Registry record
- NPI
- 1831801141
- Profession
- Nurse Practitioner (NP)
- Specialty
- Family Nurse Practitioner (363LF0000X)
- Practice address
- 1400 George Dieter Dr Ste 210
El Paso, TX 79936 - Phone
- 9158567040
- In the registry since
- December 19, 2022
- Last NPPES update
- May 11, 2026
- Sole proprietor
- No
- License
- 1102072 (TX)
At this location
One other provider in our data lists 1400 George Dieter Dr Ste 210, El Paso as a practice address:
- Carlos Hardy, FNP-C
Family Nurse Practitioner · NPI 1972461564
In context
The NPI number of Maria Guillen is 1831801141. They are a Family Nurse Practitioner in El Paso, Texas.
Maria Guillen is one of 641 Family Nurse Practitioners in El Paso and one of 22,499 across Texas in our data. El Paso ranks #6 among Texas cities in our dataset, with 1,418 NP and PA providers.
The NPI has been in the federal registry for 3 years, since December 19, 2022.
Frequently asked questions
What is NPI 1831801141?
NPI 1831801141 is the 10-digit National Provider Identifier assigned to Maria Guillen, a Family Nurse Practitioner practicing in El Paso, Texas. The record has been in the NPPES registry since December 19, 2022.
How do I verify this provider?
Cross-check NPI 1831801141 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 1102072 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 11, 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.