Orthopaedic and Neurosurgery Specialists PC

ONS Greenwich

Orthopedic Surgery, Neurosurgery · 22 Providers

Average Rating of all Office Providers
Today's Office Hours: 08:30 AM - 05:30 PM
View Office Hours »

Office Providers

Office Provider Reviews


based on the average of 342 provider reviews for Orthopaedic and Neurosurgery Specialists PC

Review of Dr. Kavanagh

- in New York, NY |

Dr. Kavanagh did a total right knee replacement for me in April. Prior to my surgery, I was given a very comprehensive packet of information and attended a class outlining what the procedure and aftercare would be. A bending machine was sent to my home, set up, and I was taught how to use it. My surgery went very well, and I received excellent care in Greenwich hospital along with several sessions of physical therapy. I also received at home PT and then outpatient PT as well. I was driving within three and a half weeks. My follow-up visits went very well. I highly recommend Dr.Kavanagh.
Flag Comment
Was this review helpful?
Review of Dr. Ennis


I don’t recommend this doctor. This doctor missed a major hamstring tear in my leg after I fell and also fractured my hip. Everyday my leg swells, I experience terrible sharp burning pain that keeps me up at night and I have limited use and motion of my leg. I’ve done physical therapy at this practice to which I was told by a PT to never return after no improvement after a month in of therapy. My leg will never be normal again, I will always need a cane. As a young person this is very distressing news. Maybe if this problem was realized my outcome could of been different. Disappointed with my experience at this practice.
Flag Comment
Was this review helpful?
Review of Dr. Delos

- |

Dr. Delos changed my life! I went into my first appointment not knowing what to expect, and truly scared. He was kind, understanding, and extremely knowledgeable of my situation. I went in thinking my knee was dislocating, and after ten minutes of talking and examining my knee, Dr. Delos explained to me that my knee cap was dislocating, making it looser each time. I had surgery a month later and now I feel so much more secure! I can do everyday activities with ease, whereas before I was scared to even walk. I highly recommend Dr. Delos! He was amazing in everyway!
Flag Comment
Was this review helpful?
Review of Dr. Fiore

- in Trumbull, CT |

Best dr. I’ve ever met! Super knowledgeable, straight to the point, highly skilled surgeon. Had my lower back (L4/5) surgery with him...it’s been 10 years now, yearly follow up...never felt better...struggled with lower back pain for over 15 years...wouldn’t recommend anyone else but him for back surgery.
Flag Comment
Was this review helpful?
Dr. Fiore:
That you, Paulo!... more
Flag Comment
Review of Dr. Kavanagh

- in New City, NY |

wonderful care and great office staff. Now pain free. Highly recommend Dr K and his staff
Flag Comment
Was this review helpful?
Dr. Kavanagh:
Dr. Kavanagh and his staff appreciate your recommendation.... more
Flag Comment
Review of Dr. Kowalsky

- |

This is a follow-up to my 5-star review of Dr. Kowalsky (dated 12/13/18), shortly after I completed P/T and had my last visit with the doctor. I had suffered a very serious shoulder injury while bicycling late May 2018. Dr. Kowalsky performed a complex surgery mid-June to repair my shoulder, which had several tears of the rotator cuff and biceps. I am now back on my bicycle, and doing the somewhat challenging rides that I had been doing prior to my accident, although perhaps a bit more carefully. My shoulder feels great, is working great, and I can't speak highly enough of Dr. Kowalsky's surgical skills and wonderful bedside manner. I would highly recommend him to anyone with a shoulder injury.
Flag Comment
Was this review helpful?
Dr. Kowalsky:
Thank you, Bruce!... more
Flag Comment
Review of Dr. Wei

- in Stamford , CT |

Dr. Wei recently performed surgery on my wrist. He has a patient manner about him and clearly articulated the problem and possible solutions. I’d certainly consult Dr. Wei first if future hand or wrist problems arise.
Flag Comment
Was this review helpful?
Dr. Wei:
Thank you for giving a shout out to Dr. Wei!... more
Flag Comment
Review of Dr. Delos

- in Wilton, CT |

Dr Delos did surgery on my 15 year old son's shattered collarbone, putting in a long plate and 8 screws. My son felt very little pain within 2-3 days and none by one week out. His physical therapist was AMAZED at his mobility and strength - and the fact that he had zero pain - and gave all the credit to his surgeon. Dr Delos followed up himself by phone and then multiple appts to make sure all was well. To my son's delight he was cleared to return to lacrosse 2 weeks earlier than expected. We would recommend him without any hesitation!
Flag Comment
Was this review helpful?
Dr. Delos:
Your comments mean to world to Dr. Delos and all of us at ONS!... more
Flag Comment
Review of Dr. Wei


Could have pushed surgery on me for a broken metacarpal but assured me it wasn't needed. Appointments were quick and he explained what was going on very well. Would recommend to anyone.
Flag Comment
Was this review helpful?
Dr. Wei:
Thank you for your recommendation!... more
Flag Comment
Review of Dr. Kavanagh


I am one hip down, one knee down and waiting to get the second knee done. There is no one else I would use other than Dr Kavanagh. No other words other than he is the best. The office and all around you there are so kind and willing to help you always. My experience has always been exceptional.
Flag Comment
Was this review helpful?

Learn About Orthopaedic and Neurosurgery Specialists PC

210 Procedures

  • Achilles Tendon Reconstruction
  • Achilles Tendon Rupture Repair
  • Achilles Tenotomy
  • Acl Surgery
  • All Shoulder Or Elbow Replacement Procedures
  • Ankle Arthroscopy
  • Ankle Fracture Repair
  • Ankle Fusion
  • Ankle Ligament Reconstruction
  • Ankle Replacement
  • Ankle Surgery
  • Arm Surgery
  • Arthritic Hand Reconstruction
  • Arthroscopic Joint Surgery
  • Arthroscopic Knee Shaving
  • Arthroscopic Labrum Repair
  • Arthroscopic Meniscus Repair
  • Arthroscopic Rotator Cuff Repair
  • Arthroscopic Shoulder Surgery
  • Arthroscopic Surgery
  • Arthroscopic Wrist Surgery
  • Bi-Compartmental Knee Replacement
  • Bicep Repairs
  • Brain Surgery
  • Brain Tumor Surgery
  • Bunion Surgery
  • Bunionette Correction
  • Calcaneal Osteotomy
  • Carotid Ultrasound
  • Carpal Tunnel Release
  • Carpal Tunnel Release Surgery, Endoscopic
  • Carpal Tunnel Release Surgery, Open
  • Cerebrospinal Fluid (Csf) Shunt - Insertion, Repair Or Removal
  • Cervical Herniated Disc Surgery
  • Cervical Spine Reconstruction
  • Computer-Assisted Total Knee Replacement
  • Congenital Hand Surgery
  • Cortisone Injection
  • Craniectomy, Craniotomy, Surgery Of Skull Base, Neuroendoscopy
  • De Quervain'S Release
  • Debridement
  • Disc Replacement
  • Disc Surgery
  • Dressing And-Or Debridement Of Wound, Infection, Or Burn (Incl. Negative Pressure Wound Therapy)
  • Dupuytren'S Contracture Injection
  • Dural Repair Or Other Spinal Cord Repair
  • Elbow Arthroscopy
  • Elbow Fracture And Dislocation Treatment
  • Elbow Fracture And-Or Dislocation Treatment, Closed
  • Elbow Fracture And-Or Dislocation Treatment, Open
  • Elbow Ligament Reconstruction
  • Elbow Reconstruction
  • Elbow Replacement
  • Elbow Surgery
  • Elbow Tenotomy
  • Emg (Electromyography)
  • Endoscopic Hand Surgery
  • Endoscopic Plantar Fasciotomy
  • Endoscopic Wrist Surgery
  • Epidural Block, Facet Blocks
  • Epidural Cortisone Injection
  • Epidural Steroid Injections
  • Excision Of Humerus
  • Excision Of Metacarpal And Carpal
  • Excision Of Radius Or Ulna
  • Excision Of Scapula, Clavicle, Rib, Or Sternum
  • Excision Of Tarsal Or Metatarsal
  • Excision Of Tibia Or Fibula
  • Facet Block
  • Facet Joint Injection
  • Finger Joint Fusion
  • Fluoroscopic-Guided Hip Injection
  • Foot And Ankle Dislocationtreatment, Open
  • Foot And Ankle Fracture And Dislocation Treatment
  • Foot And Ankle Fracture Treatment, Closed
  • Foot And Ankle Fracture Treatment, Open
  • Foot And Ankle Ligament And Tendon Repair
  • Foot And Ankle Reconstruction
  • Foot And Ankle Surgery
  • Foot Surgery
  • Forefoot Reconstruction
  • Fracture And-Or Dislocation Treatment
  • Fracture Care
  • Fracture Open Reduction And Internal Fixation (Orif)
  • Glenoid Labrum Repair
  • Hammer Toe Repair
  • Hand And Elbow Microvascular Surgery
  • Hand And Wrist Fracture And Dislocation Treatment
  • Hand And Wrist Fracture Treatment, Closed
  • Hand And Wrist Fracture Treatment, Open
  • Hand And Wrist Fusion
  • Hand Or Wrist Tendon Transfer
  • Hand Reconstruction
  • Hand Surgery
  • Hand Tendon Repair
  • Hand, Elbow, And Shoulder Microvascular Surgery
  • Herniated Disc Surgery
  • Hip Arthroscopy
  • Hip Fracture And Dislocation Treatment
  • Hip Fracture And-Or Dislocation Treatment, Closed
  • Hip Fracture And-Or Dislocation Treatment, Open
  • Hip Replacement
  • Hip Replacement Revision
  • Hip Resurfacing
  • Hip Surgery
  • Injection Of Tendon
  • Joint Drainage
  • Joint Injection
  • Knee And Leg Fracture And Dislocation Treatment
  • Knee And Lower Leg Fracture Treatment, Closed
  • Knee And Lower Leg Fracture Treatment, Open
  • Knee Arthroscopy
  • Knee Cartilage Implantation
  • Knee Cartilage Repair
  • Knee Cartilage Treatment
  • Knee Debridement
  • Knee Dislocation Treatment
  • Knee Ligament Reconstruction
  • Knee Osteotomy
  • Knee Replacement
  • Knee Replacement Revision
  • Knee Surgery
  • Knee Tendon Repair
  • Kyphoplasty
  • Kyphoplasty, Percutaneous
  • Lamina Procedures (Incl. Laminectomy, Laminoplasty, Laminotomy)
  • Laminectomy
  • Ligament Reconstruction
  • Lumbar Epidural Steroid Injection
  • Lumbar Facet Joint Injection
  • Lumbar Laminectomy
  • Lumbar Selective Nerve Root Block
  • Metatarsal Osteotomy
  • Metatarsal Surgery
  • Microdiscectomy
  • Midfoot Fracture And-Or Dislocation Surgery
  • Mini Knee Surgery
  • Minimally Invasive Spine Surgery
  • Morton’S Neuroma Surgery
  • Myofascial Trigger Point Injection
  • Neck Surgery
  • Nerve Block, Somatic
  • Nerve Destruction By Neurolytic Agent
  • Nerve Reconstruction
  • Nerve Surgery
  • Neurostimulation
  • Open Reduction Internal Fixation (Orif) Of Metatarsal Fracture
  • Osteotomy
  • Partial Knee Replacement
  • Partial Shoulder Replacement
  • Peripheral Nerve Block
  • Platelet-Rich Plasma Injection (Prp)
  • Posterior Tibial Tendon Reconstruction
  • Reconstructive Ankle Surgery
  • Reconstructive Foot Surgery
  • Repair Intracranial Aneurysm
  • Resection Or Ablation Of Bone Tumor, Partial Or Complete Resection Of Bone, Debridement Of Bone
  • Reverse Total Shoulder And Total Shoulder Replacement
  • Revision Of Shoulder Or Elbow Replacement
  • Revision Surgery
  • Rotator Cuff And Labral Repair
  • Rotator Cuff Surgery
  • Sacroiliac Joint Injection
  • Separated Femoral Epiphysis Treatment
  • Shoulder Cartilage Treatment
  • Shoulder Dislocation Treatment
  • Shoulder Fracture And Dislocation Treatment
  • Shoulder Fracture Treatment
  • Shoulder Reconstruction
  • Shoulder Replacement
  • Shoulder Resurfacing
  • Shoulder Stabilizations
  • Shoulder Surgery
  • Simple Fracture Care And Casting
  • Spinal Compression Fracture Repair
  • Spinal Cord Stimulation
  • Spinal Decompression
  • Spinal Discectomy
  • Spinal Fusion
  • Spinal Injections
  • Spinal Nerve Block
  • Spinal Reconstructive Surgery For Deformities
  • Spinal Tumor Surgery
  • Spine Fracture Treatment
  • Spine Surgery
  • Sports Medicine Related Procedures
  • Sports Medicine Surgery
  • Stem Cell Transplant
  • Stereotactic Radiosurgery
  • Stereotactic Radiosurgery, Spinal Or Cranial
  • Stereotactic Surgery
  • Stereotaxis
  • Steroid Injection
  • Subtalar Arthrodesis
  • Tendon Repair
  • Tendon Surgery
  • Tommy John Surgery
  • Transcutaneous Electrical Nerve Stimulation (Tens)
  • Tricep Repair
  • Trigger Finger Release
  • Trigger Point Injection
  • Ultrasound-Guided Injection
  • Uni-Compartmental Knee Replacement
  • Viscosupplementation With Hyaluronate
  • Wrist And Forearm Tenotomy
  • Wrist Fusion
  • Wrist Ligament Reconstruction
  • Wrist Reconstruction
  • Wrist Replacement
  • Wrist Surgery


Read More

Who We Are

  • With 26 sub-specialty trained physicians in orthopedics, neurosurgery, sports medicine and physical medicine/rehabilitat Read More

Language Services

  • Chinese, Mandarin
  • Greek
  • Mandarin
  • Spanish

Orthopaedic and Neurosurgery Specialists PC accepts 15 insurance carriers

  • Aetna
  • Anthem
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Cigna
  • Connecticare
  • EmblemHealth
  • First Health (Coventry Health Care)
  • Golden Rule
  • Harvard Pilgrim Health Care
  • Medicaid
  • Oxford Health Plans
  • Tufts Health Plan
  • UnitedHealthCare
  • Worker's Compensation
*Please verify this information when scheduling an appointment.