Business Details
38 Years
experience
Your Trusted Orthopedic Care in Hamilton, NJ
Mercer-Bucks Orthopedics (MBO) has delivered comprehensive orthopedic care to communities in New Jersey and Pennsylvania for over 30 years. Our board-certified specialists provide personalized treatment for musculoskeletal conditions, combining expertise in orthopedic surgery, physical therapy, and diagnostic imaging. With a team of physicians, surgeons, and therapists, we offer multidisciplinary care tailored to individual patient needs.Our outpatient surgery centers perform both traditional and minimally invasive procedures, supported by durable medical equipment and rehabilitation services. Founded by local practitioners committed to their communities, MBO prioritizes compassionate care, treating patients like family while maintaining a reputation for clinical excellence and innovation in orthopedic medicine.
Services
Shoulder Replacement
Physical Therapy
Diagnostic Imaging
Sports Medicine
Joint Replacement
Pain Management
Podiatry
Spine Surgery
Arthritis Treatment
Occupational Therapy
Details
- Year established: 1988
Highlights and features
- We offer 30+ years of specialized orthopedic expertise in New Jersey and Pennsylvania.
- Our board-certified specialists collaborate across disciplines for comprehensive care.
- We provide advanced treatments from minimally invasive procedures to joint replacements.
- Our team includes hand-selected physician assistants trained directly by our surgeons.
- We combine outpatient surgery centers with physical therapy and durable medical equipment.
What people say
Very professional staff
Thorough explanations
Effective pain relief
Compassionate doctors
Quick recovery results
Services
Orthopedic Surgery
Our board-certified surgeons specialize in both traditional and minimally invasive orthopedic procedures, including shoulder, hip, and knee replacements. Using advanced techniques, we address degenerative conditions, injuries, and chronic pain while minimizing recovery time. Patients receive personalized surgical plans combined with pre- and post-operative rehabilitation support to optimize outcomes and restore mobility.
Physical Therapy
Our licensed therapists develop customized rehabilitation programs to treat musculoskeletal injuries and post-surgical recovery. Services include manual therapy, therapeutic exercises, and modalities to reduce pain and improve function. With expertise in sports injuries, spine conditions, and joint disorders, our team works closely with physicians to ensure coordinated care that accelerates healing and restores patients' quality of life.
Diagnostic Imaging
On-site diagnostic imaging services provide rapid, accurate assessments of orthopedic conditions using X-ray, MRI, and ultrasound technologies. This immediate access allows physicians to diagnose fractures, joint degeneration, and soft tissue injuries during initial consultations. Timely imaging results enable faster treatment decisions and comprehensive evaluation of musculoskeletal health within a single visit.
Sports Medicine
Specialized sports medicine services address acute injuries and chronic conditions affecting athletes of all levels. Our approach combines non-surgical treatments, performance optimization strategies, and surgical interventions when necessary. With expertise in ligament repairs, concussion management, and return-to-play protocols, we focus on restoring athletic function while preventing future injuries through evidence-based care plans.
Pain Management
Our interventional pain specialists use targeted treatments to address musculoskeletal pain from arthritis, nerve damage, or injuries. Techniques include corticosteroid injections, nerve blocks, and regenerative therapies to reduce inflammation and improve mobility. By integrating physical therapy and medication management, we create multidisciplinary solutions that minimize reliance on opioids while enhancing patients' daily functionality.
People
Thomas K. Bills
MD, PhD
Dr. Bills combines orthopedic expertise with academic research experience, specializing in joint preservation and arthritis management. He emphasizes patient education and evidence-based treatments to optimize musculoskeletal health.
Frank J.M. Colarusso
DO
Dr. Colarusso focuses on minimally invasive spine procedures and sports medicine, with particular interest in regenerative therapies. His patient-centered approach prioritizes conservative treatments before considering surgical options.
David S. Eingorn
MD
With over 30 years of experience, Dr. Eingorn specializes in complex joint replacements and fracture care. His practice emphasizes personalized surgical techniques tailored to patients' lifestyles and long-term mobility goals.
Kristin Callaghan
DPT
Dr. Callaghan leads physical therapy programs focusing on post-surgical rehabilitation and sports injury recovery. She develops individualized exercise regimens to restore function and prevent re-injury through hands-on therapeutic interventions.
Warren Grace III
MD
Dr. Grace specializes in spine surgery and interventional pain management, utilizing advanced imaging techniques for precise diagnoses. His practice integrates minimally invasive procedures with comprehensive pain control strategies.
Questions
What orthopedic specialties are available at Mercer-Bucks?
We offer comprehensive care including joint replacement, sports medicine, spine surgery, physical therapy, and pain management under one roof.
Do you accept my insurance plan?
We accept most major insurance providers including Aetna, Cigna, Horizon Blue Cross, and United Healthcare. Contact our offices for verification.
What should I bring to my first appointment?
Bring valid ID, insurance cards, referral documents, and any relevant medical records or imaging studies for efficient evaluation.
Are telehealth appointments available?
Yes, we offer virtual consultations for follow-ups and non-urgent assessments through our secure patient portal.
How do I schedule surgery?
After physician evaluation, our surgical coordinators will guide you through pre-operative testing, insurance authorization, and procedure scheduling.
What post-operative support do you provide?
Our care includes rehabilitation planning, pain management, and follow-up appointments with coordinated communication between surgeons and therapists.
Videos
Reviews (6)
Farm Staff
Jun 12, 2022
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My experience at Mercer-Bucks Orthopedics' Hamilton Office was excellent. Dr. Zak has all the attributes you would want in your doctor: knowledgeable, experienced, and professional, while at the same time approachable, compassionate, and unrushed. His evaluation and explanation were thourough and understandable. He treatment is not a one size fits all, but very individual. My friend referred me to Dr. Zak because she was most pleased with her treatment. I am glad she did.
Bob Doc
Jun 04, 2022
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Dr. Armbruster is one of my favorite doctors. I know not everyone likes to go to a doctor but I've seen him for many years (off and on) and I've never had a bad experience with him. The same goes for his PA Steve and nurse Jody as well. Definitely a 5+ star doctor in his field.
Laura Mease
Jun 03, 2022
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I was able to get an appointment within 2 days after calling. The staff were very nice. Dr. Bills was very kind and did a thorough exam. He did an injection in my knee that was painless. Highly recommended.
Melissa Silverberg
Apr 11, 2022
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This week was my 1st at MBO & from start to finish it was a great experience. The reception staff, the medical assistants, & the doctors were all top notch. The radiology tech was very friendly & did her job well to cause as little pain as possible to my injured ankle. Dr. Yak was wonderful & really educated me about my current ankle injury & what's been done to it in the past from my x-rays. My x-rays showed that I had previously fractured my ankle & never knew it. Dr. Yak gave me the most comfortable boot to wear so that I could be mobile & still able to work. I will recommend Mercer Bucks Orthopedic to everyone.
Rudolph Cassel
Mar 26, 2022
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Dr. Armbruster is very caring and an exceptional surgeon. Takes time to explain in detailed all questions that are asked with a smile and reassurance which makes one feel very safe and confident in his hands. I'm very happy with the hand surgery that he performed to remove the implants. Have good experience with the people working with him. Thank you.
Michael K. Mike
Mar 24, 2022
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Dr. Zak is the best doctor I've ever had treat me and I've had many. I had osteomyelitis from an open fracture on the left foot that a few doctors treated unsuccessfully. Then I was referred to Dr. Zak and everything changed for me from thinking of amputation to an infection free fully healed repaired foot in fairly short order. In collaboration with his assistant Katie, Dr. Zak acted quickly, precisely and successfully in getting me fixed and back on my feet. Thank you Dr. Zak and thank you Katie for all your help in getting me healthy again!
