Since graduating from Boston University, Oxana always supported her late husband Dr. Yanants Antonevich’s values, beliefs, dreams and ambitions. She is dedicated to upholding his legacy to deliver the highest quality care, respect and dignity to the patients.
Vahan Meliksetyan ensures the company has effective operational and financial procedures in place while ensuring the clinic is delivering efficient services that satisfy patient needs.
Eni Zheku is accountable for supporting organizational operations and infrastructure and has worked towards the mission of NHM since 2016.
Tatiana Tinsley oversees the administrative team in the Quincy office and supports general office operations.
Olga Belyakova is the Billing Manager for New Horizons Medical and also serves as an Office Manager for our Framingham Location.
Nurse Practition
Stella Uchendu has been practicing medicine for 4 years and Addiction Medicine for 3 years. She holds a baccalaureate degree in Nursing Science from Salem State University and a Master of Science in Nursing Practice from Regis College.
Medical Director
Dr. Melvin Nemkov graduated from the University of Illinois College of Medicine in Chicago and has been practicing medicine and addiction medicine for 45 years and counting.
Executive Director of Mental Health, LICSW
Andrew Linberg is a Licensed Independent Clinical Social Worker and the Executive Director of Mental Health Services with over 26 years of experience in mental health, addiction, and program development.
PNMHNP-BC, CNP, DNP
Annette Okereke obtained a baccalaureate degree in Nursing from Simmons College, a Master in Nursing from Regis College, Doctorate in Nursing Practice from UMASS Lowell, and later Post-Graduate Master in Nursing, PMHNP from Regis College.
NP
Monica Andrade is a licensed nurse practitioner, practicing medicine for over 6 years. She has obtained a degree in nursing from the Graduate School of Nursing at UMASS Medical School in 2014.
Medical Doctor
Dr. Laurie Botie, a board-certified physician, graduated from Mt. Sinai School of Medicine in New York, and has been practicing family medicine for 34 years before shifting her focus to addiction medicine.
Nurse Practitioner
Jean Thomas is a licensed nurse practitioner who graduated with a baccalaureate degree in Nursing Science from UMASS Boston and later a FNP degree from Chamberlain University. Jean has been practicing medicine since 2018, providing adult, urgent care addiction while managing acute and chronic diseas
Medical Doctor
Dr. Johnelle Smith has graduated from Wayne State University School of Medicine and has been working with New Horizons Medical since 2016.
DNP, AGPCNP-BC
Xuan Nguyen is a Licensed Adult Medicine Nurse Practitioner, practicing medicine for over 9 years. Xuan holds her baccalaureate degree in Nursing Science from Laboure College and Doctoral degree in Nursing from UMASS Dartmouth.
Medical Doctor
Dr. Daria Karos is a board certified physician with specialty training in addiction medicine, adolescence, and pediatrics. She has been practicing medicine for over 25 years and has been with New Horizons Medical since 2015.
MD, MPH, FCAP
Dr. Manlio Loconte is a board-certified physician and has been practicing medicine for over 48 years and describes addiction medicine as fulfilling.
LICSW
William Simmons is a Licensed Independent Clinical Social Worker who graduated with a Master of Social Work from Boston College. William has over 10 years of experience in providing psycho-therapeutic support for both MAT patients and stand-alone therapy patients.
MSW
Linda Ploude is a Licensed Independent Clinical Social Worker with over 15 years of experience in the field of mental health.
LMHC
Michael Bronner is a Licensed Mental Health Clinician who graduated from Cambridge College with a MEd in Counseling Psychology ah has experience as a substance abuse clinician.
Medical Doctor
Dr. Neeraj Rastogi graduated from King George’s Medical College at Lucknow University and later attained ECFMG Certification in 2003.
