Home   >   CSPP   >   community-engagement   >   san-francisco-community-services  

Psychological Services Center: Oakland 

The Psychological Services Center (PSC) of Oakland was established in 1983 to serve the mental health needs of the underserved in our community. Currently, the PSC provides mental health services to more than 800 people a year at its clinic, school sites, and Head Starts across the Bay Area.

The PSC of Oakland is a mental health agency operated by Alliant International University.

The PSC runs programs for adults, children and families, with different approaches depending on client needs. Services include individual, couples, family, and group therapy. The PSC also offers a wide range of assessment services and low cost mental health services with a generous sliding fee scale. We are an Alameda Medi-Cal provider. All treatment modalities foster sensitivity to ethnicity, class, race, gender and sexual orientation. The PSC is in the heart of downtown Oakland and is accessible by public transportation. Parking lots are also available nearby.

Hasse Leonard-Pagel, PhD
Executive Director

Evelia Martinez
Office Manager

Nikki Pittman
Administrative Assistant


1440 Broadway, Suite 610
Oakland, CA 94612

Business Hours

By appointment only
Monday-Thursday: 9am-7:30pm
Friday: 9am-5pm

For more information or to schedule an appointment, please contact our Intake Department at 510-628-9065.

Mental Health Services

All therapists are doctoral level & every trainee is supervised by a licensed psychologist.

  • Adult, child and adolescent psychotherapy
  • Family therapy
  • Couples therapy
  • Psychological testing
  • Neuropsychological testing
  • LD testing

Clinical Psychology Training Center

This training program serves both pre-doctoral and post-doctoral level training to clinical psychology students in the Bay Area. Each year practicum, internship and post-doctoral level students provide professional, culturally competent services to our clients. We employ numerous licensed psychologists as supervisors to provide excellent quality supervision and training to our students. All therapists receive between 6 and 10 hours of training and supervision per week.

Learn more about the doctoral internship program.

Learn more about the practicum training program.

Additional Services

  • ERMHS Assessments
  • School Based Mental Health Services
  • Head Start

Administrative Staff:

Hasse Leonard-Pagel, PhD

Dr. Leonard-Pagel received her PhD in Clinical Psychology from California School of Professional Psychology in Alameda. In addition to extensive management experience, Dr. Leonard-Pagel brings a breadth of knowledge to her position as the Executive Director of Alliant International University’s training clinic PSC-Oakland Campus in the areas of supervising, teaching, training, researching, and grant writing. She has considerable experience working in agencies that serve low-income individuals and families and has worked with underserved populations providing direct services and supervision for over 15 years. As the Training Director of a well-known community clinic, A Better Way, she coordinated, developed, and supervised the training of interns and fellows providing services to culturally and economically diverse children and families. At West Coast Children’s Clinic, where she worked for the last 8 years, she was over two programs, the Outpatient Program and the Foster Youth Development Program. In her tenure at West Coast, Dr. Leonard-Pagel worked in the Collaborative Assessment program providing supervision to interns, fellows, and staff and co-chaired a three year research project looking at descriptive data of children who had received assessment services at West Coast over a 4 year period. In her role as an adjunct faculty member with CSPP, Dr. Leonard-Pagel teaches graduate students assessment integrating social justice issues that are relevant to culturally diverse communities.

Evelia Estrada is the Office Manager for Alliant International University’s training clinic, Psychological Services Center-Oakland Campus. She has been in this position since March 2006. Prior to working at the PSC, Evelia worked at La Familia Counseling Service in Hayward for 8 years as the Outpatient Administrator. She is completely fluent in Spanish which has come in handy on many occasions at both clinics. While working at La Familia, she did an extensive amount of translating for the monolingual Spanish speaking clients during their psychiatric appointments and continues to translate once in a while at the PSC.

Nikki Pittman is the Administrative Assistant for the Alliant International University’s training clinic Psychological Services Center-Oakland Campus. She started working for the PSC in August 2013. Nikki handles the billing sent to Alameda County Behavioral Health Care Services, keeps track of in-clinic payments and registers all new patients.

Core Supervisory Staff

Patty Cummings, Psy.D

Dr. Cummings is a graduate of the California School of Professional Psychology at Alliant International University, San Francisco campus. She completed an APA accredited internship at WestCoast Children’s Clinic in Oakland and joined the Psychological Services Center as a post-doctoral fellow in 2011. She is the director of the Child and Family Assessment Project and supervises practicum students both in assessment and therapy. She also provides consultation to the Envision Schools program. Dr. Cummings maintains a small private practice in Richmond, CA, working primarily with adolescents and adults. Additionally, she serves on the Community Advisory Board of Alliance Health Project, a program of the Department of Psychiatry of the University of California, San Francisco. Prior to her graduate training, she spent ten years working with older adults in an assisted living community in the Boston area. Dr. Cummings is an active musician and enjoys spending time with her family.

Rachyll Dempsey, PsyD

Rachyll Dempsey, PsyD, is the Oakland PSC Internship Training Director and Intern Assessment Supervisor. Dr. Dempsey is a forensic neuropsychologist who has a thriving assessment practice; has taught various assessment, interviewing, and other courses for Alliant International University, Argosy University, UCSF, and St. Mary's College; and prior to PSC assisted in creating two other psychology training programs. Dr. Dempsey is certified through CASOMB at the Independent Practitioner level and is also a Qualified Medical Evaluator. Her passion is found in testing and assessment, and supervising new trainees in the arena of assessment.

Dave Hawkey, PsyD

Dave Hawkey, PsyD is a newly licensed member of the PSC training faculty. He completed his pre-doctoral and post-doctoral training at the PSC where he provided mental health services to students at Envision High Schools. He completed his dissertation study on filmmaking as a therapeutic medium of youth in urban communities and graduated from CSPP Alliant International University in 2013. Currently, he supervises trainees who work in the PSC school-based programs and oversees the mental health operations of the PSC-Envision school-based program. In addition, Dr. Hawkey supervises Educationally-Related Mental Health Services (ERMHS) evaluations, which are conducted in partnership with Alameda County Children’s Specialized Services and public schools. He has interests and experience with psychotherapy, psychodiagnostic and neuropsychological assessment, along with working with children, teens and families. Dr. Hawkey also works as a Mental Health Therapist at St. Vincent School for Boys in Marin County and has a private practice in Marin, specializing in psychotherapy and assessment for children and adolescents. Further, Dr. Hawkey enjoys playing and writing music on a regular basis, including voice and guitar.

Terry E. Meyers, PhD

Terry E. Meyers, PhD is a Licensed Psychologist in private practice in the San Francisco East Bay. She is a supervisor at The Psychological Services Center where she is part of the core staff and leads the Adult Training Program and Adult Assessment Group. Dr. Meyers was faculty at Alliant International University/California School of Professional Psychology, teaching psychological assessment for 11 years. She has extensive experience as a supervisor, having been a volunteer supervisor for Crisis Support Services of Alameda County as well as The Wright Institute for many years. A long-time member of The San Francisco Psychotherapy Research Group, she has participated in research, teaching and is a volunteer supervisor for the SFPRG Training Clinic. She has offices in Oakland and Castro Valley where she works with children, adolescents, families and adults, offering psychotherapy, assessment and consultation services. Dr. Meyers also has a background in arts education, the performing arts, and arts administration.

Beth Roosa, PhD

Beth Roosa, PhD is a new member of the core supervisory staff at Alliant International University’s training clinic, Psychological Services Center-Oakland Campus. In addition to providing individual supervision, she leads several group supervisions and is the Program Lead for the Counseling Enriched Special Day Class therapy training program. Dr. Roosa has been involved in teaching, training, and supervision of graduate psychology students for many years in community, medical, and university settings. In her private practice in Oakland she treats adults and adolescents in psychodynamic psychotherapy. Dr. Roosa is also supervisory faculty at Alliant International University/California School of Professional Psychology in the Office of Professional Training. She is a member of the Professional Training Committee and is a liaison to a number of training agencies in the Bay Area. Dr. Roosa received her doctoral degree in Clinical Psychology from the California School of Professional Psychology-Berkeley. She has a master’s degree in Clinical Child Psychology from the Southern Illinois University at Edwardsville and an undergraduate degree in Psychology from Temple University. Before her doctoral studies she completed on year of training in Psychoanalytic Psychotherapy at the St. Louis Psychoanalytic Institute.

Tim Tisdell, PsyD

Dr. Tisdell is a licensed psychologist with over 20 years of experience working with children, adolescents, and adults. He earned his Doctorate degree from the Wright Institute in Berkeley, CA in 2002. He completed an APA pre-doctoral internship at RAMS (Richmond Area Multi-Services) in San Francisco, where he received rigorous training in working with Asian-Americans and other underserved populations. Dr. Tisdell also completed Doctoral training at West Coast Children’s Center, Circle of Care, and the Wright Institute Psychology Clinic. He completed his Post-Doctoral training at the Ann Martin Center, where he stayed on for 7 additional years as a supervising and treating, school-based psychologist. Dr. Tisdell primarily focuses on child and adolescent treatment and parent consultation. He is particularly interested in psychodynamic (primarily Object Relations) theory, but also utilizes cognitive behavioral and family systems theories. His growing area of clinical focus centers around adult work with a particular emphasis in young adulthood and other adult life transitions as well as the unique issues facing LGBTQ youth and adults. In addition to his work at the PSC, Dr. Tisdell has a private practice in Oakland and works as a clinician at the Village Counseling and Assessment Center in Oakland. He has also been an adjunct professor at the Wright Institute in Berkeley, where he provided clinical supervision to Doctoral level students and taught coursework on child psychotherapeutic theory and technique. Most recently, he is a key contributor regarding psychodynamic play therapy for an influential play therapy text (Kottman, T. (2011). Play therapy: Basics and beyond, Second Edition. Alexandria, VA: American Counseling Association).

Sarah Warner, PhD

Sarah Warner, PhD is a licensed clinical psychologist with over 20 years of clinical experience working with children, adolescents and families. Prior to beginning graduate training, she served as director of Phoenix House San Diego, Inc., an adolescent substance abuse treatment program, from 1997 – 2001 where she realized the necessity of engaging families in the treatment of their adolescent. In 2006 she graduated from the California School of Professional Psychology at Alliant International University - San Diego with an emphasis in child and family studies, and earned the F. Joseph McGuigan Student Research Award for her research examining caregiver engagement in family therapy. She completed her post-doctoral training at the PSC and has been a clinical supervisor at the clinic since 2008. Dr. Warner also maintains a private practice specializing in working with children, adolescents and families who are dealing with life cycle transitions, children’s misbehavior, ADHD, family communication, grief and loss, parenting, enuresis/encopresis, anxiety, depression, addiction, self-injurious behaviors, anger, teen pregnancy, abuse, trauma, gender identity, sexuality and coming out.

Adjunct Staff

  • Ahmed Darwish, PsyD
  • Allie Edwards, PhD
  • Anna Franco, PsyD
  • Kira Hoffman, PsyD
  • Mauricio Lask, PsyD
  • Stephanie Lee, PhD
  • Donna Moriguchi, PhD
  • Holly Oswald, PsyD
  • Julia Shaub, PhD
  • Molly Stullman, PhD