Behavioral Health Hospital of Union County
State of the Art Adult Psychiatric Unit
Cornerstone Behavioral Health Hospital is an adult psychiatric hospital offering an in-patient rehabilitative environment, this acute-level service is guided by psychiatrists and provides an exceptional level of care. These 44 beds are staffed by a full complement of Masters-prepared psychiatric social workers, psychologists, and clinical nurse practitioners, as well as physical, occupational, activities therapists.

Treatment programs utilize individual, group, and family therapies. Great emphasis is placed on preparing the patient for re-entry into the community, which is coordinated with family and community resources far in advance of discharge.

40 Watchung Way
Berkeley Heights
New Jersey 07922
Michael J. Flemming, RNC, LRC, LNHA, Division Director
Elizabeth Thornton, Assistant Administrator

R. Allen Smiley, MPAP, Director

Elizabeth Thornton, RN, Assistant Administrator

Farhan Siddiqui,, MD,  Chief Psychiatrist and Medical Director
John S. Peng, DO, Psychiatrist
908-771-5315 | 908-771-5877
Eshban Muthuka, DNP
908-771-5315 | 908-771-5877
Bharat Nandu, MD, Psychiatrist
908-771-5741 | 908-771-5877
Eloisa Daitol, RN, Head Nurse/Chief Nursing Executive
Social Work
Tish Isack, LSW, Director of Social Work & Professional Support Services
Medical Records
Marie Rommel, RHIA, Director. of Medical Records
908-771-5709 | Fax:  908-771-5893

To release any medical records a Release Form must be completed and faxed or sent to the Medical Records Department. Click here to download the form.

Driving Directions
From Route 22 – Westbound
Take exit for Berkeley Heights and *follow Bonnie Burn Rd. north which becomes Plainfield Ave. at the second traffic light.
After going under three Rt. 78 overpasses, take the next right turn onto Horseshoe Rd.
Take the second right onto Watchung Way.
From Route 22 – Eastbound
Take exit for for Berkeley Heights, bear right onto overpass over Rt. 22 to first light.
Turn left onto Bonnie Burn Rd. and continue as above at *.
Westbound on Route 78
Take exit 41 and turn right at the stop sign at the end of the exit onto Drift Rd.
At the end of Drift Rd. (one block), turn right at traffic light onto Plainfield Ave.
Make the first left onto Horseshoe Rd., then second right onto Watchung Way.
Eastbound on Route 78
Take exit 41 and turn left onto Drift Rd.
At the end of Drift Rd. (one block), turn right at traffic light onto Plainfield Ave.
Make the first left turn onto Horseshoe Rd., then the second right onto Watchung Way.