NPI Atlas

Ms. Gisele M. Thissen, FNP

Nurse Practitioner in Montgomery, Texas. NPI 1780939066.

NPI1780939066

Registry record

NPI
1780939066
Profession
Nurse Practitioner (NP)
Specialty
Nurse Practitioner (363L00000X)
Practice address
2300 Woodforest Pkwy N Ste 250-220
Montgomery, TX 77316
In the registry since
July 23, 2012
Last NPPES update
January 15, 2026
Sole proprietor
Yes
License
21989 (CA)

At this location

This location lists no other NP or PA providers in our current data.

In context

The NPI number of Gisele Thissen is 1780939066. They are a Nurse Practitioner in Montgomery, Texas.

Gisele Thissen is one of 5 Nurse Practitioners in Montgomery and one of 6,739 across Texas in our data.

The NPI has been in the federal registry for 13 years, since July 23, 2012.

Frequently asked questions

What is NPI 1780939066?

NPI 1780939066 is the 10-digit National Provider Identifier assigned to Gisele Thissen, a Nurse Practitioner practicing in Montgomery, Texas. The record has been in the NPPES registry since July 23, 2012.

How do I verify this provider?

Cross-check NPI 1780939066 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 21989 with the CA 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 January 15, 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.