Individual Healthcare Provider
Gisele M. Thissen, FNP
Provider's NPPES record last updated: January 15, 2026
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1780939066
- Primary Specialty
- Nurse Practitioner
- Practice Location
- Montgomery, Texas
- Sole Proprietor
- Yes
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 21, 2026, 1:16 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Nurse Practitioner
Physician Assistants & Advanced Practice Nursing Providers
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Taxonomy code 363L00000X Nurse Practitioner
Family
Physician Assistants & Advanced Practice Nursing Providers
Definition to come...
Taxonomy code 363LF0000XClinical Nurse Specialist
Community Health/Public Health
Physician Assistants & Advanced Practice Nursing Providers
Definition to come...
Taxonomy code 364SC1501X
Provider-Reported License Information
- Nurse Practitioner (California)
- 21989
- Nurse Practitioner (Texas)
- 1022075
- Clinical Nurse Specialist (California)
- 21989
Practice Locations
Practice Location
2300 Woodforest Pkwy N Ste 250-220
Montgomery, Texas 77316-6501
Phone: (713) 338-9474
Additional Practice Location
2004 Ford Pkwy
Saint Paul, Minnesota 55116-1931
Phone: (888) 731-8894
Additional Practice Location
325 N Saint Paul St Ste 3100
Dallas, Texas 75201-3923
Phone: (888) 731-8994
Additional Practice Location
400 S 4th St Ste 500
Las Vegas, Nevada 89101-6207
Phone: (888) 731-8994
Additional Practice Location
195 Page Mill Rd Ste 103
Palo Alto, California 94306-2073
Phone: (888) 731-8994
Additional Practice Location
4254 W Orchid Ln
Chandler, Arizona 85226-7246
Phone: (888) 731-8994
Additional Practice Location
450 Alaskan Way S Ste 200
Seattle, Washington 98104-2785
Phone: (888) 731-8994
Additional Practice Location
100 Pearl St Fl 14
Hartford, Connecticut 06103-4500
Phone: (888) 731-8994
Additional Practice Location
900 Old Roswell Lakes Pkwy Ste 310
Roswell, Georgia 30076-8667
Phone: (888) 731-8994
Additional Practice Location
1050 Sw 6th Ave Ste 1100
Portland, Oregon 97204-1153
Phone: (888) 731-8994
Additional Practice Location
121 Washington Ave N Fl 2
Minneapolis, Minnesota 55401-1619
Phone: (888) 731-8994
Additional Practice Location
312 S 4th St Ste 700
Louisville, Kentucky 40202-3046
Phone: (888) 731-8994
Additional Practice Location
999 18th St Ste 3000
Denver, Colorado 80202-2449
Phone: (888) 731-8994
Additional Practice Location
5600 N May Ave Ste 310
Oklahoma City, Oklahoma 73112-4291
Phone: (888) 731-8994
Additional Practice Location
1531 32nd Ave S Ste 102
Fargo, North Dakota 58103-5911
Phone: (888) 731-8994
Additional Practice Location
1603 Capitol Ave Ste 413
Cheyenne, Wyoming 82001-4562
Phone: (888) 731-8994
Additional Practice Location
111 N Orange Ave Ste 800
Orlando, Florida 32801-2381
Phone: (888) 731-8994
Additional Practice Location
700 Main St Ste 3
Bangor, Maine 04401-6800
Phone: (888) 731-8994
Additional Practice Location
101 S Reid St Ste 307
Sioux Falls, South Dakota 57103-7045
Phone: (888) 731-8994
Additional Practice Location
222 2nd Ave S Fl 17
Nashville, Tennessee 37201-2366
Phone: (888) 731-8994
Additional Practice Location
3010 Santa Fe Ct Fl 1
Missoula, Montana 59808-1730
Phone: (888) 731-8994
Additional Practice Location
950 W Bannock St Ste 1100
Boise, Idaho 83702-6140
Phone: (888) 731-8994
Additional Practice Location
801 E Douglas Ave Fl 2
Wichita, Kansas 67202-3548
Phone: (888) 731-8994
Additional Practice Location
400 Renaissance Ctr Ste 2600
Detroit, Michigan 48243-1599
Phone: (888) 731-8994
Additional Practice Location
1299 Farnam St Ste 300
Omaha, Nebraska 68102-1857
Phone: (888) 731-8994
Additional Practice Location
100 Cambridge St Fl 14
Boston, Massachusetts 02114-2509
Phone: (888) 731-8994
Additional Practice Location
1 Gateway Ctr Ste 2600
Newark, New Jersey 07102-5323
Phone: (888) 731-8994
Additional Practice Location
21 E State St Ofc 233
Columbus, Ohio 43215-4281
Phone: (888) 731-8994
Additional Practice Location
10 Dorrance St Ste 700
Providence, Rhode Island 02903-2014
Phone: (888) 731-8994
Record Information
- Enumeration Date
- July 23, 2012
- Provider's NPPES Record Last Updated
- January 15, 2026
- Certification Date
- January 15, 2026
- NPISignal NPPES Dataset
- August 2026
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