Erik Nelson, PsyD                                     Stacey Rutherford, LICSW
Gwen Carelli, LICSW
Brenda McCarthy-Trayah, LMHC
Beth Irving, LICSW
Fritz Samson, LMHC
Sherrie Urena, LMHC​
​Mark Paharik, LMHC
Diane Fougere, LICSW
​Barbara Bready, LICSW
​Karen Clark-Hoey, LMHC


Dr. Amjad Bahnassi, Founder & Owner


Since 1991, our practice has been devoted to serving the population for mental health needs. We offer services including medication management, counseling, TMS treatment, and other outpatient behavioral health needs. We strive to enhance the lives of our patients by providing high quality care using evidence-based practices.

Our health professionals here at BHS come from an impressive range of backgrounds and education. Our staff’s diversity allows us to offer a wide variety of treatments.  Our focus is on your mental health and wellness. 

Medication Management

​Amjad Bahnassi, MD                          Karin Raaberg, NP

​Syeda Nuzhat, MD                             Orobosa Osawonuyi, NP

Kimberly Abdow, MS, NP-C                Hadiza Abubakar, PMHNP

Kevin Nardone, PMHNP

Stella Adu-Gyamfi, PMHNP-BC

Yonide Lareche, NP

Yveda Brutus, NP

Grace Ngumi, NP


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Our Background

Small Business Leader of the Year 2018: Amjad Bahnassi


Business Leaders: Despite company's growth, Bahnassi remains patient-focused
By Grant Welker


Amjad Bahnassi quite literally could not have gotten out of Syria any sooner.
Born and raised in the capital of Damascus, Bahnassi graduated high school at 16

and finished medical school at 22. The day after graduation, he left.


"I was ready," he said.


Bahnassi came to Worcester in the early 1980s for a residency program at

UMass Medical Center as a psychiatrist and never left. After completing his

residency, he started Behavioral Healthcare Services, a practice he still leads

after more than 25 years.​




Top Psychiatrist in Worcester

Dr. Bahnassi is ranked as one the top three psychiatrists in Worcester, MA by ThreeBestRated.com, evaluated by experts in the field using a rigorous 50-point inspection.













​Worcester Regional Chamber of Commerce Breakfast Club Award 2018

​The Breakfast Club is a quarterly event held by the Chamber to honor individuals, civic entities,

businesses, and other organizations for major contributions to economic growth, improving the

quality of life in the region, major milestones, and other activities which enhance the Worcester

region. In addition, a keynote speaker delivers an address of interest to the business audience.

​Behavioral Healthcare Services received this award on December 13th, 2018.

Awards & Achievements

Our Team

Therapy & Counseling