Our Care Team

Tandy Aye

Tandy Aye, MD, is board certified in Pediatrics and Pediatric Endocrinology. Dr. Aye oversees the use of various hormone therapies for gender transitions.

Areas of Expertise: Transgender Health

Jonathan Avila, MD

Jonathan Avila, MD, is a dual fellow in Adolescent Medicine and Pediatric Endocrinology. Dr. Avila evaluates the overall health needs of the adolescent and he can serve as the primary care provider.

Areas of Expertise: Adolescent Medicine and Endocrinology

 Cathy Costaglio

Cathy Costaglio, NP, assesses the safety and urinary health care needs of transgendered youth.

Areas of Expertise: Pediatric Urology

Kimberly Clash, NP

Areas of Expertise: Pediatric Endocrinology

 Amy Valentine

Amy Valentine, LCSW, initially meets with each child/adolescent and family. She guides each family with their next steps.

Areas of Expertise: Social Work

 Paula Hillard

Paula Hillard, MD, is board certified in Obstetrics and Gynecology and she is the Director of the Pediatric and Adolescent Gynecology program.

Areas of Expertise: Pediatric and Adolescent Gynecology

Andrea Tabuenca, PhD, is a child psychologist.

Areas of Expertise: Psychology

 Lynn Westphal

Lynn Westphal, MD, is board certified in Obstetrics & Gynecology and Reproductive, Endocrinology & Infertility.

Areas of Expertise: Female Fertility Preservation

 Gary Hartman

Gary Hartman, MD, MBA, is board certified in Pediatric Surgery and Surgical Critical Care. He provides placement of long term pubertal blockers.

Areas of Expertise: Surgery

 Gisella Sandoval

Gisela Sandoval, MD, PhD, is board certified in Child & Adolescent Psychiatry. She is available to work along with local psychologists in the community in providing medical therapy.

Areas of Expertise: Psychiatry

Michael Eisenberg

Michael Eisenberg, MD, is board certified in Urology.

Areas of Expertise: Male Fertility Preservation

Catherine Sonquist Forest

Catherine Sonquist Forest, MD, MPH, is board certified in Family Medicine.

 Benjamin Laniakea

Benjamin (Huang) Laniakea, MD, is board certified in Family Medicine.

Areas of Expertise: Full spectrum GSM (Gender and Sexual Minority)

 Tobias Hayes

Tobias Hayes, MD, is board certified in Pediatrics.

Areas of Expertise: Pediatrics

Support Staff

Doris Buvelot, RN

Lauren Davis, RN

Christina Luna, Medical Assistant

Jeannine De Aguinaga, Office Assistant