Doctor profile · Federal record

Dr. Marcus Larrieu, APN

Nurse Practitioner · Oak Lawn, IL

  • NPI 1497314397
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10837 S Cicero Ave
Oak Lawn, IL 604536458
(773) 636-7575
Mailing address
2922 Imperial CT
Flossmoor, IL 604222210

Credentials & registration

NPPES · NUCC
NPI registered
June 2019 — 7 yrs on file
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Illinois #209.019399

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497314397. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
226
Distinct HCPCS
8
Medicare allowed
$11,498
HCPCS Description Services Patients Avg allowed
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 43 41 $41
99213 Established patient office or other outpatient visit, 20-29 minutes 42 39 $75
99203 New patient office or other outpatient visit, 30-44 minutes 39 39 $96
87804 Detection test by immunoassay with direct visual observation for influenza virus 38 19 $16
71046 X-ray of chest, 2 views 21 21 $10
99214 Established patient office or other outpatient visit, 30-39 minutes 17 17 $108
81003 Automated urinalysis test 13 13 $2
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 13 13 $16

In context: peer comparison

Among 17 peers in Oak Lawn Nurse Practitioner, average services per provider: 125. This provider delivers 1.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
85
Patients
84
Total drug cost
$672
Drug Type Claims Patients Total cost
Cephalexin Generic 21 21 $129
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 20 20 $134
Azithromycin Generic 19 19 $98
Fluticasone Propionate Generic 14 13 $195
Doxycycline Hyclate Generic 11 11 $116

Frequently asked questions

Auto-generated from federal data
What is Dr. Marcus Larrieu's medical specialty?
Dr. Marcus Larrieu practices Nurse Practitioner in Oak Lawn, IL.
Where does Dr. Marcus Larrieu practice?
Dr. Marcus Larrieu practices at 10837 S Cicero Ave, Oak Lawn, IL 604536458. Office phone: 7736367575.
What is Dr. Marcus Larrieu's NPI?
Dr. Marcus Larrieu's National Provider Identifier (NPI) is 1497314397, issued by NPPES.
Does Dr. Marcus Larrieu accept Medicare assignment?
Yes. Dr. Marcus Larrieu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marcus Larrieu commonly perform?
Top Medicare-reported procedures in 2023: Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (HCPCS 87811); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.