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

MS. Florence Mary Wissert, NPP, FNP, CARN, CS

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1538379201

MS. Florence Mary Wissert, NPP, FNP, CARN, CS is a Psychiatric/Mental Health Nurse Practitioner in Port Jefferson, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

I High St
Port Jefferson, NY 11777
Phone: (631) 928-2377
Fax: (631) 473-5210
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 F400006 (NY)

Record details

NPI number1538379201
Entity typeIndividual (Type 1)
GenderFemale
Credentials NPP , FNP , CARN , CS
Sole proprietorNo
NPI enumeratedMay 23, 2007
Last updated in NPPESJuly 8, 2007

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