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

Mary A Merlo, APRN, CNP

Individual provider Family Nurse Practitioner · NPI 1962892232

Mary A Merlo, APRN, CNP is a Nurse Practitioner in Orland Park, Illinois. Qualified in 2013, 13 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
13
Licensed in
IL
In the registry since
2015
Specialties on file
2
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

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Practice location Address checks out

15300 W Ave Ste 223
Orland Park, IL 60462-4509
Phone: (708) 923-7874
Fax: (708) 923-7876
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 277000500 (IL)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 277000500 (IL)

Record details

NPI number1962892232
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN , CNP
Sole proprietorNo
NPI enumeratedJanuary 26, 2015
Last updated in NPPESDecember 1, 2021
Certification dateDecember 1, 2021

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Orland Park