NPI age
19 years
Enumerated 2007-01-09
● Active
Type 1 · Individual
DR. David Lawrence Falkstein, PH.D.
Falkstein is 1 of 11 psychologist providers in Allen and 1 of 2632 in Texas.
Primary specialty
Psychologist
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2017-08-24
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
19 years
↑ 6 yr above median (13 yr)
State licenses
1 state
4% of peers hold multiple states
Subspecialties
1
In the 24% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-01Enumerated in NPPES
2007
2026
Where they practice
Practice location
204 W McDermott Dr Ste A
Allen, TX 750138058
Mailing address
Po Box 502
Allen, TX 750130010
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,...
-
PsychologistA psychologist whose specialty is concerned with the science and practice of psychology with children, youth, families; learners of all ages; and the schooling process. The basic education and training of school psychologists prepares...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 031582201 |
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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