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Physician Assistant

Katherine A. Wiedenhofer, PA

Sees patients in Largo, FL · Oviedo, FL · Florida

Summary

Katherine A. Wiedenhofer, PA is a physician assistant at 1345 W Bay Dr, 202 Optum Largo, Largo, FL 33770. Phone: (727) 559-0895. Accepts Medicare assignment. In 2024, Katherine A. Wiedenhofer had 21 Original Medicare patients and 74 services. NPI 1366689317. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 1345 W Bay Dr, 202 Optum Largo, Largo, FL 33770 · Directions (1 more location)
  • Phone: (727) 559‑0895
  • Medicare: Accepts Medicare assignment
  • Group practice: Optumcare Florida, LLC
  • School: graduated 2009
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Katherine A. Wiedenhofer, 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 Katherine A. Wiedenhofer accept Medicare assignment?
Yes. Medicare's clinician data says Katherine A. Wiedenhofer 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 Katherine A. Wiedenhofer see?
In 2024, CMS data shows 21 Original Medicare patients and 74 services for Katherine A. Wiedenhofer. This counts Original Medicare only and measures volume, not quality.
What is Katherine A. Wiedenhofer's NPI number?
1366689317. 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 Katherine A. Wiedenhofer, 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 patients21
Services billed to Medicare74
Different services or procedures16
Participating Medicare providerYes
Average age of these patients76

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 blood pressure75%
  • High cholesterol75%
  • Arthritis52%

Practice locations

Addresses where Katherine A. Wiedenhofer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Katherine A. Wiedenhofer as a member of this group (CMS data updated October 2, 2026).

  • Optumcare Florida, LLC272 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Florida →

Other physician assistants in Largo

Clinicians with the same Medicare primary specialty in Largo, FL — not a recommendation.

All physician assistants in Largo →

Other clinicians in Optumcare Florida, LLC

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

Clinician information

CredentialPA
Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366689317
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