Registry record
- NPI
- 1235829391
- Profession
- Nurse Practitioner (NP)
- Specialty
- Family Nurse Practitioner (363LF0000X)
- Practice address
- 12201 Renfert Way Ste 250
Austin, TX 78758 - Phone
- 5129942662
- In the registry since
- May 11, 2023
- Last NPPES update
- May 11, 2023
- Sole proprietor
- No
- License
- 1108822 (TX)
At this location
One other provider in our data lists 12201 Renfert Way Ste 250, Austin as a practice address:
- Ms. Lindsay Gail Spring, NP
Women's Health Nurse Practitioner · NPI 1831490440
In context
The NPI number of Mariah Simms is 1235829391. They are a Family Nurse Practitioner in Austin, Texas.
Mariah Simms is one of 934 Family Nurse Practitioners in Austin and one of 22,499 across Texas in our data. Austin ranks #4 among Texas cities in our dataset, with 2,782 NP and PA providers.
The NPI has been in the federal registry for 3 years, since May 11, 2023.
Frequently asked questions
What is NPI 1235829391?
NPI 1235829391 is the 10-digit National Provider Identifier assigned to Mariah Simms, a Family Nurse Practitioner practicing in Austin, Texas. The record has been in the NPPES registry since May 11, 2023.
How do I verify this provider?
Cross-check NPI 1235829391 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 1108822 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, 2023. 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.