Registry record
- NPI
- 1801553250
- Profession
- Nurse Practitioner (NP)
- Specialty
- Family Nurse Practitioner (363LF0000X)
- Practice address
- 1605 Fort Davis Highway
Alpine, TX 79830 - Phone
- 4328374555
- In the registry since
- November 19, 2021
- Last NPPES update
- November 19, 2021
- Sole proprietor
- No
- License
- 1056981 (TX)
At this location
This location lists no other NP or PA providers in our current data.
In context
The NPI number of William Mason is 1801553250. They are a Family Nurse Practitioner in Alpine, Texas.
William Mason is one of 6 Family Nurse Practitioners in Alpine and one of 22,499 across Texas in our data.
The NPI has been in the federal registry for 4 years, since November 19, 2021.
Frequently asked questions
What is NPI 1801553250?
NPI 1801553250 is the 10-digit National Provider Identifier assigned to William Mason, a Family Nurse Practitioner practicing in Alpine, Texas. The record has been in the NPPES registry since November 19, 2021.
How do I verify this provider?
Cross-check NPI 1801553250 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 1056981 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 November 19, 2021. 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.