Doctor profile · Federal record
Dr. Courtney Castelein, APRN, FNP
Nurse Practitioner · Janesville, WI
- NPI 1932648771
- 9 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1000 Mineral Point Ave
Janesville, WI 535482940
(608) 756-6826
fax (608) 756-6160
Credentials & registration
- NPI registered
- February 2017 — 9 yrs on file
- Profile last updated
- April 11, 2017
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- Wisconsin #7532-33
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1932648771. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
248
Distinct HCPCS
3
Medicare allowed
$15,130
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 194 | 141 | $53 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 30 | 28 | $79 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 24 | 24 | $106 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 51. This provider delivers 4.9× the peer median.Open Payments
Industry payments received
All-time total
$172
Transactions
9
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 4 | $87.68 | |
| Novo Nordisk Inc | 3 | $50.18 | |
| Phathom Pharmaceuticals, Inc. | 2 | $34.58 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,139
Patients
574
Total drug cost
$15,230
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 179 | 96 | $1,976 |
| Amlodipine Besylate | Generic | 108 | 58 | $1,058 |
| Omeprazole | Generic | 107 | 58 | $1,912 |
| Levothyroxine Sodium | Generic | 95 | 48 | $1,418 |
| Lisinopril | Generic | 93 | 49 | $764 |
| Losartan Potassium | Generic | 84 | 43 | $967 |
| Gabapentin | Generic | 72 | 27 | $1,357 |
| Hydrochlorothiazide | Generic | 72 | 43 | $296 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 71 | 22 | $1,989 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 54 | 29 | $703 |
Frequently asked questions
What is Dr. Courtney Castelein's medical specialty?
Dr. Courtney Castelein practices Nurse Practitioner in Janesville, WI.
Where does Dr. Courtney Castelein practice?
Dr. Courtney Castelein practices at 1000 Mineral Point Ave, Janesville, WI 535482940. Office phone: 6087566826.
What is Dr. Courtney Castelein's NPI?
Dr. Courtney Castelein's National Provider Identifier (NPI) is 1932648771, issued by NPPES.
What procedures does Dr. Courtney Castelein commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.