Registry record
- NPI
- 1598782419
- Profession
- Nurse Practitioner (NP)
- Specialty
- Psychiatric/Mental Health Nurse Practitioner (363LP0808X)
- Practice address
- 608 Gateway Central
Marble Falls, TX 78654 - Phone
- 8306932600
- In the registry since
- July 16, 2006
- Last NPPES update
- June 4, 2026
- Sole proprietor
- No
- License
- AP107359 (TX)
At this location
One other provider in our data lists 608 Gateway Central, Marble Falls as a practice address:
- Mrs. Debra Lynn Smith, PHYSICIAN ASSISTANT
Physician Assistant · NPI 1790838266
In context
The NPI number of Joanna Guenther is 1598782419. They are a Psychiatric/Mental Health Nurse Practitioner in Marble Falls, Texas.
Joanna Guenther is the only Psychiatric/Mental Health Nurse Practitioner in Marble Falls in our data, and one of 4,351 across Texas.
The NPI has been in the federal registry for 19 years, since July 16, 2006.
Frequently asked questions
What is NPI 1598782419?
NPI 1598782419 is the 10-digit National Provider Identifier assigned to Joanna Guenther, a Psychiatric/Mental Health Nurse Practitioner practicing in Marble Falls, Texas. The record has been in the NPPES registry since July 16, 2006.
How do I verify this provider?
Cross-check NPI 1598782419 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license AP107359 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 4, 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.