Hillside Associates

Mental Health Professionals in the
Waltham & Brookline MA area


Welcome to Hillside Associates. We are a group of independent licensed mental health professionals, now in separate locations. See the "Associates" tab.

You may be seen by a psychiatrist, a psychologist, or a social worker, as appropriate. Each clinician has general skills, as well as certain areas of clinical specialty.

In July 2017, our offices moved. New addresses:

  • Betty Herr, M.D., 318 Bear Hill Road, Suite 7B, Waltham, MA 02451
  • Anton Pesok, M.D., 1101 Beacon St., Fifth Floor West, Brookline, MA 02446
  • Fred Gates, Ph.D., 363 Massachusetts Ave, Suite 206, Lexington, MA 02420
  • Nancy Nagel, LICSW, 344 Harvard St., Brookline, MA 02446

All associates may be reached at 617.787.4662. Follow the voice mail instructions.

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