NPI age
7 years
Enumerated 2019-01-08
● Active
Type 1 · Individual
DR. Denis T Flanigan, PH.D.
Flanigan is 1 of 426 psychologist providers in Houston and 1 of 2632 in Texas.
Primary specialty
Psychologist
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2019-01-08
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 2632 active psychologist providers in Texas.
NPI age
7 years
↓ 6 yr below median (13 yr)
State licenses
1 state
4% of peers hold multiple states
Subspecialties
0
24% of peers hold subspecialties
NPI lifetime · 2019 → 2026
2019-01Enumerated in NPPES
2019
2026
Where they practice
Practice location
2211 Norfolk St Ste 206
Houston, TX 770984030
Mailing address
2211 Norfolk St Ste 206
Houston, TX 770984030
Specialties
-
Psychologist PrimaryA psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | 33415 | TEXAS STATE BOARD OF EXAMINERS OF PSYCHOLOGISTS |
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
Recently enumerated nearby: 8 new psychologist providers have been added in Houston in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
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