Physician Profile
Steven L. Kagen, M.D. is a healthcare provider in Appleton, WI specializing in allergy. Steven trained at University of Wisconsin School of Medicine, graduating in 1976. Medicare claims data shows Steven provided 167 services to 109 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, test to measure the level of nitric oxide gas, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
100 W LAWRENCE ST STE 410
Appleton, WI 54911
167 services · 109 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test to measure the level of nitric oxide gas | Treatment | 95012 |
35 | As often as other peers in Allergy |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
104 | As often as other peers in Allergy |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
28 | As often as other peers in Allergy |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Steven L. Kagen is an allergy in Appleton, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Steven L. Kagen is listed at 100 W Lawrence St Ste 410, Appleton, WI 54911. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (920) 739-9100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Steven L. Kagen's National Provider Identifier is 1235175589. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Steven L. Kagen attended University of Wisconsin School of Medicine, graduating in 1976. This comes from the CMS National Downloadable File.
CMS public data
Steven L. Kagen has 50 years experience. Calculated from a graduation year of 1976, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Steven L. Kagen provides treatments such as test to measure the level of nitric oxide gas, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Steven L. Kagen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.