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Physician Assistant

Lauren Osias

Works at hospitals in Chesterfield, MO · Missouri

Summary

Lauren Osias is a physician assistant at 232 S Woods Mill Rd, Chesterfield, MO 63017. Phone: (314) 878-2888. Accepts Medicare assignment. NPI 1275345951. 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 Lauren Osias, 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 Lauren Osias accept Medicare assignment?
Yes. Medicare's clinician data says Lauren Osias 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 Lauren Osias's NPI number?
1275345951. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Lauren Osias works

Medicare's Facility Affiliation Data lists Lauren Osias 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.

  • St Lukes HospitalChesterfield, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260179

Practice locations

Addresses where Lauren Osias is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lauren Osias as a member of this group (CMS data updated October 2, 2026).

  • Neurosurgery and Neurology LLC13 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Missouri →

Other physician assistants in Chesterfield

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

All physician assistants in Chesterfield →

Other clinicians in Neurosurgery and Neurology LLC

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

Clinician information

Graduation year2024
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275345951
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