Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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MS. Margaret Barry Aguilar, RN, FNP

Individual provider Family Nurse Practitioner · NPI 1871563379

MS. Margaret Barry Aguilar, RN, FNP is a Family Nurse Practitioner in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

5140 N California Ave Pre-Surgical Testing
Chicago, IL 60625-3645
Phone: (773) 989-3822
Fax: (773) 506-0189
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X (IL)

Record details

NPI number1871563379
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , FNP
Sole proprietorNo
NPI enumeratedJanuary 25, 2006
Last updated in NPPESJuly 13, 2026

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