Stephanie Youldassis, DPT
NPI 1538713714 · Physical Therapist · Ventura, CA
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Youldassis, DPT is a Physical Therapist provider in Ventura, CA (NPI 1538713714).
Provider details
- NPI number
- 1538713714
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- DPT
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,074 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Therapy Procedure Using Functional Activities97530 | 1,879 | $31 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 94 | $26 |
| Evaluation for Physical Therapy, Typically 20 Minutes97161 | 52 | $108 |
| Electrical Stimulation (unattended), to One Or More Areas for Indication(s) Other Than Wound Care, As Part of a Therapy Plan of CareG0283 | 35 | $9 |
| Evaluation for Physical Therapy, Typically 30 Minutes97162 | 14 | $108 |
Typical Medicare-allowed amounts for these services range $9–$108 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-07-26
- Last updated
- 2021-12-03
- Certified
- 2021-12-03
Frequently asked questions
- What is Stephanie Youldassis's NPI number?
- Stephanie Youldassis's National Provider Identifier (NPI) is 1538713714, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Youldassis's specialty?
- Stephanie Youldassis is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Stephanie Youldassis located?
- Stephanie Youldassis's practice location on file with NPPES is 3525 Loma Vista Rd Ste C, Ventura, CA 93003-3165.
- What is Stephanie Youldassis's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Youldassis is (805) 652-6955.
- Does Stephanie Youldassis accept Medicare?
- Stephanie Youldassis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Youldassis's NPI active?
- Yes — Stephanie Youldassis's NPI (1538713714) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.