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

Catherine Zillmann, NPP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1326052333

Catherine Zillmann, NPP is a Psychiatric/Mental Health Nurse Practitioner in Smithtown, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006

Practice location Address checks out

363 Route 111 Ste 103
Smithtown, NY 11787-4750
Phone: (631) 864-9202
Fax: (631) 265-3205
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence F400964-1 (NY)

Record details

NPI number1326052333
Entity typeIndividual (Type 1)
GenderFemale
Credentials NPP
Sole proprietorYes
NPI enumeratedJuly 27, 2006
Last updated in NPPESFebruary 14, 2018
Mailing address363 Route 111 Ste 103, Smithtown, NY 11787-4750

Other providers in Smithtown