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

Mr. Marcus Larrieu, APN

Individual provider Nurse Practitioner · NPI 1497314397

Mr. Marcus Larrieu, APN is a Nurse Practitioner in Oak Lawn, Illinois. Qualified in 2018, 8 years ago. Practices with Harvey Emergency Physicians PLLC, a 49-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
8
Licensed in
IL
In the registry since
2019
What do these letters mean?
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

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Practice location Address checks out

10837 S Cicero Ave
Oak Lawn, IL 60453-6458
Phone: (773) 636-7575
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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 209.019399 (IL)

Record details

NPI number1497314397
Entity typeIndividual (Type 1)
GenderMale
Credentials APN
Sole proprietorNo
NPI enumeratedJune 13, 2019
Last updated in NPPESJune 13, 2019
Mailing address2922 Imperial Ct, Flossmoor, IL 60422-2210

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Harvey Emergency Physicians Pllc — 49 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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