Mary Stoliker-Diaz, OTR/L, CHT
NPI 1619051935 · Hand Occupational Therapist · Ventura, CA
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Stoliker-Diaz, OTR/L, CHT is a Hand Occupational Therapist provider in Ventura, CA (NPI 1619051935).
Provider details
- NPI number
- 1619051935
- Entity type
- Individual
- Primary specialty
- Hand Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L, CHT
- Sex
- Female
- Sole proprietor
- No
- License
- OT2135 (CA)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,435 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 | 1,727 | $32 |
| Electrical Stimulation (unattended), to One Or More Areas for Indication(s) Other Than Wound Care, As Part of a Therapy Plan of CareG0283 | 392 | $9 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 320 | $27 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 311 | $25 |
| Application of Ultrasound, Each 15 Minutes97035 | 281 | $11 |
| Application of Hot Wax Bath97018 | 224 | $4 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-24
- Last updated
- 2026-02-12
- Certified
- 2025-07-14
Frequently asked questions
- What is Mary Stoliker-Diaz's NPI number?
- Mary Stoliker-Diaz's National Provider Identifier (NPI) is 1619051935, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Stoliker-Diaz's specialty?
- Mary Stoliker-Diaz is listed in the NPPES registry with a primary specialty of Hand Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary Stoliker-Diaz located?
- Mary Stoliker-Diaz's practice location on file with NPPES is 3525 Loma Vista Rd Ste C, Ventura, CA 93003-3165.
- What is Mary Stoliker-Diaz's phone number?
- The practice phone number listed in the NPPES registry for Mary Stoliker-Diaz is (805) 652-6955.
- Does Mary Stoliker-Diaz accept Medicare?
- Mary Stoliker-Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Stoliker-Diaz's NPI active?
- Yes — Mary Stoliker-Diaz's NPI (1619051935) is active in the NPPES registry as of the last update on 2026-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.