P Praxis·MD
● Active Type 1 · Individual

MS. Gisele M. Thissen, FNP

Nurse Practitioner·Montgomery, TX· NPI 1780939066 · Enumerated 2012 · 13 years on NPI
Thissen is 1 of 3 nurse practitioner providers in Montgomery and 1 of 5264 in Texas.
NPI age
13 years
Enumerated 2012-07-23
Primary specialty
Nurse Practitioner
Plus 2 subspecialties
Licensed in
CA, TX
2 states
Status
Active
No deactivations on record
Last NPPES update
2026-01-15
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file

How this provider compares

Across 5264 active nurse practitioner providers in Texas.

NPI age
13 years
↑ 5 yr above median (8 yr)
State licenses
2 states
Top 93% — 6% of peers are multi-state
Subspecialties
2
In the 37% of peers with subspecialties

NPI lifetime · 2012 → 2026

2012-07Enumerated in NPPES
2012 2026

Where they practice

Practice location
2300 Woodforest Pkwy N Ste 250-220
Montgomery, TX 773166501
📞 7133389474fax 7133489474
Mailing address
2300 Woodforest Pkwy N Ste 250-220
Montgomery, TX 773166501
📞 7133389474fax 7133489474

Additional practice locations

28 secondary locations on file with NPPES.

Location 2
2004 Ford Pkwy
Saint Paul, MN 551161931
📞 8887318894
Location 3
325 N Saint Paul St Ste 3100
Dallas, TX 752013923
📞 8887318994
Location 4
400 S 4th St Ste 500
Las Vegas, NV 891016207
📞 8887318994
Location 5
195 Page Mill Rd Ste 103
Palo Alto, CA 943062073
📞 8887318994
Location 6
4254 W Orchid Ln
Chandler, AZ 852267246
📞 8887318994
Location 7
450 Alaskan Way S Ste 200
Seattle, WA 981042785
📞 8887318994
Location 8
100 Pearl St Fl 14
Hartford, CT 061034500
📞 8887318994
Location 9
900 Old Roswell Lakes Pkwy Ste 310
Roswell, GA 300768667
📞 8887318994
Location 10
1050 Sw 6th Ave Ste 1100
Portland, OR 972041153
📞 8887318994
Location 11
121 Washington Ave N Fl 2
Minneapolis, MN 554011619
📞 8887318994
Location 12
312 S 4th St Ste 700
Louisville, KY 402023046
📞 8887318994
Location 13
999 18th St Ste 3000
Denver, CO 802022449
📞 8887318994
Location 14
5600 N May Ave Ste 310
Oklahoma City, OK 731124291
📞 8887318994
Location 15
1531 32nd Ave S Ste 102
Fargo, ND 581035911
📞 8887318994
Location 16
1603 Capitol Ave Ste 413
Cheyenne, WY 820014562
📞 8887318994
Location 17
111 N Orange Ave Ste 800
Orlando, FL 328012381
📞 8887318994
Location 18
700 Main St Ste 3
Bangor, ME 044016800
📞 8887318994
Location 19
101 S Reid St Ste 307
Sioux Falls, SD 571037045
📞 8887318994
Location 20
222 2nd Ave S Fl 17
Nashville, TN 372012366
📞 8887318994
Location 21
3010 Santa Fe Ct Fl 1
Missoula, MT 598081730
📞 8887318994
Location 22
950 W Bannock St Ste 1100
Boise, ID 837026140
📞 8887318994
Location 23
801 E Douglas Ave Fl 2
Wichita, KS 672023548
📞 8887318994
Location 24
400 Renaissance Ctr Ste 2600
Detroit, MI 482431599
📞 8887318994
Location 25
1299 Farnam St Ste 300
Omaha, NE 681021857
📞 8887318994
Location 26
100 Cambridge St Fl 14
Boston, MA 021142509
📞 8887318994
Location 27
1 Gateway Ctr Ste 2600
Newark, NJ 071025323
📞 8887318994
Location 28
21 E State St Ofc 233
Columbus, OH 432154281
📞 8887318994
Location 29
10 Dorrance St Ste 700
Providence, RI 029032014
📞 8887318994

Specialties

  • Nurse Practitioner Primary
    (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...
    CA license #21989 taxonomy 363L00000X
  • Clinical Nurse Specialist
    Definition to come...
    CA license #21989 taxonomy 364SC1501X
  • Nurse Practitioner
    Definition to come...
    TX license #1022075 taxonomy 363LF0000X

Practice context

Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.

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How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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