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Physician Assistant

Austin H. Sneddon, PA

Works at hospitals in Crystal City, MO · Missouri

Summary

Austin H. Sneddon, PA is a physician assistant at 1390 US Hwy 61, Suite G1000, Festus, MO 63028. Phone: (636) 933-7400. Accepts Medicare assignment. In 2024, Austin H. Sneddon had 156 Original Medicare patients and 6,186 services. NPI 1477266203. 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: Physician assistant
  • Address: 1390 US Hwy 61, Suite G1000, Festus, MO 63028 · Directions (3 more locations)
  • Phone: (636) 933‑7400
  • Medicare: Accepts Medicare assignment
  • Hospital: Mercy Hospital Jefferson
  • Group practice: Mercy Clinic Surgical Specialists LLC
  • School: Saint Louis University School Of Medicine · graduated 2023
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Austin H. Sneddon, 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 Austin H. Sneddon accept Medicare assignment?
Yes. Medicare's clinician data says Austin H. Sneddon 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 Austin H. Sneddon see?
In 2024, CMS data shows 156 Original Medicare patients and 6,186 services for Austin H. Sneddon. This counts Original Medicare only and measures volume, not quality.
What is Austin H. Sneddon's NPI number?
1477266203. 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 Austin H. Sneddon, 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 patients156
Services billed to Medicare6,186
Different services or procedures44
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Injection, methylprednisolone acetate, 1 mg (J1010)5,360 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)104 services
  3. Aspiration and/or injection of fluid from large joint (20610)79 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)38 services
  5. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)38 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%
  • Arthritis75%
  • Anxiety41%
  • Depression39%
  • Diabetes37%

Hospitals where Austin H. Sneddon works

Medicare's Facility Affiliation Data lists Austin H. Sneddon 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.

  • Mercy Hospital JeffersonCrystal City, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260023

Practice locations

Addresses where Austin H. Sneddon is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Austin H. Sneddon as a member of this group (CMS data updated October 2, 2026).

  • Mercy Clinic Surgical Specialists LLC182 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Missouri →

Other physician assistants in Festus

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

All physician assistants in Festus →

Other clinicians in Mercy Clinic Surgical Specialists LLC

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

Clinician information

CredentialPA
SchoolSaint Louis University School Of Medicine
Graduation year2023
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1477266203
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