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

Cassandra Lesley Mazyck

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1821400912

Cassandra Lesley Mazyck is an Addiction (Substance Use Disorder) Counselor in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2014

Practice location Address checks out

55 W 125th St 11 Fl
New York, NY 10027-4516
Phone: (212) 864-4128
Fax: (212) 663-9193
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 12398 (NY)

Record details

NPI number1821400912
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedMay 23, 2014
Last updated in NPPESMay 23, 2014

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