Registry record
- NPI
- 1912872672
- Profession
- Nurse Practitioner (NP)
- Specialty
- Psychiatric/Mental Health Nurse Practitioner (363LP0808X)
- Practice address
- 230 Deer Ridge Dr
Round Rock, TX 78681 - Phone
- 5127661400
- In the registry since
- October 10, 2025
- Last NPPES update
- May 13, 2026
- Sole proprietor
- Yes
- License
- 1215352 (TX)
At this location
One other provider in our data lists 230 Deer Ridge Dr, Round Rock as a practice address:
- Myrna Crystal Villalba, APRN-CNP
Family Nurse Practitioner · NPI 1932851375
In context
The NPI number of Olga McMahan is 1912872672. They are a Psychiatric/Mental Health Nurse Practitioner in Round Rock, Texas.
Olga McMahan is one of 53 Psychiatric/Mental Health Nurse Practitioners in Round Rock and one of 4,351 across Texas in our data. Round Rock ranks #15 among Texas cities in our dataset, with 530 NP and PA providers.
Frequently asked questions
What is NPI 1912872672?
NPI 1912872672 is the 10-digit National Provider Identifier assigned to Olga McMahan, a Psychiatric/Mental Health Nurse Practitioner practicing in Round Rock, Texas. The record has been in the NPPES registry since October 10, 2025.
How do I verify this provider?
Cross-check NPI 1912872672 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 1215352 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 13, 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.