Doctor profile · Federal record
Dr. Claudia Tiwet, MD
Internal Medicine Physician · Gurnee, IL
- NPI 1114094646
- 20 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
731 S Il Route 21 Ste 130
Gurnee, IL 60031
(847) 566-3337 - Additional location
-
150 N River RD, Suite 100
Des Plaines, IL 600161272
(847) 298-0310
fax (847) 298-5939
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- April 1, 2021
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036-105276
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1114094646. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
416
Distinct HCPCS
6
Medicare allowed
$46,137
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 172 | 172 | $133 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 139 | 109 | $100 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 59 | 51 | $68 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 21 | 21 | $171 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 14 | 14 | $8 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $138 |
In context: peer comparison
Among 11 peers in Gurnee Internal Medicine Physician, average services per provider: 92. This provider delivers 4.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,112
Patients
644
Total drug cost
$27,957
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 331 | 98 | $4,223 |
| Amlodipine Besylate | Generic | 238 | 71 | $2,325 |
| Levothyroxine Sodium | Generic | 218 | 64 | $3,626 |
| Losartan Potassium | Generic | 188 | 59 | $2,703 |
| Lisinopril | Generic | 144 | 44 | $1,826 |
| Simvastatin | Generic | 140 | 41 | $1,531 |
| Omeprazole | Generic | 123 | 36 | $2,076 |
| Metoprolol Succinate | Generic | 120 | 41 | $2,297 |
| Hydrochlorothiazide | Generic | 115 | 37 | $838 |
| Gabapentin | Generic | 91 | 30 | $1,572 |
Frequently asked questions
What is Dr. Claudia Tiwet's medical specialty?
Dr. Claudia Tiwet practices Internal Medicine Physician in Gurnee, IL.
Where does Dr. Claudia Tiwet practice?
Dr. Claudia Tiwet practices at 731 S Il Route 21 Ste 130, Gurnee, IL 60031. Office phone: 8475663337.
What is Dr. Claudia Tiwet's NPI?
Dr. Claudia Tiwet's National Provider Identifier (NPI) is 1114094646, issued by NPPES.
What procedures does Dr. Claudia Tiwet commonly perform?
Top Medicare-reported procedures in 2023: Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.