Trisha Williams, RRT
Trisha Williams, RRT is a Critical Care Registered Respiratory Therapist in Fort Defiance, AZ, registered under NPI 1902234461. NPPES records them as a sole proprietor, meaning the practice is not incorporated as a separate legal entity.
Getting there
The practice address on file is CORNER OF ROUTE N12 AND N7, Fort Defiance, AZ 86504. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| RTL.0007408 | CO | Critical Care Registered Respiratory… |
| RT17305 | FL | Critical Care Registered Respiratory… primary |
Licences are recorded in 2 states: CO, FL. Providers licensed in several states often practise near a state border or deliver telehealth across state lines.
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.
Licensed in 2 states
This provider holds licences in 2 states: Colorado and Florida. Multi-state licensure often means the provider works near a state border, covers more than one office, or delivers care by telehealth. If the address above is far from you, it is worth calling to ask whether they practise closer to where you live.
- Licence
- RTL.0007408
- Specialty
- Critical Care Registered Respiratory…
Licence numbers are self-reported to NPPES at registration. They do not confirm a licence is currently active, in good standing, or valid for the specialty shown — only the state board can tell you that, which is why we link to each one.
What Critical Care covers
Respiratory emergencies are commonplace in the treatment of critical care patients. Included in the assessment measurements conducted by the respiratory therapist in the critical care settings are arterial blood gas puncture and analysis, intrarterial monitoring, bedside measurements of lung mechanics, hemodynamic monitoring, and inspired and expired gas measurements. This is coupled with the initiation and management of mechanical ventilation patients. NUCC Health Care Provider Taxonomy, code 2279C0205X
All registered taxonomy codes
This provider registers 2 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 2279C0205X | Critical Care Registered Respiratory Therapist Critical Care | RTL.0007408 | CO | |
| 2279C0205X | Critical Care Registered Respiratory Therapist Critical Care | RT17305 | FL | primary |
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 | 1902234461 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Oct 21, 2013 |
| Last updated | Dec 15, 2021 |
| Status | Active |
| Sole proprietor | Yes |
| Gender | Female |
| Credential | RRT |
| Practice address |
CORNER OF ROUTE N12 AND N7 Fort Defiance, AZ 86504 (928) 729-8132 |
| Mailing address |
1568 NW 15TH TER Ft Lauderdale, FL 33311 |
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 | 9 | 0 | 2 | 2 | 3 | 4 | 4 | 6 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 9 | 0 | 2 | 4 | 3 | 8 | 4 | 3 |
Sum = 59 · next multiple of 10 = 60 · check digit = 1 · actual last digit = 1
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.