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Physical Therapist in Private Practice

Stephanie Youldassis, PT

Sees patients in Ventura, CA · California

Summary

Stephanie Youldassis, PT (Physical Therapist in Private Practice) is enrolled with Medicare at 1 practice location in Ventura, CA. NPI 1538713714. 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 Stephanie Youldassis, 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

Physical Therapist in Private PracticePrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
FemaleGender (as listed)
Williams Physical Therapy, IncGroup practice

Quick answers

Where does Stephanie Youldassis see patients?
Medicare's clinician data lists 1 practice location in Ventura, CA. Call before your visit to confirm the address.
What is Stephanie Youldassis's specialty?
Medicare lists Physical Therapist in Private Practice as the primary specialty.
Does Stephanie Youldassis accept Medicare assignment?
Yes. Medicare's clinician data says Stephanie Youldassis 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 Stephanie Youldassis?
(805) 672-2801, as listed in official Medicare / NPI Registry data.
What is Stephanie Youldassis's NPI number?
1538713714. 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 Stephanie Youldassis is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Stephanie Youldassis as a member of this group (CMS data updated 2026-10-02).

  • Williams Physical Therapy, Inc3 clinicians in the group

Specialties

Find other clinicians: Physical Therapist in Private Practice, California →

Other physical therapists in Ventura

Clinicians with the same Medicare primary specialty in Ventura, CA — not a recommendation.

All physical therapists in Ventura →

Clinician information

CredentialPT
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538713714
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