Marsha Trietsch, COTA
Marsha Trietsch, COTA is a Physical Rehabilitation Occupational Therapist in Grand Prairie, TX, registered under NPI 1003395336.
Getting there
Here is what surrounds this office in Grand Prairie, based on OpenStreetMap data collected Sep 23, 2026. Parking is available about 0.34 mi away. A pharmacy sits 0.25 mi from the entrance (CVS Pharmacy), which helps if you leave with a prescription.
Getting here and what is nearby
Restaurant Schlotzsky's 262 ft ~1 min
Restaurant Taco Bell 916 ft ~4 min
728 East Main Street, Grand Prairie 75050
Mo-Th 08:00-02:00; Fr-Sa 08:00-03:00; Su 08:00-02:00
Restaurant McDonald's 0.21 mi ~5 min
Pharmacy CVS Pharmacy 0.25 mi ~5 min
Hotel Howard Johnson's 0.26 mi ~6 min
Parking Topline Warehouse Store Parking 0.28 mi ~6 min
Gas station Chevron 0.30 mi ~7 min
Parking 0.34 mi ~7 min
Parking 0.34 mi ~7 min
Convenience RaceTrac 0.45 mi ~9 min
Convenience FastFuels 0.45 mi ~10 min
Gas station RaceTrac 0.45 mi ~9 min
Gas station Texaco 0.45 mi ~9 min
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| 206458 | TX | Physical Rehabilitation Occupational… primary |
This provider holds licence 206458 issued in TX. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What Physical Rehabilitation covers
Occupational therapists are experts at helping people lead as independent a life as possible. Occupational therapists bring an understanding of the physical and psychological implications of illness and injury and their effects on peoples' ability to perform the tasks of daily living. Occupational therapists provide interventions that can aide a person in completing ADL and IADL tasks, such as dressing, bathing, preparing meals, and driving. They also may fabricate custom orthotics to improve function, evaluate the environment for safety hazards and recommend adaptations to remove those hazards, help a person compensate for cognitive changes, and build a persons' physical endurance and strength. Occupational therapists' knowledge of adapting tasks and modifying the environment to compensate for functional limitations is used to increase the involvement of clients and to promote safety and success. NUCC Health Care Provider Taxonomy, code 225XP0019X
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1003395336 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Aug 8, 2018 |
| Last updated | Aug 8, 2018 |
| Status | Active |
| Sole proprietor | No |
| Gender | Female |
| Credential | COTA |
| Practice address |
820 SMALL ST Grand Prairie, TX 75050 (972) 262-1351 |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 0 | 0 | 3 | 3 | 9 | 5 | 3 | 3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 6 | 9 | 1 | 3 | 6 |
Sum = 54 · next multiple of 10 = 60 · check digit = 6 · actual last digit = 6
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.