About Mark J. Barber
Mark John Barber is a peer specialist. Mr. Mark J. Barber has 8 years of experience in peer support.
Licenses
Mark J. Barber has been registered with the National Provider Identifier database since August 02, 2017, and his NPI number is 1558885319.
Book an Appointment
To schedule an appointment with Mr. Mark J. Barber, please call (631) 920-8306.