Registry record
- NPI
- 1669658605
- Profession
- Nurse Practitioner (NP)
- Specialty
- Psychiatric/Mental Health Nurse Practitioner (363LP0808X)
- Practice address
- 3625 Manchaca Rd, #303
Austin, TX 78704 - Phone
- 5123287222
- In the registry since
- January 19, 2008
- Last NPPES update
- June 3, 2019
- Sole proprietor
- No
- License
- 513149 (TX)
At this location
This location lists no other NP or PA providers in our current data.
In context
The NPI number of Mary-Jane Warren is 1669658605. They are a Psychiatric/Mental Health Nurse Practitioner in Austin, Texas.
Mary-Jane Warren is one of 310 Psychiatric/Mental Health Nurse Practitioners in Austin and one of 4,351 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 18 years, since January 19, 2008.
Frequently asked questions
What is NPI 1669658605?
NPI 1669658605 is the 10-digit National Provider Identifier assigned to Mary-Jane Warren, a Psychiatric/Mental Health Nurse Practitioner practicing in Austin, Texas. The record has been in the NPPES registry since January 19, 2008.
How do I verify this provider?
Cross-check NPI 1669658605 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 513149 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 June 3, 2019. 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.