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

Andrea Leigh Warren, APRN, FNP

Individual provider Family Nurse Practitioner · NPI 1427423367

Andrea Leigh Warren, APRN, FNP is a Nurse Practitioner in Oak Lawn, Illinois. Qualified in 2014, 12 years ago. Licensed in Illinois.

Years since qualifying
12
Licensed in
IL
In the registry since
2015
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
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 →

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Practice location Address checks out

9555 S 52nd Ave
Oak Lawn, IL 60453-3054
Phone: (708) 634-0950
Fax: (708) 634-0942
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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 · Licence 277003944 (IL)

Record details

NPI number1427423367
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN , FNP
Sole proprietorNo
NPI enumeratedDecember 3, 2015
Last updated in NPPESFebruary 27, 2025
Certification dateFebruary 27, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Accepts Medicare assignment Not indicated
Practice locations4 on file with Medicare

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