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


William L. Clark, MD

Hand Surgery, Shoulder and Elbow Orthopedic Surgery

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Alan D. Barronian, MD

Orthopedic Surgery

Joint replacements, Sports injuries
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Peters T. Otlans, MD, MPH

Orthopedic Surgery, Orthopedic Sports Medicine

Orthopedic Surgery and Sports Medicine
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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!
– Anonymous, Patient

Our Locations

Proliance Surgeons First Hill Orthopedics – 515 Minor Avenue, Seattle (FHO)

Care Center

515 Minor Avenue Suite 200, Seattle, WA 98104

Patient Resources

Preoperative Patient Information

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 Unveils Refreshed Mission, Vision, and Values

Proliance Surgeons, a renowned leader in independent physician-managed healthcare and a highly referred group of specialists in Washington state, proudly announces the launch of its revitalized mission, vision, and values, marking a significant milestone in the evolution of the company.

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Proliance Surgeons Expands Its Footprint in Downtown Seattle with the Launch of Proliance Surgeons First Hill Orthopedics

Proliance Surgeons is pleased to announce the grand opening of its latest Care Center, Proliance Surgeons First Hill Orthopedics, located in the heart of downtown Seattle.

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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.

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