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Allergy/Immunology

Karen R. Konz, DO

Sees patients in Appleton, WI · Wisconsin

Summary

Dr. Karen R. Konz, DO is an allergist and immunologist at 436 E Longview Dr, Suite B, Appleton, WI 54911. Phone: (920) 739-5213. Accepts Medicare assignment. In 2024, Karen R. Konz had 36 Original Medicare patients and 2,478 services. NPI 1477503670. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Allergist and immunologist (Medicare lists Allergy/Immunology)
  • Address: 436 E Longview Dr, Suite B, Appleton, WI 54911 · Directions
  • Phone: (920) 739‑5213
  • Medicare: Accepts Medicare assignment
  • Group practice: Allergy and Asthma Associates, SC
  • Medical school: Midwestern University, Chicago College Of Osteopathic Med · graduated 1990 (36 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Karen R. Konz, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Karen R. Konz accept Medicare assignment?
Yes. Medicare's clinician data says Karen R. Konz accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Karen R. Konz see?
In 2024, CMS data shows 36 Original Medicare patients and 2,478 services for Karen R. Konz. This counts Original Medicare only and measures volume, not quality.
What is Karen R. Konz's NPI number?
1477503670. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Karen R. Konz, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients36
Services billed to Medicare2,478
Different services or procedures18
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Test for allergy using allergenic extract (95004)605 services
  2. Professional service for preparation and provision of 1 or more antigens (95165)257 services
  3. Professional service for single injection of allergen (95115)139 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)16 services
  5. Test to measure expiratory airflow and volume (94010)14 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure64%
  • Arthritis47%
  • Asthma44%
  • Anxiety39%
  • Depression31%

Practice locations

Addresses where Karen R. Konz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Karen R. Konz as a member of this group (CMS data updated October 2, 2026).

  • Allergy and Asthma Associates, SC2 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Wisconsin →

Other allergist and immunologists in Wisconsin

Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.

All allergist and immunologists in Wisconsin →

Other clinicians in Allergy and Asthma Associates, SC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year1990 (36 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1477503670
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians