Dr. Jeffrey Van Gelderen is a Board-Certified Orthopaedic Surgeon at Orthocenter, specializing in sports injuries and minimally invasive arthroscopic surgery of the shoulder, hip, and knee. His expertise is in joint preservation—helping patients stay active, preserve mobility, and postpone joint replacement through advanced, motion-preserving techniques.
A Monmouth County native and graduate of Holmdel High School, Dr. Van Gelderen earned his undergraduate degree magna cum laude from Georgetown University. He received his medical degree from the University of Medicine and Dentistry of New Jersey, completed his orthopaedic residency at NYU’s Hospital for Joint Diseases, and completed a Sports Medicine Fellowship at UCLA, where he served as assistant team physician for NCAA Division I athletes.
For more than a decade, Dr. Van Gelderen has delivered expert orthopaedic care in the community he proudly calls home. He has consistently been named one of New Jersey’s Top Doctors, maintains a 4.9 star rating from over 400 Google reviews, and sponsors an annual health sciences scholarship to support the next generation of medical professionals.
Dr. Tennen received his undergraduate degree in Biology with minors in Mathematics and Chemistry from Ramapo College of New Jersey, graduating with Honors. Following graduation, Dr. Tennen went on to Ross University School of Medicine for his Medical Degree. After receiving his Medical Degree Dr. Tennen completed an Internal Medicine Internship at Elmhurst Hospital in affiliation with Mount Sinai Hospital.
After his Internship, Dr. Tennen completed his Residency in Family Medicine from the Robert Wood Johnson University Hospital in Somerset NJ. After Residency, Dr. Tennen completed an ACGME Accredited Fellowship at Atlantic Sports Health in Morristown NJ. While in Fellowship, Dr. Tennen’s training involved providing sideline medical coverage for the New York Jets, Division I athletes from Seton Hall University and a private hockey league.
Dr. Tennen practices non-surgical techniques, using conservative measures to allow patients to rehabilitate from their injuries. His Primary Care background allows for treatment of Non-Orthopaedic / medical injuries in athletes ranging from concussion management/return to play, athletic fatigue, overtraining, exercised induced asthma, as well as management of athletes with other chronic medical conditions. Dr. Tennen believes in using the patient-centered approach in providing care and building a strong rapport with his patients.
Dr. Tennen is a New Jersey native who was raised nearby in Marlboro NJ. He enjoys spending time with his family, watching football and following the fitness industry. Dr. Tennen plays an active role in his community serving as the District Physician for several local school districts in Monmouth County NJ.
Dr. Simone received his Bachelor of Arts in Communications from Monmouth University in West Long Branch, NJ and his Bachelor of Science in Nursing from Harden-Simmons University (HSU) in Abilene, TX. He then achieved his Master of Science in Nursing from Samford University in Homewood, AL. Dr. Simone completed his Doctorate from New York Chiropractic College in Seneca Falls NY.
Dr. Simone’s broad clinical experience and training range from primary care to geriatrics, orthopaedics, pediatrics, OB/GYN as well as Chiropractic care. He attained surgical experience and has been a part of many different OR procedures. He has retired from practicing Chiropractic medicine and decided to continue his career path in the direction of Orthopaedic and Interventional Pain Management Care at OrthoCenter.
Dr. Simone is a NIFA certified RN First Surgical Assist (RNFA). He is Board-Certified in Interventional Pain Management Procedures by the American Academy of Procedural Medicine (AAOPM). Dr. Simone continues to further his education in order to provide his patients with the latest state-of-the-art treatments that are available today.
Dr. Simone has numerous AAOPM board certifications, including spinal injections, inter-articular joint injections, arthrocentesis, Platelet Rich Plasma (PRP) injections, and bursa injections.
Dr. Simone’s professional affiliations include the American Nurses Association (ANA), New Jersey State Nurses Association (NJSNA), Forum of Nurses in Advanced Practice (FNAP), American Academy of Nurse Practitioners (AANP), American Academy of Procedural Medicine (AAOPM), Association of New Jersey Chiropractors (ANJC) and the New Jersey State PBA Physicians Association.
Dr. Navasartian earned a Bachelor of Science degree in general biology and a Master of Science degree in biology from the University of California, San Diego. Dr. Navasartian then completed medical school at the State University of New York in Stony Brook. Following medical school, he completed a residency in orthopaedic surgery at Monmouth Medical Center in New Jersey, one of the oldest residency programs in the state. Through his residency, he spent time training at the Children’s Hospital of Philadelphia, as well as UMDNJ Newark. This allowed him to obtain well-rounded training in numerous aspects of orthopaedic surgery.
Dr. Navasartian then went on to complete subspecialty fellowship training in Sports Medicine at Baylor College of Medicine. During his fellowship, he was trained by one of the pioneers and founders of modern shoulder arthroscopy, Dr. Stephen Burkhart, MD. Dr. Burkhart invented many of the tools and techniques used in shoulder arthroscopy, and Dr. Navasartian is proud to have had him as a mentor. Because of his training with Dr. Burkhart, Dr. Navasartian is very well-versed in treating some of the most complex shoulder problems using arthroscopic techniques.
Additionally, Dr. Navasartian is trained in complex knee surgery, including arthroscopic and open techniques. Dr. Navasartian is also a published author, with some of his published literature describing techniques in shoulder and knee arthroscopy. In addition to sports medicine, his interests in orthopaedic surgery also include fracture care and joint replacement surgery.
After completing his undergraduate studies at the University of Notre Dame in South Bend, IN Dr. Mulholland went on to complete his medical education at the Georgetown University School of Medicine in Washington, D.C. After receiving his M.D. degree, Dr. Mulholland completed his Orthopaedic Surgery Residency at Tufts Medical Center in Boston. As a member of the Arthroscopy Association of North America, Dr. Mulholland strives to go above and beyond industry standards for his patients.
Dr. Mulholland, accredited by the American Board of Orthopaedic Surgery and brings a wide range of experience to the Orthocenter team. In addition to serving as an Orthopaedic Surgeon at the former Walson Air Force Hospital at Fort Dix, NJ Dr. Mulholland has also worked with high-profile clients such as the Pittsburgh Steelers while completing his Fellowship in Sports Medicine at Orthopaedic Research of Virginia.
Dr. Mulholland enjoys giving back to his community and supporting local and regional sports teams. As such he has served as Team Physician for Christian Brothers Academy in Lincroft NJ for over 25 years; team physician for NJ 87’s of the Eastern Hockey League and team physician for NJ Titans of the North American Hockey League.
Prior to joining Orthocenter Dr. Friedel boasted an impressive 19-year career as an Orthopaedic Surgeon in the United States Army.
Dr. Friedel completed his undergraduate degree at the United States Military Academy at West Point. Following graduation, he then studied at Uniformed Services University School of Medicine in Bethesda, MD where he earned his Medical Degree.
After receiving his Medical Degree, Dr. Friedel completed his Orthopaedic Surgery Residency at Fitzsimons Army Medical Center in Aurora, Colorado.
Dr. Friedel’s work as an Army Surgeon has been well decorated. During his military career, Dr. Friedel received an array of awards, including the Bronze Star, the National Defense Medal, the Kuwait Liberation Medal, the Army Achievement Medal with Oak Leaf Cluster, the Asian Campaign Ribbon with two Oak Leaf Clusters, and the Combat Medic Badge.
Born and raised in the Middletown NJ area and former Eagle Scout, Dr. Borzio received his Medical Degree from New Jersey Medical School Rutgers, where he graduated with the distinction of acceptance into the Alpha Omega Alpha Honor Medical Society. Following graduation, Dr. Borzio completed his Orthopaedic Surgery Residency at the State University of New York Downstate Medical Center in Brooklyn, NY. He went on to specialize in hip and knee replacements by completing his Fellowship in Adult Reconstructive Surgery at New York University and Insall Scott Kelly® Institute for Orthopaedics and Sports Medicine.
Dr. Borzio is dedicated to improving the field of orthopaedic surgery, serving as a member of the American Association of Orthopaedic Surgeons and the American Association of Hip and Knee Surgeons, and publishing in several well-regarded journals, such as the Journal of Orthopaedic Research and International Orthopaedics. Dr. Borzio is eager to identify his patients’ orthopaedic issues and develop a unique treatment plan precisely for their situation.
Dr. Bloomstein completed his Orthopedic Residency at Monmouth Medical Center in Long Branch, New Jersey, where his training included Pediatric Orthopedics at the Children’s Hospital of Philadelphia and Orthopedic Trauma at Morristown Medical Center.
Following residency, he completed a Fellowship in Orthopedic Trauma Surgery at the University of Tennessee Campbell Clinic in Memphis. During that time, he participated in a medical relief mission to Haiti after the 2010 earthquake, performing more than fifty surgeries in a five-day period to help restore function and mobility to injured patients.
He then completed a second Fellowship in Foot and Ankle Surgery at the University of Pittsburgh Medical Center, where he trained with pioneers in total ankle replacement and other joint-preserving techniques.
Dr. Bloomstein provides expert care for foot and ankle conditions—including bunions, hammertoes, flatfoot, arthritis, ankle sprains, and Achilles tendon disorders—using both surgical and non-surgical treatments tailored to each patient’s needs.
To schedule an appointment with Dr. Bloomstein, please contact Orthocenter or visit our offices in Red Bank or Holmdel NJ.
Dr. Bakhos was born and raised in Monmouth County, NJ. He left New Jersey to pursue his undergraduate degree at The Johns Hopkins University in Baltimore. Dr. Bakhos then returned home earning his Medical Degree from the University of Medicine and Dentistry of New Jersey in Newark, where he graduated as a member of the Alpha Omega Alpha Honor Medical Society. Following graduation, Dr. Bakhos completed his Orthopaedic Residency at Tufts Medical Center in Boston. He then furthered his sub-specialty training by completing the Otto E. Aufranc Fellowship in Adult Reconstructive Surgery at New England Baptist Hospital in Boston, one of the top orthopaedic and joint replacement centers in the country. There Dr. Bakhos received extensive training in complex and revision hip and knee replacements.
Dr. Bakhos also dedicates time to expanding his field with research, particularly on topics such as soft tissue preservation in total hip arthroplasty; the reduction of blood transfusions after joint replacement; and the minimization of risks in total hip dislocation. Dr. Bakhos’ work has been presented at numerous national meetings.
While a dedicated surgeon, Dr. Bakhos is forever a student and always looks to add to his surgical skills and techniques. He regularly attends meetings where he looks to integrate the latest developments into his practice for the betterment of his patients.
Dr. Bakhos is a Member of the American Academy of Orthopaedic Surgeons, the American Association of Hip and Knee Surgeons, and the International Congress for Joint Reconstruction. Dr. Bakhos has also been awarded the Honor of Top Doctor by NJ TopDocs in 2023 for his excellence in the field of Orthopaedic Surgery.