Doctor profile · Federal record

Dr. Wendy Greep, APRN

Family Nurse Practitioner (CMS: Nurse Practitioner) · Oswego, IL

  • NPI 1205448636
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4789 Route 71
Oswego, IL 605437415
(630) 692-5730
fax (630) 692-5731
Additional location
294 Walsh Cir
Yorkville, IL 605605809
(815) 931-8733

Credentials & registration

NPPES · NUCC
NPI registered
August 2020 — 6 yrs on file
Profile last updated
June 28, 2021
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Illinois #209021825

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205448636. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
173
Distinct HCPCS
4
Medicare allowed
$12,134
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 99 90 $80
99203 New patient office or other outpatient visit, 30-44 minutes 35 35 $98
81003 Automated urinalysis test 23 21 $2
99212 Established patient office or other outpatient visit, 10-19 minutes 16 16 $48

In context: peer comparison

Among 4 peers in this city , average services per provider: 45. This provider delivers 3.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$135
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 3 $135.29

By nature of payment

Food and Beverage
$135

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
101
Patients
99
Total drug cost
$662
Drug Type Claims Patients Total cost
Azithromycin Generic 23 22 $152
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 22 22 $192
Prednisone Generic 21 21 $41
Cephalexin Generic 20 19 $134
Doxycycline Hyclate Generic 15 15 $143

Frequently asked questions

Auto-generated from federal data
What is Dr. Wendy Greep's medical specialty?
Dr. Wendy Greep practices Family Nurse Practitioner in Oswego, IL.
Where does Dr. Wendy Greep practice?
Dr. Wendy Greep practices at 4789 Route 71, Oswego, IL 605437415. Office phone: 6306925730.
What is Dr. Wendy Greep's NPI?
Dr. Wendy Greep's National Provider Identifier (NPI) is 1205448636, issued by NPPES.
Does Dr. Wendy Greep accept Medicare assignment?
Yes. Dr. Wendy Greep accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wendy Greep commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.