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Dr. John J. Brennan sees patients in Southampton as an orthopedic surgeon with Orthopedic Assoc of Long Island Physicians and Medical Group PLLC.
Medical school: State University of New York Downstate Medical Center, class of 1993.
Orthopedic Assoc of Long Island Physicians and Medical Group PLLC's Southampton location at 325 Meeting House Ln, Southampton, NY 11968 is where Dr. Brennan sees patients — appointments by phone at (631) 689-6698. Dr. Brennan is also listed at 55 Medford Ave Unit E, Patchogue, NY 11772. The group behind the practice, Orthopedic Assoc of Long Island Physicians and Medical Group PLLC, lists 32 clinicians with Medicare. He accepts Medicare assignment — useful to know if you are on traditional Medicare.
Hospital affiliations on file with Medicare: St. Charles Hospital and Stony Brook University Hospital.
About Dr. Brennan's practice
- Specialty
- Orthopedic surgeon
- Credentials
- MD
- Practice
- Orthopedic Assoc of Long Island Physicians and Medical Group PLLC
- Address
- 325 Meeting House Ln, Southampton, NY 11968
- Phone
- (631) 689-6698
- Other locations
- 55 Medford Ave Unit E, Patchogue, NY 11772
- Medical school
- State University of New York Downstate Medical Center (1993)
- Hospital affiliations
- St. Charles Hospital, Stony Brook University Hospital
- Medicare assignment
- Accepts
- NPI number
- 1154353977
- NY license no.
- 211330
Have you been a patient of Dr. Brennan? A short, fair review — what went well, what didn't — helps the next person choosing an orthopedic surgeon in Southampton.
Medicare, Medicaid and hospitals
- Medicare patients (2024)
- 1,027 people with traditional Medicare, average age 75
- Most common services billed to Medicare
- Aspiration and/or injection of fluid large joint using ultrasound guidance
- X-ray of knee, 4 or more views
- X-ray of shoulder, minimum of 2 views
- Procedures on Medicare Care Compare
- Upper limb (arm) arthroscopy (minimally invasive joint repair) 71 procedures
- Lower limb (leg) arthroscopy (minimally invasive joint repair) 21 procedures
- Knee replacement 17 procedures
- Hip replacement 11 procedures
- Medicare quality score (MIPS 2024)
- 19 out of 100 — reported individually
- New York Medicaid
- Enrolled fee-for-service provider since 2018. Medicaid managed-care plans keep their own networks, so check with your plan.
- Hospital pages
- St. Charles Hospital · Stony Brook University Hospital
Medicare figures cover people with traditional (fee-for-service) Medicare only; services billed for fewer than 11 patients are not published.
Comparing orthopedic surgeons? See 2 in Southampton or 126 across Long Island.
Other orthopedic surgeons in Long Island
Dr. Sandra J. Iannotti, MDOrthopedic Surgeon · Stony Brook Orthopaedic Associates, University Faculty Practice CorporNo reviews yetEast Setauket, NY
Dr. Stephen Kottmeier, MDOrthopedic Surgeon · Stony Brook Orthopaedic Associates, University Faculty Practice CorporNo reviews yetEast Setauket, NY
Dr. Steven Puopolo, MDHand Surgeon · Orthopedic Assoc of Long Island Physicians and Medical Group PLLCNo reviews yetEast Setauket, NY
Dr. Stuart B. Cherney, MDOrthopedic Surgeon · Stony Brook Orthopaedic Associates, University Faculty Practice CorporNo reviews yetEast Setauket, NY
Dr. Teresa A. Habacker, MDHand Surgeon · Stony Brook Orthopaedic Associates, University Faculty Practice CorporNo reviews yetEast Setauket, NY
Dr. Thomas J. Dowling, MDOrthopedic Surgeon · Chs Physician Partners PCNo reviews yetSmithtown, NYWrite a review
Frequently Asked Questions
With Orthopedic Assoc of Long Island Physicians and Medical Group PLLC, at 325 Meeting House Ln, Southampton, NY 11968.
Call the office at (631) 689-6698.
Yes — Dr. Brennan accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
St. Charles Hospital and Stony Brook University Hospital.
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