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Who We Are

The Pacific Coast Society of Orthodontists was founded in 1912 and has grown to nearly 3,000 members. PCSO is comprised of component organizations and is the largest constituent organization of the American Association of Orthodontists.

Our Mission

The Pacific Coast Society of Orthodontists is a professional organization of orthodontic specialists whose mission is to help its members provide the highest level of care to the public by providing quality continuing education, providing a framework for a strong political voice, facilitating two-way communications between the organization and its members, and supporting the successful practice of orthodontics.

Who We Are

The Pacific Coast Society of Orthodontists was founded in 1912 and has grown to nearly 3,000 members. PCSO is comprised of component organizations and is the largest constituent organization of the American Association of Orthodontists.

Our Mission

The Pacific Coast Society of Orthodontists is a professional organization of orthodontic specialists whose mission is to help its members provide the highest level of care to the public by providing quality continuing education, providing a framework for a strong political voice, facilitating two-way communications between the organization and its members, and supporting the successful practice of orthodontics.

Our Leadership

Dr. Tom Merrill
Dr. Tom MerrillPresident
John Wachtel
John WachtelPresident-Elect
Mary Cooke
Mary CookeSecretary-Treasurer
Dr. Trista Felty
Dr. Trista Felty PCSO Trustee to the AAO
Dr. Marie Lathrop
Dr. Marie LathropImmediate Past President
Dr. Paul Kasrovi
Dr. Paul Kasrovi Delegation Chair
Ms. Callie Castro
Ms. Callie CastroExecutive Director

CE Passport

CE Passport

Events Calendar

Upcoming Events

Proposed Bylaws Update

Proposed Bylaws Update

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Become a Member

The PCSO website is your gateway to information and benefits. PCSO members can log in to participate in forums and blogs.

Latest News

ADA seeks input on proposed CMS rule on interoperability, prior authorization

On May 7, 2026

The ADA will host a call May 21 to collect feedback from dental stakeholders to help inform its response to CMS about the rule.Read more

Comply by May 11 with final rule on digital accessibility

On May 6, 2026

The regulation applies to dental practices that receive federal financial assistance.Read more

ADA Member Advantage endorses HP for technology solutions

On May 5, 2026

The endorsement provides ADA members with exclusive access to advanced technology solutions and significant cost savings.Read more

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