Doctor profile · Federal record
Dr. Courtney Iwersen, APN-CNP
Nurse Practitioner · Family Nurse Practitioner · Elmhurst, IL
- NPI 1164932653
- Accepts Medicare
- MIPS 91.4 / 100 · 2023
- 9 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
133 E Brush Hill RD Ste 310
Elmhurst, IL 601265662
(331) 221-9003
fax (331) 221-2743 - Mailing address
-
4201 Winfield RD Fl 4
Warrenville, IL 605554025
Credentials & registration
- NPI registered
- October 2017 — 9 yrs on file
- Profile last updated
- April 9, 2026
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- Illinois #209016723
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164932653. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
201
Distinct HCPCS
4
Medicare allowed
$28,499
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 80 | 71 | $159 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 64 | 64 | $149 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 35 | 33 | $114 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 22 | 22 | $102 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 83. This provider delivers 2.4× the peer median.Open Payments
Industry payments received
All-time total
$35
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, Inc. | 1 | $34.95 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
607
Patients
369
Total drug cost
$81,116
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 254 | 247 | $5,780 |
| Pantoprazole Sodium | Generic | 143 | 62 | $1,712 |
| Omeprazole | Generic | 130 | 49 | $1,510 |
| Linzess (Linaclotide) | Brand | 25 | 11 | $14,167 |
| Famotidine | Generic | 20 | 0 | $262 |
| Budesonide Dr (Budesonide) | Brand | 12 | 0 | $1,016 |
| Sandostatin Lar Depot (Octreotide Acetate,mi-Spheres) | Brand | 12 | 0 | $56,562 |
| Dicyclomine Hcl | Generic | 11 | 0 | $107 |
Frequently asked questions
What is Dr. Courtney Iwersen's medical specialty?
Dr. Courtney Iwersen practices Nurse Practitioner in Elmhurst, IL.
Where does Dr. Courtney Iwersen practice?
Dr. Courtney Iwersen practices at 133 E Brush Hill RD Ste 310, Elmhurst, IL 601265662. Office phone: 3312219003.
What is Dr. Courtney Iwersen's NPI?
Dr. Courtney Iwersen's National Provider Identifier (NPI) is 1164932653, issued by NPPES.
Does Dr. Courtney Iwersen accept Medicare assignment?
Yes. Dr. Courtney Iwersen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Courtney Iwersen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.