle Ruark is a general orthopedic surgeon, specializing in hip and knee replacement surgeries as well as shoulder surgeries. Dr. Ruark has a license to practice medicine in both Massachusetts and Connecticut. He is an attending at Mercy Hospital in Springfield, Massachusetts and St. Francis Hospital in Hartford, Connecticut.

He attended Harvard University in Cambridge, Massachusetts, and went on to the Albany Medical College in Albany, New York, where he earned his doctorate in medicine. He completed his orthopedic residency at Albert Einstein Medical Center in Philadelphia, Pennsylvania. He continued on to a fellowship at Baylor Medical Center in Dallas, Texas.

He is a fellow of the American Academy of Orthopedic Surgery and is Board-certified in Orthopedic surgery. He recently re-certified in 2016.

Dr. Ruark sees patients in our Springfield, Massachusetts, and Enfield offices. Dr. Ruark performs surgery at Mercy Hospital and Surgery Center of New England in Springfield, Massachusetts, as well as the Connecticut Joint Replacement Institute (CJRI) at St. Francis Hospital.

He lives with his wife, Michelle and 2 sons, Derek and Jonathan in Massachusetts. Dr. Ruark enjoys going to the gym, biking, tennis and golf, but his favorite thing to do is play with his boys.


Shoulder Surgery Fellowship, Baylor Medical Center, Dallas, TX, August 2002 to July 2003

Orthopedic Surgery Residency, Albert Einstein Medical Center, Philadelphia, PA, July 1998 to June 2002

General Surgery Internship, Albert Einstein Medical Center Philadelphia, PA, July 1997 to June 1998

Albany Medical College, Doctor of Medicine, Albany, NY, August 1993 to May 1997

Harvard University, Bachelor of Arts, Cambridge, MA, September 1989 to June 1993


Alpha Omega Alpha Honor Medical Society
American Board of Orthopedic Surgeons
Board Certified July 21, 2005
Board Certified January 1, 2016

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Alpha Omega Alpha Honor Medical Society 1995
Victor and Ethel Tompkins Alumni Scholarship 1995 and 1996
Alumni Association Scholarship 1995 and 1996
J. Alfred Greene Jr. and Harriet Greene Scholarship 1994
Academic Governing Council Scholarship 1993 and 1994
Cum Laude Graduate 1993
John Harvard Scholarship 1992
Harvard College Scholarship 1990 and 1991


Heterotopic bone in multiple major lower extremity joints: Function after resection and rehabilitation
Mary Ann E. Keenan, M.D. and David Fuller, M.D.
Albert Einstein Medical Center
Philadelphia, PA

Skeletal muscle architecture of the developing rabbit plantar flexors: relations between cross-sectional area and maximum contractile force
A.W. Crompton, Fisher Professor of Natural History
Harvard University
Cambridge, MA

Physician Assistant: Brian Katz, PA-C

Brian Katz has been working as a Physician Assistant with Dr. Ruark since 2016.

Brian has greater than 25 years experience in medicine. He has been practicing as a Physician Assistant since 2008. He was formally the head surgical physician assistant at Holyoke Medical Center specializing in General surgery, Plastic surgery & Orthopedic surgery up until 2016. He served on many committees including the Board of Directors for the Massachusetts Association PA’s (2014) and as the Director of Clinical Education for Bay Path University’s Physician Assistant program from 2015-2016. He continues to work in emergency medicine on a per diem basis.

Brian graduated cum laude from Springfield College Bachelor of Science and later with a Master of Science in Physician Assistant

Brian Katz

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