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About the Summit Health & Wellness Center

At Summit Health & Wellness Center, our professional staff is committed to looking beyond just a diagnosis. Our goal is to deliver a holistic patient-centered plan of care for children and young adults with autism and related diagnoses in need of mental health and aba services.

People seeking services for individuals with autism spectrum disorder traditionally face barriers to care, a fractured healthcare system, and long wait times. Summit Health & Wellness is founded on the idea that the best care is delivered under one roof in a unified and integrated way.

We primarily serve individuals in the Greater Worcester County

Meet Our Team

Dr. Donald Bigwood

Dr. Donald Bigwood is the Chief Medical Officer and Psychiatrist at Summit Health & Wellness Center.


Dr. Bigwood earned his medical degree from Kansas City University of Medicine and Bioscience College of Osteopathic Medicine. He completed his residency and a fellowship at UMass Medical Center. Dr. Bigwood is excited about joining the team at H&W, and bringing his years of experience working with individuals on the autism spectrum.

Donald shares his love of music as well since he is a member of the Worcester Chorus!

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Eneida Qirko, Clinical Director, LMHC

Eneida is the Clinical Director for the Summit Health and Wellness Center.

Eneida earned a Bachelor of Arts degree in Psychology from Clark University and a Master of Science degree in Clinical Counseling with a concentration in cognitive behavioral therapies from Assumption College.

Prior to joining the Health & Wellness Center, Eneida was the lead crisis clinician at Saint Vincent Hospital for 7 years. Her previous experience has been working in various local
agencies, including Community HealthLink. Eneida is excited to bring all her strengths and leadership to Summit in order to serve children and young adults with autism and other mental health challenges.

In her free time, you will find her spending time with her family. She is an avid reader, who enjoys running, visiting museums, and supporting her favorite the local shelter, Abby’s House.

Sean Daly, Director of ABA Services, BCBA



Sean Daly comes to Summit with a passion for human services that began over 30 years ago. He has impacted a variety of organizations as a program director at adult day program facilities and as a special education advocate. As the father of a daughter with autism, he founded a non-profit, Diamond is the Sky, to provided inclusive community opportunities to individuals with autism as well as their families, educators and the greater community.

Sean holds a master's degree in Applied Behavior Analysis from Bay Path University and is a current part-time faculty member in this master's program. He also serves on the board of directors for MassABA, the state's largest organization for behavior analysts. 

Sean became involved with Summit as a consultant to Summit Academy prior to starting his own autism services company Evolve ABA. He is excited to lead the joining of the Summit and Evolve teams and a dynamic ABA Center with expanded programs and services!

Heidi Whittle, LPN-Practice Manager

Heidi Whittle is a Licensed Practical Nurse and serves as our Practice Manager. She has an extensive background in nursing in a variety of settings including part-time School Nurse at Summit Academy. 


Heidi earned an Associate Degree in Nursing and Business Management at Wachusett Community College.


We love Heidi's hands on approach to her work and her ability to dive in to whatever challenge presents itself!

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Exta Oppong-Tweneboa 

Nurse Practitioner-Psychiatry

We welcome Exta to the team in her first position as a Psychiatric Nurse Practitioner.


Exta has recently earned a Master of Science as a Nurse Practitioner from Walden College. She also holds a Bachelor of Science in Nursing from Fitchburg State University. In addition, she serves as the Clinical Director at Summit Academy.

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