33 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Brennan, Orthopedic Surgeon in Southampton, NY?
Dr. John Brennan, MD is an Orthopedic Surgeon, who primarily practices in Southampton, NY with 2 additional practice locations. He has been practicing for over 33 years and is board certified. Dr. Brennan completed his residency at St Lukes Roosevelt Hospital Center. He is a member of the American Association of Hip and Knee Surgeons, Medical Society of the State of New York, Suffolk County Medical Society, and Irish-American Orthopedic Society. Dr. Brennan is fluent in English and Spanish, and is currently seeing new patients. Dr. Brennan’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Brennan’s office at (631) 689-6698.
Where did Dr. Brennan go to medical school and complete their residency?
Residency: St Lukes Roosevelt Hospital Center
Medical School: SUNY Health Science Center at Brooklyn - NY
Is Dr. Brennan board certified as an Orthopedic Surgeon?
Yes, Dr. John Brennan, MD is board certified by the American Board of Orthopaedic Surgery
What languages does Dr. Brennan speak?
Dr. Brennan and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does an Orthopedic Surgeon like Dr. Brennan typically treat?
As an Orthopedic Surgeon, Dr. Brennan diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Brennan. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Pain in Right Knee
- Pain in Left Knee
- Knee Injuries and Disorder
- Pain
- Right Knee Ache
- Right Knee Discomfort
- Sore Right Knee
- Left Knee Ache
- Left Knee Discomfort
- Sore Left Knee
ICD-10 Codes:
- M25561: Pain in right knee
- M25562: Pain in left knee
Also known as:
- Primary Osteoarthritis in Right Knee
- Osteoarthritis of the left knee
- Osteoarthritis of both knees
- Osteoarthritis
- Right Knee Arthritis
- Right Knee Degenerative Joint Disease
- Degenerative joint disease
- Wear-and-tear arthritis
- Arthrosis
- Joint degeneration
ICD-10 Codes:
- M1711: Unilateral primary osteoarthritis, right knee
- M1712: Unilateral primary osteoarthritis, left knee
- M170: Bilateral primary osteoarthritis of knee
Also known as:
- Right Shoulder Pain
- Left Shoulder Pain
- Pain
- Shoulder Injuries and Disorder
- Sore Right Shoulder
- Right Shoulder Ache
- Right Shoulder Discomfort
- Sore Left Shoulder
- Left Shoulder Ache
- Left Shoulder Discomfort
ICD-10 Codes:
- M25511: Pain in right shoulder
- M25512: Pain in left shoulder
Also known as:
- Right Hip Pain
- Hip Injuries and Disorder
- Pain
- Sore Right Hip
- Right Hip Ache
- Right Hip Discomfort
ICD-10 Codes:
- M25551: Pain in right hip
What procedures does an Orthopedic Surgeon like Dr. Brennan typically perform?
As an Orthopedic Surgeon, Dr. Brennan performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Brennan. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Major Joint Injection or Fluid Removal with Ultrasound
- Joint or Bursa Injection/Fluid Removal
- Ultrasound-Guided Arthrocentesis
- Shoulder Injection with Ultrasound
- Hip Aspiration with Ultrasound
- Knee Injection with Ultrasound
- Arthrocentesis
- Major Joint Aspiration
- Bursa Injection
- Joint Fluid Removal
CPT Codes:
- 20611: Arthrocentesis, aspiration and/or injection, major joint or bursa (eg, shoulder, hip, knee, subacromial bursa); with ultrasound guidance, with permanent recording and reporting
- 20610: Arthrocentesis, aspiration and/or injection, major joint or bursa (eg, shoulder, hip, knee, subacromial bursa); without ultrasound guidance
Also known as:
- Shoulder Arthroscopy for Decompression
- Arthroscopic Rotator Cuff Repair
- Endoscopy
- Arthroscopic Shoulder Decompression
- Subacromial Decompression
- Shoulder Impingement Surgery
- Acromioplasty
- Shoulder Arthroscopy for Rotator Cuff
- Keyhole Rotator Cuff Surgery
- Minimally Invasive Shoulder Repair
CPT Codes:
- 29826: Arthroscopy, shoulder, surgical; decompression of subacromial space with partial acromioplasty, with coracoacromial ligament (ie, arch) release, when performed (List separately in addition to code for primary procedure)
- 29827: Arthroscopy, shoulder, surgical; with rotator cuff repair
Also known as:
- Knee Arthroscopy with Meniscus and Cartilage Repair
- Endoscopy
- Knee Scope with Meniscectomy
- Knee Cartilage Shaving
- Arthroscopic Knee Debridement
CPT Codes:
- 29881: Arthroscopy, knee, surgical; with meniscectomy (medial OR lateral, including any meniscal shaving) including debridement/shaving of articular cartilage (chondroplasty), same or separate compartment(s), when performed
Also known as:
- Total Knee Replacement
- Knee Replacement
- Total Knee Arthroplasty
- Knee Joint Replacement
- Full Knee Replacement
- TKA Surgery
CPT Codes:
- 27447: Arthroplasty, knee, condyle and plateau; medial AND lateral compartments with or without patella resurfacing (total knee arthroplasty)
Also known as:
- Brachial Plexus Nerve Block
- Shoulder Nerve Injection
- Arm Pain Injection
- Imaging-Guided Nerve Block
CPT Codes:
- 64415: Injection(s), anesthetic agent(s) and/or steroid; brachial plexus, including imaging guidance, when performed
Does Dr. Brennan accept my insurance?
Dr. Brennan accepts most major insurance plans. Important: Please call our office at (631) 689-6698 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Brennan accept in Southampton, NY?
Dr. Brennan in Southampton, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Medicare
New York Life Insurance Company
Oscar Health
Service Employees International Union (SEIU)
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Brennan's office located?
Dr. John Brennan's Primary Practice
325 Meeting House Ln Bldg 1
Southampton, NY 11968
(631) 689-6698
Ratings & Reviews
5.0
Overall rating
Based on 27 reviews
Office Experience
97% of patients found the doctor and staff friendly and the office clean and modern
Attentiveness
100% of patients felt that their time spent with the doctor was meaningful and impactful and that any follow ups were addressed quickly
Wait Times
80% of patients were satisfied with the wait time
Appointment Booking
100% of patients found it easy to book an appointment
Patients give Dr. John Brennan an Excellent overall experience rating of 5 out of 5 stars. Dr. Brennan has been rated and reviewed by 27 patients. These ratings are based on a variety of factors, including the amount of time patients spent with Dr. Brennan, his bedside manner, appointment waiting time, friendliness of the office staff, clarity of diagnosis, and more.
Read Patient ReviewsRecognitions
Memberships & Associations
American Association of Hip and Knee Surgeons
Professional Member
Medical Society of the State of New York
Professional Member
Suffolk County Medical Society
Professional Member
Irish-American Orthopedic Society
Professional Member
What is Dr. Brennan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Brennan's National Provider Identifier (NPI) number is 1154353977.
What common questions do patients ask about Dr. Brennan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Brennan
What is Dr. John Brennan's specialty?
Dr. Brennan is a Orthopedic Surgeon near Southampton, NY.
What does an Orthopedic Surgeon do?
An orthopedic surgeon has specialization in preserving, investigating, and restoring the form and function of the extremities, spine, and related structures through medical, surgical, and physical methods. They care for patients with musculoskeletal issues, including congenital deformities, trauma, infections, tumors, metabolic disturbances, and degenerative diseases affecting the spine, hands, feet, knees, hips, shoulders, and elbows in both children and adults. Additionally, orthopedic surgeons address primary and secondary muscular problems and the impact of central or peripheral nervous system lesions on the musculoskeletal system.
Is this Dr. John Brennan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Brennan is affiliated with Stony Brook Southampton Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see an Orthopedic Surgeon?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Orthopedic Surgeon. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is John Brennan accepting new patients in Southampton, NY?
Yes, Dr. John Brennan is accepting new patients at this time.
Does Dr. John Brennan offer online booking?
Please contact Dr. Brennan's office at (631) 689-6698 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Brennan?
Please contact Dr. Brennan's office at (631) 689-6698 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Brennan have?
Dr. John Brennan is certified by the American Board of Orthopaedic Surgery.
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