Dr. John Brennan MD

  • Orthopedic Surgery East Setauket, NY

Patient Reviews

Reviews reflect patients' level of satisfaction with the care they received from this provider. Dr. John Brennan xhas an overall rating of 4.0.

Specialties & Expertise

Dr. John Brennan has the following 20 areas of expertise, 1 specialty and 2 board certifications.

Orthopedic Surgery

An orthopaedic surgeon is a physician who specializes in diagnosis and surgical treatment of injuries and disorders involving the musculoskeletal system, such as hip replacements and arthroscopic knee surgery.
In addition to treating trauma to the musculoskeletal system, these doctors also deal with sports injuries, degenerative diseases, infections, tumors and congenital disorders.


See areas of expertise for treating specific conditions, procedures and surgeries for this doctor.

Board Certifications

See the board certifications this doctor has received. Board certifications provide confidence that this doctor meets the nationally recognized standards for education, knowledge and experience.

Locations & Directions

St Charles Orthopedics

6 Technology Dr
East Setauket, NY 11733

St Charles Orthopedics

475 E Main St
Patchogue, NY 11772

Southampton Pulmonary Medicine PC

325 Meeting House Ln
Southampton, NY 11968

Nearby Doctors

Dr. John Brennan, MD is similar to these 3 Doctors near East Setauket, NY.