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Occupational Therapist in Private Practice

Mary S. Stoliker-Diaz, OT

Sees patients in Ventura, CA · California

Summary

Mary S. Stoliker-Diaz, OT is an occupational therapist at 3525 Loma Vista Rd, Suite C, Ventura, CA 93003. Phone: (805) 652-6955. Accepts Medicare assignment. In 2024, Mary S. Stoliker-Diaz had 125 Original Medicare patients and 3,519 services. NPI 1619051935. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Occupational therapist (Medicare lists Occupational Therapist in Private Practice)
  • Address: 3525 Loma Vista Rd, Suite C, Ventura, CA 93003 · Directions
  • Phone: (805) 652‑6955
  • Medicare: Accepts Medicare assignment
  • Group practice: Ventura Orthopedics Medical Group Inc
  • School: graduated 1986
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mary S. Stoliker-Diaz, 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 Mary S. Stoliker-Diaz accept Medicare assignment?
Yes. Medicare's clinician data says Mary S. Stoliker-Diaz 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 Mary S. Stoliker-Diaz see?
In 2024, CMS data shows 125 Original Medicare patients and 3,519 services for Mary S. Stoliker-Diaz. This counts Original Medicare only and measures volume, not quality.
What is Mary S. Stoliker-Diaz's NPI number?
1619051935. 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 Mary S. Stoliker-Diaz, 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 patients125
Services billed to Medicare3,519
Different services or procedures15
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Therapy procedure using functional activities (97530)1,727 services
  2. Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care (G0283)392 services
  3. Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)320 services
  4. Therapy procedure using manual technique, each 15 minutes (97140)311 services
  5. Application of ultrasound, each 15 minutes (97035)281 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 cholesterol75%
  • Arthritis70%
  • High blood pressure67%
  • Depression26%
  • Anxiety26%
  • Ischemic heart disease23%

Practice locations

Addresses where Mary S. Stoliker-Diaz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mary S. Stoliker-Diaz as a member of this group (CMS data updated October 2, 2026).

  • Ventura Orthopedics Medical Group Inc72 clinicians in the group

Specialties

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

Other occupational therapists in Ventura

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

All occupational therapists in Ventura →

Other clinicians in Ventura Orthopedics Medical Group Inc

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

Clinician information

CredentialOT
Graduation year1986
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619051935
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians