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

Marilyn Alter

Individual provider Adult Health Nurse Practitioner · NPI 1316039530

Marilyn Alter is an Adult Health Nurse Practitioner in Smithtown, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006

Practice location Address checks out

50 Route 25A
Smithtown, NY 11787-1348
Phone: (631) 862-3222
Show map & directions

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

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 302377 (NY)

Record details

NPI number1316039530
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedSeptember 28, 2006
Last updated in NPPESAugust 29, 2007
Mailing addressPo Box 6010, Hauppauge, NY 11788-9010

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