Registry record
- NPI
- 1851406326
- Profession
- Nurse Practitioner (NP)
- Specialty
- Nurse Practitioner (363L00000X)
- Practice address
- 700 Olympic Plaza, Suite 904
Tyler, TX 75701 - Phone
- 9035356092
- In the registry since
- August 21, 2006
- Last NPPES update
- July 8, 2007
- Sole proprietor
- No
- License
- 667959 (TX)
At this location
This location lists no other NP or PA providers in our current data.
In context
The NPI number of Helen Cassel is 1851406326. They are a Nurse Practitioner in Tyler, Texas.
Helen Cassel is one of 201 Nurse Practitioners in Tyler and one of 6,739 across Texas in our data. Tyler ranks #11 among Texas cities in our dataset, with 607 NP and PA providers.
The NPI has been in the federal registry for 19 years, since August 21, 2006.
Frequently asked questions
What is NPI 1851406326?
NPI 1851406326 is the 10-digit National Provider Identifier assigned to Helen Cassel, a Nurse Practitioner practicing in Tyler, Texas. The record has been in the NPPES registry since August 21, 2006.
How do I verify this provider?
Cross-check NPI 1851406326 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 667959 with the TX licensing board. You can also run the number through our free NPI validator to confirm its checksum.
Is this information current?
This profile reflects the June 2026 NPPES data file. NPPES lists the record's last update as July 8, 2007. We refresh our data each month when CMS publishes a new file.
Data: NPPES public registry, June 2026 file. Not medical advice. Verify independently before care or credentialing decisions. Errors in the source record can be corrected at nppes.cms.hhs.gov; see our corrections page.