Registry record
- NPI
- 1689174401
- Profession
- Nurse Practitioner (NP)
- Specialty
- Family Nurse Practitioner (363LF0000X)
- Practice address
- 3901 Spicewood Springs Rd Ste 201
Austin, TX 78759 - Phone
- 8433641982
- In the registry since
- February 19, 2018
- Last NPPES update
- February 19, 2018
- Sole proprietor
- No
- License
- 21561 (SC)
At this location
3 other providers in our data list 3901 Spicewood Springs Rd Ste 201, Austin as a practice address:
- Stephanie Poonawala, APRN
Nurse Practitioner · NPI 1285034223
- Erin Ray
Family Nurse Practitioner · NPI 1700376183
- Ms. Chloe Mae Wilson, NP
Acute Care Nurse Practitioner · NPI 1609511989
In context
The NPI number of Mary Arntz is 1689174401. They are a Family Nurse Practitioner in Austin, Texas.
Mary Arntz 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 8 years, since February 19, 2018.
Frequently asked questions
What is NPI 1689174401?
NPI 1689174401 is the 10-digit National Provider Identifier assigned to Mary Arntz, a Family Nurse Practitioner practicing in Austin, Texas. The record has been in the NPPES registry since February 19, 2018.
How do I verify this provider?
Cross-check NPI 1689174401 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 21561 with the SC 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 19, 2018. 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.