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

Emergency Medicine

Dana R. Day, MD

Works at hospitals in Pilot Knob, MO · Crystal City, MO · Saint Louis, MO … · Missouri

Summary

Dr. Dana R. Day, MD is an emergency medicine doctor at 301 N Hwy 21, Pilot Knob, MO 63663. Accepts Medicare assignment. NPI 1588681035. 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 Dana R. Day, 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 Dana R. Day accept Medicare assignment?
Yes. Medicare's clinician data says Dana R. Day 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 Dana R. Day's NPI number?
1588681035. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Dana R. Day works

Medicare's Facility Affiliation Data lists Dana R. Day 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.

Practice locations

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

  • 301 N Hwy 21Pilot Knob, MO 63663

Group practices

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

  • Iron County Hospital District25 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Missouri →

Other emergency medicine doctors in Missouri

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

All emergency medicine doctors in Missouri →

Other clinicians in Iron County Hospital District

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

Clinician information

CredentialMD
Medical schoolUniversity Of Alabama School Of Medicine
Graduation year1979 (47 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588681035
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