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Emergency Medicine

Neal S. Patel, MD

Works at hospitals in Saint Louis, MO · Missouri

Summary

Dr. Neal S. Patel, MD is an emergency medicine doctor at 15740 S Outer 40 Rd, Chesterfield, MO 63017. Phone: (636) 237-4200. Accepts Medicare assignment. In 2024, Neal S. Patel had 55 Original Medicare patients and 59 services. NPI 1093933285. 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.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 15740 S Outer 40 Rd, Chesterfield, MO 63017 · Directions (2 more locations)
  • Phone: (636) 237‑4200
  • Medicare: Accepts Medicare assignment
  • Hospitals: Mercy Hospital South, Mercy Hospital St Louis
  • Group practice: Mercy Aco Clinical Services Inc (+1 more)
  • Medical school: University Of Missouri, Kansas City, School Of Medicine · graduated 2004 (22 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Neal S. Patel, 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 Neal S. Patel accept Medicare assignment?
Yes. Medicare's clinician data says Neal S. Patel 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 Neal S. Patel see?
In 2024, CMS data shows 55 Original Medicare patients and 59 services for Neal S. Patel. This counts Original Medicare only and measures volume, not quality.
What is Neal S. Patel's NPI number?
1093933285. 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 Neal S. Patel, 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 patients55
Services billed to Medicare59
Different services or procedures8
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)32 services
  2. Critical care, first 30-74 minutes (99291)12 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%
  • Depression62%
  • Arthritis58%
  • Ischemic heart disease51%
  • Anxiety45%

Hospitals where Neal S. Patel works

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

Group practices

Medicare enrollment lists Neal S. Patel as a member of these groups (CMS data updated October 2, 2026).

  • Mercy Aco Clinical Services Inc170 clinicians in the group
  • Mercy Hospitals East Communities98 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Missouri →

Other emergency medicine doctors in Chesterfield

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

All emergency medicine doctors in Chesterfield →

Other clinicians in Mercy Aco Clinical Services Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Missouri, Kansas City, School Of Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1093933285
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