Doctor profile · Federal record
Dr. Charles Kagen, M.D.
Dermatology Physician (CMS: Dermatology) · Appleton, WI
- NPI 1114015674
- Accepts Medicare
- 46 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
100 W Lawrence St, Suite 409
Appleton, WI 549115773
(920) 733-5138
fax (920) 733-3759
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- January 1, 2026
- Year of graduation
- 1980 — 46 yrs since
- Specialty taxonomy
- 207N00000X — NUCC code
- State license (1)
- Wisconsin #24388-20
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1114015674. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
962
Distinct HCPCS
10
Medicare allowed
$51,123
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
17003 |
Destruction of precancer skin growth, 2-14 growths | 315 | 91 | $6 | |
17000 |
Destruction of precancer skin growth, 1 growth | 169 | 127 | $52 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 150 | 124 | $85 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 92 | 87 | $53 | |
17110 |
Destruction of skin growth, 1-14 growths | 90 | 80 | $107 | |
11102 |
Biopsy of related skin growth, first growth | 67 | 62 | $86 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 25 | 20 | $116 | |
17261 |
Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm | 24 | 11 | $110 | |
11200 |
Removal of skin tag, 1-15 skin tags | 16 | 16 | $65 | |
11900 |
Injection into skin growth, 1-7 growths | 14 | 12 | $44 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 114. This provider delivers 8.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
774
Patients
413
Total drug cost
$104,167
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Triamcinolone Acetonide | Generic | 175 | 116 | $1,552 |
| Ciclopirox (Ciclopirox Olamine) | Brand | 101 | 56 | $1,466 |
| Doxycycline Monohydrate | Generic | 69 | 28 | $1,738 |
| Betamethasone Dipropionate | Generic | 67 | 31 | $3,364 |
| Fluocinonide | Generic | 67 | 27 | $3,144 |
| Betamethasone Diprop Augmented (Betamethasone/Propylene Glyc) | Brand | 63 | 41 | $1,059 |
| Acyclovir | Generic | 52 | 20 | $1,292 |
| Clindamycin Phosphate | Generic | 41 | 24 | $2,311 |
| Clobetasol Propionate | Generic | 37 | 22 | $1,448 |
| Fluorouracil | Generic | 33 | 31 | $2,809 |
Frequently asked questions
What is Dr. Charles Kagen's medical specialty?
Dr. Charles Kagen practices Dermatology Physician in Appleton, WI.
Where does Dr. Charles Kagen practice?
Dr. Charles Kagen practices at 100 W Lawrence St, Appleton, WI 549115773. Office phone: 9207335138.
What is Dr. Charles Kagen's NPI?
Dr. Charles Kagen's National Provider Identifier (NPI) is 1114015674, issued by NPPES.
Does Dr. Charles Kagen accept Medicare assignment?
Yes. Dr. Charles Kagen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Kagen commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Destruction of precancer skin growth, 1 growth (HCPCS 17000); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.