MS. MARY SUSAN STOLIKER-DIAZ (OTR/L, CHT) – Hand Occupational Therapist, NPI 1619051935

MS. MARY SUSAN STOLIKER-DIAZ (OTR/L, CHT) is a healthcare provider. based in Ventura, California. specializing in OCCUPATIONAL THERAPIST IN PRIVATE PRACTICE. They hold the professional credentials OTR/L, CHT. They hold a License No. OT2135 (CA). The NPI Number for MS. MARY SUSAN STOLIKER-DIAZ (OTR/L, CHT) is 1619051935

Main info

Female
40 Years Of Experience
Accepts Medicare Assignment
Name
MS. MARY SUSAN STOLIKER-DIAZ (OTR/L, CHT)
NPI
1619051935
Phone
(805) 804-4168
Address
5720 RALSTON ST STE 200
Enumeration Date
24 October 2006
Last Update Date
12 February 2026

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8056526955
Graduation Year
1986 (40 years ago)
PAC ID
1355325663
Group Practice PAC ID
2062312911
Professional Enrollment ID
I20040721001684
Address ID
CA930033165VE3525XRDXX403

Contacts

Main Contact
https://venturaortho.com/
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness95
Years active:19State licenses:1Other names

1,224 OCCUPATIONAL THERAPIST IN PRIVATE PRACTICE in CA

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Provider Addresses for MS. MARY SUSAN STOLIKER-DIAZ (OTR/L, CHT)

  • Ralston Street, Winchester Homes, Ventura, Ventura County, California, 93009, United States

    VENTURA, CA 930037844

    Phone: (805) 804-4168

    Fax: (805) 830-1177

    Type: Mailing

  • 1203 FLYNN RD UNIT 160

    CAMARILLO, CA 930126203

    Phone: (805) 804-4168

    Fax: (805) 830-1177

    Type: Mailing

  • 3525, Loma Vista Road, Ventura, Ventura County, California, 93003, United States

    VENTURA, CA 930033165

    Phone: (805) 652-6955

    Fax: (805) 652-6959

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-07-21

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040721001684IOccupational Therapist In Private PracticeCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
97530Therapy procedure using functional activities1,631101$0
97035Application of ultrasound, each 15 minutes33767$0
G0283Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care33746$0
97110Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes21027$0
97140Therapy procedure using manual technique, each 15 minutes17022$0
View full utilization report →

Insurance plans in this area (ZIP 93003)

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Provider's Procedures

MS. MARY SUSAN STOLIKER-DIAZ (OTR/L, CHT) performs procedures in OCCUPATIONAL THERAPIST IN PRIVATE PRACTICE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OCCUPATIONAL THERAPYCA97140Manual (physical) therapy techniques to 1 or more regions, each 15 minutes83176

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 2062312911View full group profile
NameSpecialtyState
-CA
Physical Therapist In Private PracticeCA
Occupational Therapist In Private PracticeCA
-CA
Physical Therapist In Private PracticeCA
Physical Therapist In Private PracticeCA
-CA
Sports Medicine, Orthopedic SurgeryCA
Physical Therapist In Private PracticeCA
Physical Therapist In Private PracticeCA

Reviews

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Frequently asked questions

Does MS. MARY SUSAN STOLIKER-DIAZ (OTR/L, CHT) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — MS. MARY SUSAN STOLIKER-DIAZ (OTR/L, CHT) uses 1619051935.
Does CMS list MS. MARY SUSAN STOLIKER-DIAZ (OTR/L, CHT) as active?
Yes — MS. MARY SUSAN STOLIKER-DIAZ (OTR/L, CHT) is active in the NPI listing used on this page.
What is MS. MARY SUSAN STOLIKER-DIAZ (OTR/L, CHT) best known for clinically?
Directory data describes MS. MARY SUSAN STOLIKER-DIAZ (OTR/L, CHT) with Hand Occupational Therapist. Clinical services aligned with this taxonomy classification.
Where is MS. MARY SUSAN STOLIKER-DIAZ (OTR/L, CHT) based?
MS. MARY SUSAN STOLIKER-DIAZ (OTR/L, CHT) is tied to Ventura, California in the data we show; additional addresses may exist on the full record.
Is the information about MS. MARY SUSAN STOLIKER-DIAZ (OTR/L, CHT) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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