Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Clay O. Thornburg

Works at hospitals in Quincy, IL · Hannibal, MO · Illinois, Missouri

Summary

Clay O. Thornburg is a nurse practitioner at 100 Medical Dr, Hannibal, MO 63401. Phone: (217) 223-8400. Accepts Medicare assignment. NPI 1710596424. 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 Clay O. Thornburg, 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 Clay O. Thornburg accept Medicare assignment?
Yes. Medicare's clinician data says Clay O. Thornburg 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 Clay O. Thornburg's NPI number?
1710596424. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Clay O. Thornburg works

Medicare's Facility Affiliation Data lists Clay O. Thornburg 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.

  • Blessing HospitalQuincy, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140015
  • Hannibal Regional HospitalHannibal, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260025

Practice locations

Addresses where Clay O. Thornburg is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Clay O. Thornburg as a member of this group (CMS data updated October 2, 2026).

  • Blessing Hospital421 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Missouri →

Other nurse practitioners in Hannibal

Clinicians with the same Medicare primary specialty in Hannibal, MO — not a recommendation.

All nurse practitioners in Hannibal →

Other clinicians in Blessing Hospital

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

Clinician information

Graduation year2020
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710596424
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