American Board of Psychiatry and Neurology (N).
Board Certified Diplomate #44166, 1997.
American Board of Preventive Medicine.
Board Certified Diplomate 2001
California Medical License: #G85804
New York Medical License: #186145
Massachusetts Medical License: #81427
New Jersey Medical License: MA 71634

The American Academy of Neurology,
1992 to present.

The American College of Occupational and Environmental Medicine.
1995 to present.

The American Medical Association,
1986 to present.

Massachusetts Medical Society: License # 81427. 

New York State Medical Society: License # 186145.

Western Section of College of OEM,
July 1995 to present.