Our Psychiatric Practice
The word “Jamii" connotes the idea of the community as family, and our practice is focused on the collaboration of care and communication with all the care providers working with our patients. Jamii’s mission and practice policy reflect current evidence-based standards that clearly indicate holistic, inclusive care as being the most beneficial and effective.
Our Treatment Focus
We cover psychiatric conditions including but not limited to:
Depression, anxiety, obsessive-compulsive disorder, post-traumatic stress disorders, attention deficit disorders, and psychotic disorders. We also provide Portuguese and Spanish interpretation upon request.
Our Providers offer:
1. Comprehensive Psychiatric Evaluations
2. Ongoing Medication Management
3. Efficient electronic prescribing to the pharmacies of choice
4. Telehealth or in-person appointments
5. Child and Adolescent openings currently available
About Us
Daron Massey, MD
Mary Beth Yentz, DNP, PMHNP
Mary Beth Yentz, DNP, PMHNP
Dr. Daron Massey, MD is a child, adolescent, and adult psychiatrist trained at the University of Witwatersrand, South Africa. He has over twenty years of management, clinical, and research experience in the fields of individual and public health psychiatry throughout the United States.
Mary Beth Yentz, DNP, PMHNP
Mary Beth Yentz, DNP, PMHNP
Mary Beth Yentz, DNP, PMHNP
"Being human, nothing human is foreign to me." -- Terence, Heauton Timorumenos
Mary Beth Yentz is a Psychiatric Nurse Practitioner with a Doctor of Nursing Practice degree from Massachusetts General Hospital Institute of Health Professions. She has over 15 years of nursing experience managing patients with acute psychiatric conditions
"Being human, nothing human is foreign to me." -- Terence, Heauton Timorumenos
Mary Beth Yentz is a Psychiatric Nurse Practitioner with a Doctor of Nursing Practice degree from Massachusetts General Hospital Institute of Health Professions. She has over 15 years of nursing experience managing patients with acute psychiatric conditions having worked at the State hospital as well as several private inpatient hospitals.
Stella Adu-Gyamfi, PMHNP
Mary Beth Yentz, DNP, PMHNP
Stella Adu-Gyamfi, PMHNP
"Don't let your struggle become your identity." -- Unknown
Stella Adu-Gyamfi RN, NP, is a Psychiatric Nurse Practitioner and Adult/Geriatric Nurse Practitioner, trained at University of Massachusetts Medical School, respectively and Regis College. She has twenty years of nursing experience working in long- term care, education, as well as in hospital and private practice.