Registry record
- NPI
- 1881446631
- Profession
- Nurse Practitioner (NP)
- Specialty
- Family Nurse Practitioner (363LF0000X)
- Practice address
- 151 Stagecoach Trl Ste 105
San Marcos, TX 78666 - Phone
- 7372131271
- In the registry since
- April 4, 2024
- Last NPPES update
- May 14, 2026
- Sole proprietor
- Yes
- License
- 1156416 (TX)
At this location
This location lists no other NP or PA providers in our current data.
In context
The NPI number of Billie Corwin is 1881446631. They are a Family Nurse Practitioner in San Marcos, Texas.
Billie Corwin is one of 63 Family Nurse Practitioners in San Marcos and one of 22,499 across Texas in our data.
The NPI has been in the federal registry for 2 years, since April 4, 2024.
Frequently asked questions
What is NPI 1881446631?
NPI 1881446631 is the 10-digit National Provider Identifier assigned to Billie Corwin, a Family Nurse Practitioner practicing in San Marcos, Texas. The record has been in the NPPES registry since April 4, 2024.
How do I verify this provider?
Cross-check NPI 1881446631 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 1156416 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 May 14, 2026. 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.