About Us

Our orthopedic surgeons are fellowship-trained and personally manage every aspect of your care including office visits, surgeries, casting, and review of imaging studies. When you visit, your appointment will always be with your doctor. Most insurance companies allow you to make an appointment without a referral, but if you are referred to us for care, we will coordinate with your other provider to ensure the best possible outcome.

Our Services


Orthopedic doctors and surgeons are physicians who care for your musculoskeletal system, which includes your bones, joints, ligaments, nerves, and tendons. All of our surgeons are fellowship-trained and board-certified in orthopedics, with extensive experience providing surgical and non-operative care in the following areas.

Neck (Cervical Spine) Conditions

Proliance Southwest Seattle Orthopedics physicians treat of wide variety of neck conditions and offer comprehensive examinations to determine the cause of your pain so that they can create an individualized treatment plan.


Upper and Lower Back Conditions

Our orthopedic surgeons are uniquely trained and experienced in the diagnosis and treatment of upper and lower back conditions such as arthritis, stenosis, herniated discs, fractures, sprains, strains, scoliosis and more.


Foot and Ankle Conditions

The foot and ankle specialists at Proliance Southwest Seattle Orthopedics determine the potential causes for pain, swelling, stiffness, or dysfunction of the foot and develop a treatment plan that meets the patient’s needs.


Our Providers


Peters T. Otlans, MD, MPH

Orthopedic Surgery, Orthopedic Sports Medicine

Orthopedic Surgery and Sports Medicine
View Bio

Alan D. Barronian, MD

Orthopedic Surgery

Joint replacements, Sports injuries
View Bio

William L. Clark, MD

Hand Surgery, Shoulder and Elbow Orthopedic Surgery

View Bio
Excellent staff even when you’re at your worst they still treat you with respect and treat you with care. You can’t find people like that anymore, thank you!
– Patient Name

Our Locations

Patient Resources

Preoperative Patient Information

Patient Information Videos

Shoulder/Elbow Conditions

Upper and Lower Back Conditions

Wrist/Hand Conditions

Neck (Cervical Spine) Conditions

Hip/Pelvis Conditions

Knee/Leg Conditions

Foot/Ankle Conditions

Sports Injuries

View Location Photos

Proliance Southwest Seattle Orthopedics

Three Tree Medical Arts Building | 16259 Sylvester Rd SW | Suite 501 | Burien, WA 98166-3059

Southwest Seattle Ambulatory Surgery Center

275 SW 160th Street | Suite 200 | Burien, WA 98166-3003

Featured Stories

Proliance Surgeons Foundation Launches: Forging a Healthier, More Equitable Future for Our Communities

Join us in strengthening community bonds as we launch the Proliance Surgeons Foundation! Together, let's pave the way for a brighter future.

See More

Join the 2023 Proliance Surgeons Tacoma City Turkey Trot 5K Run/Walk!

We are excited and honored to be sponsoring the American Cancer Society's Making Strides 5K walk. We invite our community to walk with us in the battle against breast cancer.

See More

Proliance Surgeons Recognized on Newsweek’s America’s Best Ambulatory Surgery Centers for 2024

Proliance Surgeons is proud to see three of its Ambulatory Surgery Centers recognized on Newsweek's 2024 list of America's Best Ambulatory Surgery Centers.

See More