NPI age
7 years
Enumerated 2018-06-03
● Active
Type 1 · Individual
DR. Charles Gabriel Hallmark
Hallmark is 1 of 9 psychologist providers in Spring and 1 of 2632 in Texas.
Primary specialty
Psychologist
Plus 3 subspecialties
Licensed in
—
0 states
Status
Active
No deactivations on record
Last NPPES update
2018-06-03
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
3
In the 24% of peers with subspecialties
NPI lifetime · 2018 → 2026
2018-06Enumerated in NPPES
2018
2026
Where they practice
Practice location
26010 Oak Ridge Dr Ste 107
Spring, TX 773801972
Mailing address
1660 W T C Jester Blvd Apt 211
Houston, TX 770083263
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 who specializes in general practice and health service. It focuses on how people function both personally and in their relationships at all ages. Counseling psychology addresses the emotional, social, work, school and...
-
PsychologistA psychologist who reflects an experimental-clinical approach distinguished by use of principles of human learning and development and theories of cognitive processing to promote meaningful change in maladaptive human behavior and thinking.
-
PsychologistDefinition to come...
Practice context
Part of a multi-provider practice. 2 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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