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

Marcelina Migdalia Stewart, RN

Individual provider Registered Nurse · NPI 1386968550

Marcelina Migdalia Stewart, RN is a Nurse Practitioner in Islip, New York. Qualified in 2020, 6 years ago. Practices with New York University, a 5,884-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
6
Licensed in
NY
In the registry since
2010
Specialties on file
3
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

61 Tamarack St
Islip, NY 11751-1909
Phone: (917) 515-6271
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 F310272-01 (NY)
Registered Nurse Taxonomy 163W00000X · Licence 585456-1 (NY)
Licensed Practical Nurse Taxonomy 164W00000X · Licence 284237-1 (NY)

Record details

NPI number1386968550
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorYes
NPI enumeratedMarch 17, 2010
Last updated in NPPESAugust 19, 2021
Certification dateAugust 19, 2021

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice New York University — 5884 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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