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Physician Assistant

Kathrin R. Underwood

Works at hospitals in Peru, IL · Peoria, IL · Pontiac, IL · Illinois

Summary

Kathrin R. Underwood is a physician assistant at 530 NE Glen Oak Ave, Peoria, IL 61637. Phone: (309) 655-2000. Accepts Medicare assignment. NPI 1114764776. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Kathrin R. Underwood, 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 Kathrin R. Underwood accept Medicare assignment?
Yes. Medicare's clinician data says Kathrin R. Underwood 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.
What is Kathrin R. Underwood's NPI number?
1114764776. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Kathrin R. Underwood works

Medicare's Facility Affiliation Data lists Kathrin R. Underwood 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.

  • OSF Saint Elizabeth MDL CenterPeru, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140110
  • Saint Francis Medical CenterPeoria, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140067
  • Saint James HospitalPontiac, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 140161

Practice locations

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

Group practices

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

  • OSF Multi-Specialty Group2,114 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Illinois →

Other physician assistants in Peoria

Clinicians with the same Medicare primary specialty in Peoria, IL — not a recommendation.

All physician assistants in Peoria →

Other clinicians in OSF Multi-Specialty Group

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

Clinician information

Graduation year2025
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114764776
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians