WB
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Brennan, Orthopedic Surgeon in Warwick, RI?
Dr. William Brennan, MD is an Orthopedic Surgeon, who primarily practices in Warwick, RI with 1 additional practice location. He is board certified. Dr. Brennan completed his residency at Med Coll Wi Affil Hosps, Internal Medicine Med Coll Wi Affil Hosps, Flexible Or Transitional Year. Dr. Brennan is fluent in English and Portuguese, and is currently seeing new patients. Dr. Brennan’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Brennan’s office at (401) 738-3730.
What are Areas of Expertise for Dr. Brennan?
Dr. William Brennan, MD is a highly-rated, board-certified Orthopedic Surgeon known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Brennan empowers patients to confidently navigate their health journey, specializing in Spinal Surgery, and comprehensive wellness support. Serving the Warwick, RI community, Dr. Brennan is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Brennan go to medical school and complete their residency?
Residency: Med Coll Wi Affil Hosps, Internal Medicine Med Coll Wi Affil Hosps, Flexible Or Transitional Year
Medical School: Med Coll of Wi, Milwaukee Wi
Is Dr. Brennan board certified as an Orthopedic Surgeon?
Yes, Dr. William 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
Portuguese
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:
- Lower Back and Tailbone Spinal Stenosis
- Spinal Stenosis
- Lumbosacral Spinal Stenosis
- Narrowing of Lower Back Spinal Canal
- Nerve Compression in Lumbosacral Spine
ICD-10 Codes:
- M4807: Spinal stenosis, lumbosacral region
Also known as:
- Spondylolisthesis of the Lower Back
- Spine Injuries and Disorder
- Slipped Vertebra in Lower Back
- Lumbar Spondylolisthesis
- Lower Back Spinal Slip
ICD-10 Codes:
- M4316: Spondylolisthesis, lumbar region
Also known as:
- Lower Back Disc Displacement
- Spine Injuries and Disorder
- Slipped Disc in Lower Back
- Herniated Disc in Lumbar Spine
- Lumbar Disc Protrusion
ICD-10 Codes:
- M5126: Other intervertebral disc displacement, lumbar region
Also known as:
- Neck Pain
- Neck Injuries and Disorder
- Cervical Pain
- Sore Neck
- Neck Ache
ICD-10 Codes:
- M542: Cervicalgia
Also known as:
- Neck Disc Disorder with Nerve Pain
- Neck Injuries and Disorder
- Peripheral Nerve Disorder
- Herniated Disc in Neck with Radiculopathy
- Pinched Nerve in Neck
- Slipped Disc causing Nerve Pain
ICD-10 Codes:
- M5010: Cervical disc disorder with radiculopathy, unspecified cervical region
Also known as:
- Lower Back Ligament Sprain
- Spine Injuries and Disorder
- Sprains and Strains
- Lumbar Sprain
- Back Ligament Injury
- Twisted Lower Back
ICD-10 Codes:
- S335XXD: Sprain of ligaments of lumbar spine, subsequent encounter
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:
- Joint or Bursa Injection/Fluid Removal
- Arthrocentesis
- Major Joint Aspiration
- Bursa Injection
- Joint Fluid Removal
CPT Codes:
- 20610: Arthrocentesis, aspiration and/or injection, major joint or bursa (eg, shoulder, hip, knee, subacromial bursa); without ultrasound guidance
Does Dr. Brennan accept my insurance?
Dr. Brennan accepts most major insurance plans. Important: Please call our office at (401) 738-3730 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Brennan accept in Warwick, RI?
Dr. Brennan in Warwick, RI accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Cross and Blue Shield of North Carolina
CVS Health (formerly Aetna)
Federal government of the United States
Medicare
Neighborhood Health Plan of Rhode Island
Point32Health
State of Rhode Island
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Brennan's office located?
Dr. William Brennan's Primary Practice
120 Centerville Rd
Warwick, RI 02886
(401) 738-3730
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 1114926185.
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. William Brennan's specialty?
Dr. Brennan is a Orthopedic Surgeon near Warwick, RI.
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. William Brennan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Brennan is affiliated with South County Hospital Campus 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 William Brennan accepting new patients in Warwick, RI?
Yes, Dr. William Brennan is accepting new patients at this time.
Does Dr. William Brennan offer online booking?
Please contact Dr. Brennan's office at (401) 738-3730 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with William Brennan?
Please contact Dr. Brennan's office at (401) 738-3730 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. William Brennan have?
Dr. William Brennan is certified by the American Board of Orthopaedic Surgery.
Other Orthopedic Surgeon Near Warwick, RI

Orthopedic Surgeon
Dr. Scott Allen, MD is an Orthopedic Surgeon, who primarily practices in Warwick, RI with 1 additional practice location. He has been practicing for over 21 years and is board certified.
Warwick, RI
JT
Foot and Ankle Surgeon
Dr. Jason Tartaglione, MD is a Foot and Ankle Surgeon, who primarily practices in Warwick, RI with 1 additional practice location.
Warwick, RI
PR
Orthopedic Surgeon
Dr. Philip Reilly, MD is an Orthopedic Surgeon, who primarily practices in Warwick, RI. He has been practicing for over 35 years and is board certified.
Warwick, RI