Meet the Faculty

Vincent McClain, MD

ACGME Fellowship Program Director

Dr. Vincent McClain is Rushford’s Associate Medical Director for Residential Addiction Services and Program Director for Rushford’s Addiction Medicine Fellowship. He is certified by the American Board of Addiction Medicine and also maintains American Board of Obstetrics and Gynecology certification. He graduated from St. George’s University School of Medicine and completed his residency in Obstetrics and Gynecology at Mount Sinai Hospital in Hartford, CT and his Addiction Medicine Fellowship at Rushford in Middletown, CT.

In addition, he serves as Medical Review Officer and Associate Program Director for HAVEN, a confidential assistance and monitoring program for Connecticut’s healthcare professionals facing the challenges of chemical dependency, mental illness, physical illness or emotional issues.


J. Craig Allen, MD

Chief Medical Officer, Rushford

Jonathan Craig Allen, MD, is the medical director at Rushford, chief for the department of psychiatry at MidState Medical Center, and chair of HHC’s opioid management committee and addictions clinical council.

Dr. Allen is also a member of the state advisory board for the Department of Mental Health and Addiction Services, chair of the treatment committee for the alcohol and drug policy council, is on the state medical society’s addiction medicine committee and opioid task force, and is the current president of the Connecticut chapter of the American Society of Addiction Medicine.

Dr. Allen is currently an associate professor of psychiatry at the Frank Netter School of Medicine at Quinnipiac University and has held faculty appointments at Harvard and Yale medical schools. Currently he trains addiction medicine fellows in Rushford’s ACGME-accredited ADM program, and child and adolescent psychiatry fellows and residents from the Institute of Living.

Dr. Allen lectures and advocates locally and nationally for prevention, screening, early intervention and treatment access for substance use and other psychiatric disorders throughout the lifespan.


Katherine Grieco, DO

Addiction Medicine Physician

Dr. Grieco currently treats patients with substance use disorders at an intensive outpatient program at The Institute of Living, and provides addiction medicine consultations to HIV patients in an outpatient Infectious Disease Clinic. She is dually board-certified in family medicine from the American Osteopathic Board of Family Physicians, and in addiction medicine from the American Board of Preventive Medicine. She is also a fellow of the American Society of Addiction Medicine.

Dr Katherine Grieco completed her residency in family medicine at St. Joseph Medical Center (now part of Penn State Health) in Reading, PA. After residency she completed an HIV primary care fellowship at The University of California, San Francisco, followed by an addiction medicine fellowship at Yale School of Medicine. She is the former medical director of a methadone maintenance treatment in New Haven.