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STEVEN L KAGEN M.D.
NPI 1235175589
Allergy & Immunology - Allergy in Appleton, WI

Active since June 22, 2006PECOS EnrolledAccepts Medicare Assignment
100 W LAWRENCE ST STE 410, APPLETON, WI 54911(920) 739-9100(920) 739-8779 Get Directions Write a Review

NPPES record last updated: April 24, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Steven L Kagen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEVEN L KAGEN M.D. (NPI 1235175589) is an individual allergy provider in Appleton, Wisconsin, licensed in Wisconsin (22210-020) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Thedacare Regional Med Ctr - Neenah, and is a graduate of University Of Wisconsin School Of Medicine (1976).

NPPES Registry Identity

NPI1235175589
Entity TypeIndividualMale
Primary Taxonomy207KA0200X
Provider Legal NameSTEVEN L KAGENCredential: M.D.
Location Address100 W LAWRENCE ST STE 410Appleton, WI 54911-5754
Mailing Address100 W Lawrence St Ste 410Appleton, WI 54911-5754 · (920) 739-9100 · Fax (920) 739-8779
Phone(920) 739-9100
Fax(920) 739-8779
Sole ProprietorYes
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 1976
Enumeration DateJune 22, 2006
Last NPPES UpdateApril 24, 2026
NPPES CertifiedApril 24, 2026
✔ NPI 1235175589 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
License✔ Licensed in WI · 22210-020
Definition

A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee

100 W LAWRENCE ST STE 410, Appleton, WI 54911
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Other Identifiers 1

Medicaid30392500WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Steven L Kagen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2163424474
PECOS Enrollment IDI20070215000028
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
104 services51 patients
Test to measure the level of nitric oxide gas 95012
A test to measure the level of nitric oxide gas helps assess inflammation in the lungs, often linked with asthma. You'll breathe into a device, and it'll provide a reading of nitric oxide levels. This helps monitor and manage respiratory conditions.
35 services30 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
28 services28 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Thedacare Regional Med Ctr - Neenah

Acute Care Hospitals · Neenah, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520045
Location130 2nd StNeenah, WI 54956 · Winnebago County
Emergency services Birthing friendly

Thedacare Regional Medical Center - Appleton Inc

Acute Care Hospitals · Appleton, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520160
Location1818 N Meade StAppleton, WI 54911 · Outagamie County
Emergency services Birthing friendly

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620
DME-Drugs Administered Through DME · category DG006N
2 suppliers12 claims1,800 services$0.09 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
4 suppliers13 claims13 services$24.19 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Steven Kagen's NPI number?

The NPI number for Steven Kagen is 1235175589. It was assigned to this individual provider in the NPPES registry on June 22, 2006.

Where is Steven Kagen located?

Steven Kagen practices at 100 W Lawrence St Ste 410, Appleton, WI 54911. The listed phone number is (920) 739-9100.

What is Steven Kagen's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is Steven Kagen enrolled in Medicare?

Yes. Steven Kagen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Steven Kagen accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Quartz and 1 other insurer list Steven Kagen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Steven Kagen affiliated with any hospitals?

According to CMS data, Steven Kagen is affiliated with Thedacare Regional Med Ctr - Neenah and Thedacare Regional Medical Center - Appleton Inc.

When was this NPI record last updated?

The NPPES record for Steven Kagen was last updated on April 24, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.