Photo of Gregory A Miller, M.D., M.B.A.

Gregory A Miller M.D., M.B.A.

  • (413) 320-8630
    • Associate Professor of Psychiatry School of Medicine
    • Unity Center, Chief Medical Officer

Dr. Miller comes to Unity Center from the State of New York Office of Mental Health where he serves as medical director for adult services. He is also clinical associate professor at the University of Vermont School of Medicine.

His previous roles include vice president of medical affairs at The Brattleboro Retreat in Vermont; chief medical officer for Providence Behavioral Health Hospital in Holyoke, Massachusetts; and chair of the Department of Psychiatry and chief medical officer of North General Hospital, a Mt. Sinai Medical School Academic affiliate in Harlem.

Dr. Miller practiced psychiatry in the New York metropolitan area for 15 years before moving to New England. He has held faculty appointments at The Mt. Sinai Medical School in New York, The New York University Medical School, Cornell Medical School and Columbia College of Physicians and Surgeons.

After practicing as a psychiatric nurse for four years, Dr. Miller received his medical degree from George Washington University School of Medicine and Health Sciences in 1986. After an internship at Vanderbilt University Medical Center, he completed his residency in psychiatry at New York Hospital/Cornell Medical School. Dr. Miller holds a bachelor of science degree in nursing from the University of Tennessee and a master’s in business administration from The City University of New York, Baruch College.


  • B.S.N., University of Tennessee, Knoxville Tennessee 1978
  • M.D., The George Washington University School of Medicine, Washington District of Columbia 1986
  • M.B.A., Baruch College, Zicklin School of Business, CUNY, New York New York 2003
  • Residency:

    • 1986-87: Vanderbilt University Medical Center, Nashville, TN
  • Certifications:

    • November 1992: General Psychiatry, ABPN

Memberships and associations

  • American Psychiatric Association: Distinguished Fellow, December 2013

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