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

MS. Marisa Ann Armstrong, NP

Individual provider Pediatric Nurse Practitioner · NPI 1013809664

MS. Marisa Ann Armstrong, NP is a Nurse Practitioner in Stony Brook, New York. Qualified in 2024, 2 years ago. Licensed in New York.

Years since qualifying
2
Licensed in
NY
In the registry since
2025
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

101 Nicolls Rd
Stony Brook, NY 11794-0001
Phone: (631) 689-8333
Show map & directions

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

Specialties & licences

Pediatric Nurse Practitioner (primary) Taxonomy 363LP0200X · Licence 383705 (NY)

Record details

NPI number1013809664
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedJuly 17, 2025
Last updated in NPPESOctober 9, 2025
Certification dateOctober 9, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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