Kim Mastis, MD
Psychiatrist
148 Worcester St.
West Boylston, MA 01583
LOCAL HEALTHCARE PROVIDERS
Tebra only allows patients to write reviews following their scheduled appointment with the provider or practice.
Tebra verifies providers before they can appear in Tebra search. Find a top-rated provider and book an appointment instantly.
98 providers
Availability last updated 11/13/2026
Kim Mastis, MD
Psychiatrist
148 Worcester St.
West Boylston, MA 01583
Bassey Sylvester-Eteng, APRN, MSN, PMHNP-BC, is a board-certified Psychiatric Mental Health Nurse Practitioner dedicated to helping patients achieve better mental health through compassionate, evidence-based care. At Collegial Psychiatry and Behavioral Medicine Inc. in Worcester, Massachusetts, he works closely with adolescents and adults to develop personalized treatment plans that support long-term emotional well-being and improved quality of life.
Mr. Sylvester-Eteng brings extensive psychiatric nursing experience gained through a variety of clinical settings across Massachusetts. His professional background includes providing mental health care through the Massachusetts Department of Mental Health (DMH) and the U.S. Department of Veterans Affairs, where he cared for individuals with diverse backgrounds and complex psychiatric needs. These experiences have given him a deep understanding of the importance of individualized, patient-centered treatment.
Mr. Sylvester-Eteng provides comprehensive psychiatric evaluations, medication management, and ongoing support for a wide range of mental health conditions and other behavioral health concerns. He believes that successful treatment begins with listening carefully, building trust, and working collaboratively with each patient to develop realistic goals and effective treatment strategies.
Call or schedule an appointment with Mr. Sylvester-Eteng today.
Bassey Sylvester-Eteng
Nurse Practitioner
1077 West Boylston Street
Worcester, MA 01606
Bernard Waigi
Psychiatrist
90 Madison St.
Suite 302
Worcester, MA 01608
Rosevelt Nwokeji PMHNP is a board certified Psychiatric Mental Health Nurse Practitioner clinically educated in treating patients with mental health diagnoses across the lifespan. Rosevelt earned his Bachelor of science and Master of science degrees in nursing from the MGH Institute of Health Professions, the only degree granting affiliate in the Mass General Brigham system, founded by Massachusetts General Hospital. While completing his program, he was inducted into the Sigma Theta Tau International Honor Society of Nursing and worked as a teaching assistant at the MGH IHP where he assisted his fellow nursing students in coursework related to pathophysiology.
Prior to the completion of his master’s degree, Rosevelt worked as psychiatric registered nurse in a variety of settings which included working in an adult day program providing healthcare services to adults with developmental disabilities and autism. Rosevelt also spent one year working at McLean Hospital in Belmont, MA; in the hospital’s drug, and alcohol abuse detox unit (Proctor 1) providing care to patients with various substance use disorders and assisting them on their path to recovery.
As a psychiatric nurse practitioner, Rosevelt has been working for the Massachusetts Department of Mental Health in an inpatient psychiatric forensic hospital. In this setting he provides a variety of psychiatric services such as the evaluation, diagnosis, and treatment of the hospital’s patients. He also provides expert testimony for court-authorized guardianship and treatment plans as well as commitment hearings.
Rosevelt’s interest in mental health and healthcare has been shaped by a multitude of experiences and learning opportunities that have taught him the value of compassion, empathy, intellectual curiosity, and fairness. An avid world traveler and reader, Rosevelt grew up on three continents and is multilingual; this multicultural background has helped foster Rosevelt’s dedication to providing culturally competent, holistic, and non-judgmental care to a diverse client population. In his free time Rosevelt enjoys reading, writing, martial arts and spending time with his family and friends.
Rosevelt Nwokeji, PMHNP-BC
Nurse Practitioner
112 Parker Street
Newburyport, MA 01950
Joshua Selly, Pmhnp, NP
Psychiatrist
845 North Main St
Providence, RI 02904
Naika Joseph, Licsw, LICSW
Psychiatrist
845 North Main St
Providence, RI 02904
Amiee Caruso, APRN
Psychiatrist
1037 Main Street
Holden, MA 01520
Gabrielle Pesaturo, APRN, PMHNP-BC
Psychiatrist
47 Danielson Pike
North Scituate, RI 02857
Jessica Ventura
Psychiatrist
323 French Street
Fall River, MA 02720
Zachary Goldpet, MD
Psychiatrist
1170 Pontiac Avenue
Cranston, RI 02920
Sydney Kriegsman, MD
Psychiatrist
1170 Pontiac Ave
Cranston, RI 02920
Erin Gates, MD
Psychiatrist
1643 Warwick Ave
Suite 420
Warwick, RI 02889
Dr. Diane Costa, NP
Psychiatrist
1 Telehealth Only
Bristol, RI 02809
