Registry record
- NPI
- 1841221462
- Profession
- Nurse Practitioner (NP)
- Specialty
- Adult Health Nurse Practitioner (363LA2200X)
- Practice address
- 127 Lone Oak St
Seguin, TX 78155 - Phone
- 3212231086
- In the registry since
- July 5, 2006
- Last NPPES update
- February 22, 2011
- Sole proprietor
- No
- License
- 725676 (TX)
At this location
This location lists no other NP or PA providers in our current data.
In context
The NPI number of Mary Simpson is 1841221462. They are a Adult Health Nurse Practitioner in Seguin, Texas.
Mary Simpson is the only Adult Health Nurse Practitioner in Seguin in our data, and one of 1,584 across Texas.
The NPI has been in the federal registry for 19 years, since July 5, 2006.
Frequently asked questions
What is NPI 1841221462?
NPI 1841221462 is the 10-digit National Provider Identifier assigned to Mary Simpson, a Adult Health Nurse Practitioner practicing in Seguin, Texas. The record has been in the NPPES registry since July 5, 2006.
How do I verify this provider?
Cross-check NPI 1841221462 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 725676 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 February 22, 2011. 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.