Doctor profile · Federal record
Dr. Stephen Dernlan, MD
Internal Medicine Physician · Appleton, WI
- NPI 1083646608
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3916 N Intertech CT
Appleton, WI 54913
(920) 996-1000
fax (920) 997-8302
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- June 1, 2023
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Wisconsin #30115-020
- Medicaid
- WI #31480500
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1083646608. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,031
Distinct HCPCS
10
Medicare allowed
$37,543
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 224 | 124 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 119 | 95 | $121 | |
80048 |
Blood test, basic group of blood chemicals (calcium, total) | 109 | 90 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 86 | 72 | $85 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 85 | 82 | $13 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 52 | 52 | $122 | |
83036 |
Hemoglobin a1c level | 50 | 46 | $10 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 46 | 40 | $16 | |
84460 |
Liver enzyme (sgpt), level | 40 | 40 | $5 | |
G0103 |
Prostate cancer screening; prostate specific antigen test (psa) | 29 | 29 | $19 |
In context: peer comparison
Among 12 peers in this city , average services per provider: 91. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
4,076
Patients
1,228
Total drug cost
$58,071
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 500 | 158 | $6,826 |
| Amlodipine Besylate | Generic | 484 | 136 | $4,055 |
| Losartan Potassium | Generic | 431 | 125 | $6,452 |
| Levothyroxine Sodium | Generic | 420 | 121 | $7,778 |
| Lisinopril | Generic | 360 | 107 | $3,600 |
| Omeprazole | Generic | 256 | 92 | $4,315 |
| Metoprolol Succinate | Generic | 250 | 80 | $6,344 |
| Hydrochlorothiazide | Generic | 232 | 67 | $1,123 |
| Simvastatin | Generic | 215 | 69 | $2,645 |
| Metformin Hcl | Generic | 171 | 54 | $2,357 |
Frequently asked questions
What is Dr. Stephen Dernlan's medical specialty?
Dr. Stephen Dernlan practices Internal Medicine Physician in Appleton, WI.
Where does Dr. Stephen Dernlan practice?
Dr. Stephen Dernlan practices at 3916 N Intertech CT, Appleton, WI 54913. Office phone: 9209961000.
What is Dr. Stephen Dernlan's NPI?
Dr. Stephen Dernlan's National Provider Identifier (NPI) is 1083646608, issued by NPPES.
What procedures does Dr. Stephen Dernlan commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Blood test, basic group of blood chemicals (calcium, total) (HCPCS 80048). Source: CMS Medicare Physician & Other Practitioners file.