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Physician Assistant

Madelyn M. Tegerdine, PA

Sees patients in O Fallon, MO · Saint Louis, MO · Missouri

Summary

Madelyn M. Tegerdine, PA (Physician Assistant) is enrolled with Medicare at 3 practice locations in O Fallon, MO and Saint Louis, MO. NPI 1255081667. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Madelyn M. Tegerdine, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Physician AssistantPrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
FemaleGender (as listed)
Washington UniversityGroup practice (+1 more)

Quick answers

Where does Madelyn M. Tegerdine see patients?
Medicare's clinician data lists 3 practice locations, including O Fallon, MO and Saint Louis, MO. Call before your visit to confirm the address.
What is Madelyn M. Tegerdine's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Madelyn M. Tegerdine accept Medicare assignment?
Yes. Medicare's clinician data says Madelyn M. Tegerdine accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Madelyn M. Tegerdine?
(314) 514-3500, as listed in official Medicare / NPI Registry data.
What is Madelyn M. Tegerdine's NPI number?
1255081667. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Madelyn M. Tegerdine is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Madelyn M. Tegerdine as a member of these groups (CMS data updated 2026-10-02).

  • Washington University3,029 clinicians in the group
  • Arnold Physical Therapy and Sports Medicine LLC83 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Missouri →

Other physician assistants in O Fallon

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

All physician assistants in O Fallon →

Clinician information

CredentialPA
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255081667
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 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians