About Us

Our mission is to help every client live a happy and fulfilling life, full of meaning and purpose, by partnering with health facilities to provide mental health care for residents.

Pacific Coast Psychology Group, Inc. was founded in California by a group of clinical psychologists who specialize in geriatric mental health and are licensed to practice in California. We partner with dozens of facilities and have treated thousands of patients

Pacific Coast Psychology Group, Inc. was founded in California by a group of clinical psychologists who specialize in geriatric mental health and are licensed to practice in California. We partner with dozens of facilities and have treated thousands of patients

Executive Leadership

Dr. Joshua Williams
Founder/President

He earned a Psy.D. at Azusa Pacific University with an emphasis in Family Psychology. He became a psychologist because he wanted to help people, particularly those who have mental health needs in underserved populations. Josh has provided services to several of the company’s partner facilities. He also enjoys teaching and has served as an adjunct professor at California Lutheran University.

Dr. Shauna Papenbrook
Vice President of Clinical Operations

Shauna has a strong fascination with the human experience and her desire to create a more positive impact in the lives of others led her into the psychology field. She has specialized in forensics, SPMI, geriatrics, complicated medical-psychiatric issues as well as the interaction between individuals and the law. When not practicing, Shauna enjoys karaoke, spending time with family, and stand-up comedy.

Megan Leong
Executive Clinical Services Manager

Prior to this, Megan was the first intern at PCP back in 2018. Afterwards, she received an MSW graduate degree from George Fox University in Oregon, and began working with the geriatric population, particularly clients experiencing Severe Persistent Mental Illness (SPMI) providing therapy, emotional support, advocacy, and self-empowerment. Megan supports Pacific Coast Psychology by advocating for clinicians, overseeing medical device technicians, updating system procedures, and bringing on new team members.

Elyse Mostero
Business Development Manager

She received her Bachelors in Psychology at Marymount California University. Previously, she worked as a Social Services Director at skilled nursing facilities, where PCPG provided services. This experience led her to understand and truly believe how important mental health support is for residents and the power it holds. Elyse is passionate about connecting our psychologists with new and current facilities!

Kim Do
Billing Manager

Kim oversees the business’s day-to-day insurance credentialing, contracting, billing, collections functions, supports various PCPG teams to ensure patient quality and continuity of care, offers dependable support for SNF management, and promotes a thriving and engaging workplace for PCPG staff. Moreover, Kim participates in projects to facilitate company growth and efficiency, as well as guidelines related to billing and revenue collection processes.

Kat Fanguyen
Billing Department

She supports PCP with insurance verifications, private pay, collections, billing, report analytics, medical records, various projects, and other support tasks. Before joining PCP, Katherine worked as a Collections Analyst for a global corporate litigation and arbitration law firm, working with attorneys and high-profile clients in diverse industries and specialties across the United States, Europe, Asia, and Australia.

Dr. Jose-Antonio Aguilar
Clinical Services Manager

Dr. Rhiannon Rabine
Clinical Services Manager

Dr. Andrea Clark
Director of Clinical Operations

Dr. Tricia Sikkeland
Clinical Services Manager

We're Hiring

We recognize the vital role that mental health plays in the well-being of Skilled Nursing Facilities residents. That's why we're dedicated to creating a supportive and enriching environment for our psychologists to thrive in their profession.

Open positions

What sets us apart

We emphasize quality of care over clinician quotas

Reports in the charts within 24 hours of the visit

Specific, measurable and attainable treatment goals

Winner of the 2021 BizX Best Service Based Company Under 10 Employees
Nominee for the 2022 BizX Best Service Based Company Under 10 Employees