Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
David S. Eingorn, MD, is a board-certified orthopaedic surgeon specializing in adult reconstructive surgery and general orthopaedics. He is one of the founders of Mercer-Bucks Orthopaedics, with offices in Hamilton, and Lawrenceville, New Jersey, and Langhorne, Pennsylvania.
Dr. Eingorn graduated with his bachelor's degree in biology from LaSalle University in Philadelphia, Pennsylvania, and received his medical degree from the Temple University School of Medicine in the same city.
His internship in surgery was carried out at the Presbyterian University of Pennsylvania’s Medical Center and followed by his orthopaedic residency at Thomas Jefferson University Hospital.
Dr. Eingorn has received recognition as a "top doc" in the region and holds the Universal Halo patent, which is used internationally for fractured spines. He also invented a hip jig for the DePuy Total Hip system.
Dr. Eingorn continues to stay on top of the newest technologies in the field of orthopaedics. He is one of the few surgeons in the area that has trained and performs robotic-assisted surgeries. His hospital staff appointments include active staff status at Capital Health Systems at Hopewell and Regional Campuses in Trenton, New Jersey, and Robert Wood Johnson University Hospital at Hamilton in Hamilton, New Jersey.
He also serves as an associate staff member at St. Mary Medical Center in Langhorne, Pennsylvania, a consultant for Lawrence Rehabilitation Center in Lawrenceville, New Jersey, and a research consultant for Zimmer Orthopaedics Corporation.
Dr. Eingorn pioneered outpatient joint replacements in the area and developed an outpatient total joint replacement program at the Mercer County Surgery Center. Membership in several professional organizations, publications, and research are part of Dr. Eingorn’s ongoing professional development and success.
His professional history spans a variety of experiences and responsibilities, including volunteer surgery duty during the 9/11/01 attacks of the World Trade Center in New York City.
Frank Colarusso, DO, is board-certified in physical medicine and rehabilitation at Mercer-Bucks Orthopaedics in Hamilton, Lawrenceville, and Princeton, New Jersey, and Langhorne, Pennsylvania.
Dr. Colarusso maintains double-board certification, having recently recertified with both the American Medical Association, the American Board of Physical Medicine & Rehabilitation, and the American Osteopathic Association. With an attention to detail and passion for continuing education, Dr. Colarusso is proud to provide comprehensive non-operative musculoskeletal, spine, and sports medicine.
He specializes in MSK neck and back pain, EMG services, acute and chronic pain syndromes with medication management, dry needling, Osteopathic Manual Manipulation treatments as well as ultrasound-guided injections, nerve blocks, and biologics.
After receiving honors at Rider University in Lawrenceville, New Jersey, and Philadelphia College of Osteopathic Medicine in Pennsylvania, Dr. Colarusso remained in Pennsylvania to intern at St. Barnabas Health Care System. He later was the chief resident in Physical Medicine and Rehabilitation at Boston University Medical Center in Massachusetts.
Previously serving as one of three attending physicians at the 15th largest rehabilitation hospitals in the United States, Dr. Colarusso is proud to serve new and returning patients from the Mercer-Bucks Orthopaedics offices.
SPECIALTY Orthopedic Surgery Sports Medicine Foot & Ankle Surgery
FELLOWSHIP Medstar - Union Memorial Hospital, Baltimore MD
RESIDENCY Lenox Hill Hospital, New York, NY Orthopedic Surgery
INTERNSHIP Mt. Sinai Hospital Surgery
MEDICAL SCHOOL Mount Sinai School of Medicine
UNDERGRADUATE SCHOOL Johns Hopkins University, Baltimore, MD
Dr. Guillermo Duarte
Guillermo Duarte, MD, is a fellowship-trained orthopedic surgeon practicing at Manhattan Orthopedics which has locations in Brooklyn Heights, Midtown Manhattan and Astoria, Queens, in New York City. Dr. Duarte specializes in non-operative and operative management and care of the foot and ankle – including sports and tendon injuries, degenerative arthritic disorders, bunions and hammertoes, hindfoot deformities, flat foot, arthroscopic surgery, and fracture care.
Dr. Duarte received his bachelor’s degree from Johns Hopkins University. He then completed medical school at Mount Sinai School of Medicine and an orthopedic residency at Lenox Hill Hospital. He completed fellowship training at Union Memorial under the tutelage of Dr. Lew Schon and other world-renowned foot and ankle specialists.
Dr. Duarte focuses on ensuring that patients understand their condition and collaborates with them to tailor treatment plans that take into account each patient’s specific needs. He is passionate about ensuring that his patients of all ages remain functional during recovery and return to their daily activities in a safe but timely manner.
Dr. Duarte is fluent in both Spanish and English, making him accessible to patients from a variety of cultural backgrounds.
Dr. Burke Gao is a fellowship-trained orthopaedic hand and upper extremity surgeon at Northwell Health – Lenox Hill Hospital and Assistant Professor of Clinical Orthopedic Surgery at the Zucker School of Medicine at Hofstra/Northwell.
He specializes in the comprehensive care of the hand, wrist, forearm, and elbow, with a particular focus on sports-related conditions in athletes, nerve injuries and reconstruction, and acute trauma. His expertise spans sport specific care, advanced microsurgical techniques, tendon and ligament reconstruction, fracture management, and procedures to restore motion and strength following complex injuries.
Dr. Gao is dedicated to providing individualized, evidence-based care that helps patients return to their active lives—whether on the playing field, in the workplace, or at home.
Research & Publications
An active academic surgeon, Dr. Gao has published widely on hand and upper extremity surgery, sports medicine, and patient education. His research has appeared in journals such as the Journal of Bone and Joint Surgery, American Journal of Sports Medicine, Arthroscopy, and the Journal of Hand Surgery. He has presented his research nationally and internationally, including at the American Academy of Orthopaedic Surgeons, American Society for Surgery of the Hand, and the International Federation of Societies for Surgery of the Hand.
Awards & Recognition
Dr. Gao has received numerous national awards including competitive research scholarships from the American Society for Surgery of the Hand and the Mid-America Orthopaedic Association. He has also been awarded honors from the American Academy of Pediatrics Orthopaedic Section, Cervical Spine Research Society and Arthroscopy Journal
