Clinical Staff

Walden's integrated, multi-disciplinary team of clinicians includes psychiatrists, family physicians, psychologists, social workers, nutritionists, nurse practitioners, occupational therapists, expressive-arts therapists, educators, mental-health workers, and mind-body practitioners.

Clinical Leadership

James M. Greenblatt, M.D., Chief Medical Officer

Irina Guryanova, MD

Jane Sullivan, APRN, BC, Nurse Practitioner

Craig Sussman, MSN, FNP, RN, Nurse Practitioner

Debra Foti-Flynn, MS, RN, CPNP, Nurse Practitioner

Paula Vass, MSW, LICSW, Assistant Vice President, Clinical Operations

Amy Mueller, LICSW, Director Residential Program

Roberta Pearle Lamb, MPH, RD, LDN, Director Nutritional Services, Director Mastering Balance

Jennifer Smith, LICSW, Director Outpatient Continuum, Northampton

Terri Halperin-Eaton, MEd, LMHC, Director Expressive Therapies

Mercy Enemchuku, RN Clinical Leader

Joan Libman, RN, Nurse Manager, Alcott Center

Tracy Mullare, MD, Associate Medical Director, Alcott Center

Irina Guryanova, MD, Medical Director, Thoreau Center

Wendy Anderson, Assistant Director, Social Work

Jesine Xavier, Psy. D, Director Adolescent EDS IOP

Janelle Miller, LICSW, Director, Adult EDS PHP & IOP