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Emergency Medicine

Kelly Tillotson, MD

Works at hospitals in Saint Louis, MO · Creve Coeur, MO · Missouri

Summary

Dr. Kelly Tillotson, MD is an emergency medicine doctor at 1 Barnes Hospital Plz, Saint Louis, MO 63110. Phone: (314) 362-9170. Accepts Medicare assignment. In 2024, Kelly Tillotson had 101 Original Medicare patients and 156 services. NPI 1760001408. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Kelly Tillotson, 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 Kelly Tillotson accept Medicare assignment?
Yes. Medicare's clinician data says Kelly Tillotson 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 Kelly Tillotson see?
In 2024, CMS data shows 101 Original Medicare patients and 156 services for Kelly Tillotson. This counts Original Medicare only and measures volume, not quality.
What is Kelly Tillotson's NPI number?
1760001408. 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 Kelly Tillotson, 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 patients101
Services billed to Medicare156
Different services or procedures15
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)43 services
  2. Emergency department visit with high level of medical decision making (99285)43 services
  3. Emergency department visit with moderate level of medical decision making (99284)39 services
  4. Critical care, first 30-74 minutes (99291)14 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).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis55%
  • Ischemic heart disease39%
  • Diabetes38%
  • Depression38%

Hospitals where Kelly Tillotson works

Medicare's Facility Affiliation Data lists Kelly Tillotson 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 Kelly Tillotson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kelly Tillotson as a member of these groups (CMS data updated October 2, 2026).

  • Washington University3,029 clinicians in the group
  • Washington University Community Specialists LLC105 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Missouri →

Other emergency medicine doctors in Saint Louis

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

All emergency medicine doctors in Saint Louis →

Other clinicians in Washington University

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

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year2020 (6 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1760001408
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