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Pediatric Medicine

Marwan S. Shinawi, MD

Sees patients in Saint Louis, MO · Florissant, MO · Town And Country, MO · Missouri

Summary

Dr. Marwan S. Shinawi, MD is a pediatrician at 1 Barnes Jew Hosp Plz, Saint Louis, MO 63110. Phone: (314) 454-6148. Accepts Medicare assignment. In 2024, Marwan S. Shinawi had 13 Original Medicare patients and 14 services. NPI 1912087354. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Pediatrician (Medicare lists Pediatric Medicine)
  • Address: 1 Barnes Jew Hosp Plz, Saint Louis, MO 63110 · Directions (4 more locations)
  • Phone: (314) 454‑6148
  • Medicare: Accepts Medicare assignment
  • Group practice: Washington University
  • Medical school: graduated 1996 (30 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Marwan S. Shinawi, 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 Marwan S. Shinawi accept Medicare assignment?
Yes. Medicare's clinician data says Marwan S. Shinawi 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 Marwan S. Shinawi see?
In 2024, CMS data shows 13 Original Medicare patients and 14 services for Marwan S. Shinawi. This counts Original Medicare only and measures volume, not quality.
What is Marwan S. Shinawi's NPI number?
1912087354. 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 Marwan S. Shinawi, 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 patients13
Services billed to Medicare14
Different services or procedures4
Participating Medicare providerYes
Average age of these patients51

Practice locations

Addresses where Marwan S. Shinawi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Marwan S. Shinawi as a member of this group (CMS data updated October 2, 2026).

  • Washington University3,029 clinicians in the group

Specialties

Find other Pediatric Medicine doctors in Missouri →

Other pediatricians in Saint Louis

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

All pediatricians in Saint Louis →

Other clinicians in Washington University

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

Clinician information

CredentialMD
Graduation year1996 (30 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1912087354
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians