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Physician Assistant

Korey J. Jaminski

Works at hospitals in Fort Atkinson, WI · Wisconsin

Summary

Korey J. Jaminski is a physician assistant at 1504 Madison Ave, Fort Atkinson, WI 53538. Phone: (920) 563-7888. Accepts Medicare assignment. In 2024, Korey J. Jaminski had 108 Original Medicare patients and 4,303 services. NPI 1528517687. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 1504 Madison Ave, Fort Atkinson, WI 53538 · Directions (1 more location)
  • Phone: (920) 563‑7888
  • Medicare: Accepts Medicare assignment
  • Hospital: Fort Memorial Hospital
  • Group practice: Fort Healthcare Inc
  • School: graduated 2016
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Korey J. Jaminski, 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 Korey J. Jaminski accept Medicare assignment?
Yes. Medicare's clinician data says Korey J. Jaminski 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 Korey J. Jaminski see?
In 2024, CMS data shows 108 Original Medicare patients and 4,303 services for Korey J. Jaminski. This counts Original Medicare only and measures volume, not quality.
What is Korey J. Jaminski's NPI number?
1528517687. 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 Korey J. Jaminski, 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 patients108
Services billed to Medicare4,303
Different services or procedures42
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Injection, methylprednisolone acetate, 1 mg (J1010)2,920 services
  2. Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg (J7325)768 services
  3. Aspiration and/or injection of fluid from large joint (20610)53 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)46 services
  5. X-ray of shoulder, minimum of 2 views (73030)19 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).

  • Arthritis75%
  • High blood pressure63%
  • High cholesterol62%
  • Depression32%
  • Anxiety29%
  • Ischemic heart disease26%

Hospitals where Korey J. Jaminski works

Medicare's Facility Affiliation Data lists Korey J. Jaminski at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Fort Memorial HospitalFort Atkinson, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520071

Practice locations

Addresses where Korey J. Jaminski is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Korey J. Jaminski as a member of this group (CMS data updated October 2, 2026).

  • Fort Healthcare Inc155 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Wisconsin →

Other physician assistants in Fort Atkinson

Clinicians with the same Medicare primary specialty in Fort Atkinson, WI — not a recommendation.

All physician assistants in Fort Atkinson →

Other clinicians in Fort Healthcare Inc

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

Clinician information

Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1528517687
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians