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 Medicaid, Medicare, UnitedHealthcare 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 Dr. Brennan 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.
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 of the right shoulder
- Osteoarthritis of the left shoulder
- 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
- M19011: Primary osteoarthritis, right shoulder
- M19012: Primary osteoarthritis, left shoulder
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
- Left Hip Pain
- Hip Injuries and Disorder
- Pain
- Sore Right Hip
- Right Hip Ache
- Right Hip Discomfort
- Sore Left Hip
- Left Hip Ache
- Left Hip Discomfort
ICD-10 Codes:
- M25551: Pain in right hip
- M25552: Pain in left hip
Also known as:
- Joint Replacement Aftercare
- Hip Replacement
- Joint Disorder
- Knee Replacement
- Post-joint replacement care
- Joint surgery recovery
- Orthopedic aftercare
ICD-10 Codes:
- Z471: Aftercare following joint replacement surgery
Also known as:
- Low Back Pain
- Back Pain
- Lumbago
- Lower Back Ache
- Backache
ICD-10 Codes:
- M5450: Low back pain, unspecified
Also known as:
- Other tear of the medial meniscus in the right knee
- Other tear of the medial meniscus in the left knee
- Cartilage Disorder
- Knee Injuries and Disorder
- Torn meniscus
- Knee cartilage tear
- Meniscal injury
- Torn knee cartilage
ICD-10 Codes:
- S83241A: Other tear of medial meniscus, current injury, right knee, initial encounter
- S83242A: Other tear of medial meniscus, current injury, left knee, initial encounter
Also known as:
- Complete Rotator Cuff Tear
- Right Rotator Cuff Tear
- Rotator Cuff Injuries
- Full Rotator Cuff Tear
- Complete Rotator Cuff Rupture
- Severed Shoulder Tendon
- Right rotator cuff rupture
- Right shoulder tendon tear
- Right shoulder muscle tear
ICD-10 Codes:
- M75121: Complete rotator cuff tear or rupture of right shoulder, not specified as traumatic
- M75101: Unspecified rotator cuff tear or rupture of right shoulder, not specified as traumatic
Also known as:
- Pre-Procedure Lab Tests
- Pre-op blood work
- Lab tests before surgery
- Pre-treatment lab assessment
ICD-10 Codes:
- Z01812: Encounter for preprocedural laboratory examination
Also known as:
- Pinched Nerve in Lower Back
- Back Pain
- Peripheral Nerve Disorder
- Lumbar Radiculopathy
- Lower Back Nerve Compression
- Compressed Nerve in Lower Back
ICD-10 Codes:
- M5416: Radiculopathy, lumbar region
Also known as:
- Right Elbow Pain
- Elbow Injuries and Disorder
- Pain
- Aching right elbow
- Sore right elbow
- Right elbow discomfort
ICD-10 Codes:
- M25521: Pain in right elbow
What procedures does Dr. Brennan 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.
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:
- Shoulder Arthroscopy with Biceps Repair
- Shoulder Bone Shaving (Arthroscopic)
- Limited Shoulder Debridement (Arthroscopic)
- Extensive Shoulder Arthroscopy Debridement
- Endoscopy
- Arthroscopic Biceps Tenodesis
- Keyhole Shoulder Biceps Surgery
- Shoulder Scope Biceps Repair
- Arthroscopic Distal Claviculectomy
- Mumford Procedure (Arthroscopic)
- AC Joint Resection (Arthroscopic)
- Arthroscopic Shoulder Clean-up
- Shoulder Joint Debridement
- Keyhole Shoulder Repair
- Rotator Cuff Debridement
- Shoulder Scope Cleaning
- Arthroscopic Shoulder Debridement
- Shoulder Joint Cleanup Surgery
CPT Codes:
- 29828: Arthroscopy, shoulder, surgical; biceps tenodesis
- 29824: Arthroscopy, shoulder, surgical; distal claviculectomy including distal articular surface (Mumford procedure)
- 29822: Arthroscopy, shoulder, surgical; debridement, limited, 1 or 2 discrete structures (eg, humeral bone, humeral articular cartilage, glenoid bone, glenoid articular cartilage, biceps tendon, biceps anchor complex, labrum, articular capsule, articular side of the rotator cuff, bursal side of the rotator cuff, subacromial bursa, foreign body[ies])
- 29823: Arthroscopy, shoulder, surgical; debridement, extensive, 3 or more discrete structures (eg, humeral bone, humeral articular cartilage, glenoid bone, glenoid articular cartilage, biceps tendon, biceps anchor complex, labrum, articular capsule, articular side of the rotator cuff, bursal side of the rotator cuff, subacromial bursa, foreign body[ies])
Also known as:
- Knee Arthroscopy with Meniscus and Cartilage Repair
- Endoscopy
- Knee Scope with Meniscectomy
- Knee Cartilage Shaving
- Arthroscopic Knee Debridement
- Knee scope with meniscectomy
- Arthroscopic knee surgery
- Cartilage shaving knee
- Meniscus repair knee arthroscopy
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
- 29880: Arthroscopy, knee, surgical; with meniscectomy (medial AND 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
- Partial Knee Replacement
- Knee Replacement
- Total Knee Arthroplasty
- Knee Joint Replacement
- Full Knee Replacement
- TKA Surgery
- Unicompartmental Knee Arthroplasty
- Medial Knee Replacement
- Lateral Knee Replacement
- Partial Knee Resurfacing
CPT Codes:
- 27447: Arthroplasty, knee, condyle and plateau; medial AND lateral compartments with or without patella resurfacing (total knee arthroplasty)
- 27446: Arthroplasty, knee, condyle and plateau; medial OR lateral compartment
Also known as:
- Total Hip Replacement
- Hip Replacement
- Hip arthroplasty
- Artificial hip surgery
- Hip joint replacement
- Femoral head replacement
CPT Codes:
- 27130: Arthroplasty, acetabular and proximal femoral prosthetic replacement (total hip arthroplasty), with or without autograft or allograft
Also known as:
- Trigger Finger Release Surgery
- Tendon Sheath Incision
- Trigger Finger Tenolysis
- Finger Tendon Release
- Hand Tendon Surgery
CPT Codes:
- 26055: Tendon sheath incision (eg, for trigger finger)
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
Also known as:
- Femoral Nerve Block Injection
- Femoral nerve injection
- Thigh nerve block
- Pain relief injection for thigh
- Nerve block with imaging guidance
CPT Codes:
- 64447: Injection(s), anesthetic agent(s) and/or steroid; femoral nerve, 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
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
HealthComp
Medicare
New York Life
Oscar Health Insurance Co
Service Employees International Union (SEIU)
State of Tennessee
UnitedHealthcare
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. 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. Contact Dr. Brennan to book an appointment today.
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
Where can I learn more about Orthopedic Surgeon?
Explore Orthopedic Surgeon with 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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