Doctor profile · Federal record

Dr. ANDREA WARREN, APRN, FNP

Family Nurse Practitioner (CMS: NURSE PRACTITIONER) · OAK LAWN, IL

  • NPI 1427423367
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9555 S 52ND AVE
OAK LAWN, IL 604533054
(708) 634-0950
fax (708) 634-0942

Credentials & registration

NPPES · NUCC
NPI registered
December 2015 — 11 yrs on file
Profile last updated
February 27, 2025
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Illinois #277003944

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427423367. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
288
Distinct HCPCS
8
Medicare allowed
$24,920
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 69 65 $107
99213 Established patient office or other outpatient visit, 20-29 minutes 45 44 $80
87651 Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique 42 42 $34
99204 New patient office or other outpatient visit, 45-59 minutes 38 38 $143
0241U Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected 33 33 $136
99203 New patient office or other outpatient visit, 30-44 minutes 23 23 $101
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 20 20 $12
81002 Urinalysis, manual test 18 18 $3

In context: peer comparison

Among 24 peers in this city , average services per provider: 66. This provider delivers 4.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
239
Patients
225
Total drug cost
$2,764
Drug Type Claims Patients Total cost
Fluticasone Propionate Generic 80 79 $991
Doxycycline Hyclate Generic 24 24 $253
Azithromycin Generic 23 23 $127
Mupirocin Generic 21 20 $165
Prednisone Generic 20 20 $51
Cephalexin Generic 17 17 $102
Diclofenac Sodium Generic 16 16 $370
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 14 14 $174
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 12 0 $398
Lagevrio (Eua) (Molnupiravir) Brand 12 12 $131