Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. Guillermo W Perez

Individual provider Mental Health Counselor · NPI 1023462298

Mr. Guillermo W Perez is a Mental Health Counselor in Mastic Beach, New York. Practices as a sole proprietor. Registered with an NPI since 2016.

In the registry since
2016

Practice location Address checks out

29 Vista Pl
Mastic Beach, NY 11951-1509
Phone: (631) 295-7539
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1023462298
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedApril 14, 2016
Last updated in NPPESApril 14, 2016
Mailing address29 Vista Place, Mastic Beach, NY 11951-1509

Other providers in Mastic Beach