Our Team

Lindsey Akers

Behavioral Health Therapist

Stephanie Blannett, MSW, LMSW

Behavioral Health Therapist

Katie Camilleri, MA, MT-BC

Behavioral Health Therapist

Caroline Cheek

Behavioral Health Therapist

Michelle Collazo

Billing Specialist

Gerardo Diaz

Facilities Manager

Gerardo started with CHI St. Joseph Children’s Health as a dental program manager and now serves as the organization’s Facility Manager.

Gerardo received his Bachelor of Arts in Anthropology from Millersville University where he also studied Political Science and minored in International Studies. He has future plans for pursuing a second Bachelor’s degree in Computer Science.

Gerardo is a Lancaster native graduating from JP McCaskey High School. He enjoys spending time with family and friends.

Kristina Estrada

Vice President - Behavioral Health

Diana Fair

Patient Support Associate

Thomas Foley, MD

Psychiatrist

Dr. Thomas Foley joined CHI St. Joseph Children’s Health in August 2017 as the Psychiatrist for our new Behavioral Health Program.  He obtained his Bachelor’s degree at the University of Colorado.  From there he went on to attend medical school at St. George’s University.  He completed his adult psychiatry residency at Temple University Hospital and fellowship in child and adolescent psychiatry at the Children’s Hospital of Philadelphia.  He is board-certified in both General Psychiatry and Child/Adolescent Psychiatry.

Dr. Foley has been providing psychiatric care for families in Central Pennsylvania for the past 7 years.  He currently lives in the Lancaster area with his wife and 3 young children.  During his free time he enjoys spending time with family, hiking, running, reading, and swimming.

Anthony Greggs-Anderson

Patient Support Associate

Mary Jo Hanley, CRNP

Psychiatric Nurse Practitioner

Mary Jo joined CHI St. Joseph Children’s Health in August 2017 as the Certified Registered Nurse Practitioner for our Behavioral Health program.  Mary Jo graduated from the University of Pennsylvania in 2011 with her MSN.  She obtained her BSN from Minnesota State University-Moorehead and her RN Diploma from St. Vincent’s Hospital School of Nursing.  Mary Jo is Board Certified as a Family Psychiatric Mental Health CRNP.  She has experience in treating children and adolescents, alongside their families, in an outpatient setting.  She has experience in day hospital settings and school-based psychiatric services.  When she has time to spare, she enjoys boating and reading.

Stephen Heffner, DNP, CRNP

Psychiatric Nurse Practitioner

Patience Mpumwire

Patient Support Associate

Terry Scovill

Behavioral Health Therapist

Bailey Shirk

Behavioral Health Therapist

Sandy Snyder, LPC

Behavioral Health Therapist

Jaisha Toro-Soto

Family Formation Specialist

Jeffery Wickard

Behavioral Health Therapist