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Active NPI 1114015674 Individual Practitioner Male Practitioner

Dr. Charles Norman Kagen , MD

Dermatology • Appleton, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Charles Kagen, MD is a certified Dermatology practicing in Appleton, WI. With approximately 46 years of clinical experience since graduating from University Of Wisconsin School Of Medicine in 1980, Dr. Kagen delivers high-quality medical care to the local community at 100 W LAWRENCE ST.

Dr. Kagen accepts Medicare assignment.

Frequently performed procedures and clinical services include destruction of precancer skin growth, 2-14 growths, established patient outpatient office visit, destruction of skin growth. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

100 W Lawrence St
Suite 409

Appleton, WI 549115773

Telephone 9207335138
Fax 9207333759
Associated Practice Facility / Clinic
🏢 Kagen Allergy Clinic S.c. Facility NPI 1205993946

Medicare Profile & Education

Medical School

University Of Wisconsin School Of Medicine

Graduation Year

1980

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Dermatology in Appleton, WI

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
46 Yrs +23.0 yrs vs City Avg
City Avg: 23.0 Yrs
State Avg: 22.7 Yrs
Regional Practice Density
6 Specialists

Practicing in Appleton, WI (337 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
72.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Kagen (46 Years) 46 Yrs
Appleton Specialty Average (23.0 Years) 23.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths
259 83 $44.24 $6.32
99213 Established patient office or other outpatient visit, typically 15 minutes
244 177 $259.89 $85.31
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more
166 148 $177.40 $52.65
17000 Destruction of skin growth
152 117 $234.57 $49.89
17110 Destruction of up to 14 skin growths
110 95 $322.69 $105.07
11102 Tangential biopsy of single skin lesion
61 54 $247.85 $81.75
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg
47 11 $8.30 $0.99
17261 Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm
23 15 $422.48 $115.15
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
22 22 $390.50 $120.33
11103 Biopsy of related skin growth, each additional growth
18 11 $201.67 $46.96
11900 Injection into skin growth, 1-7 growths
15 13 $168.33 $41.05
11200 Removal of skin tag, 1-15 skin tags
12 12 $257.67 $56.23

Medical Specialties & State Licenses

CMS Verified: 2026-01-01
Dermatology Primary Specialty

NUCC Taxonomy Code: 207N00000X

State License WI 24388-20

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 16, 2019

Dermatology (License #24388-20 in WI)

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 100 W LAWRENCE ST, SUITE 409, APPLETON, WI 549115773 (Tel: 9207335138)

📍
Updated Business Mailing Address July 08, 2007

Registered at 100 W LAWRENCE ST, SUITE 409, APPLETON, WI 549115773 (Tel: 9207335138)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as CHARLES KAGEN, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Specialist (License #24388 in WI)

🟢
Initial NPI Registration & Enumeration October 10, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1114015674
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 10, 2006
Last Update: January 01, 2026
Sole Proprietor: No

Mailing Address

100 W Lawrence St, Suite 409

Appleton, WI 549115773

Phone: 9207335138

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.