NPI age
19 years
Enumerated 2006-12-08
● Active
Type 1 · Individual
DR. Edwin L. Gerwell, PH.D.
Gerwell is 1 of 15 psychologist providers in San Antonio and 1 of 205 in Texas.
Primary specialty
Psychologist
Plus 1 subspecialty
Licensed in
NY, TX
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-09-11
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 205 active psychologist providers in Texas.
NPI age
19 years
↑ 15 yr above median (4 yr)
State licenses
2 states
Top 95% — 4% of peers are multi-state
Subspecialties
1
In the 24% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-12Enumerated in NPPES
2006
2026
Where they practice
Practice location
130 Lewis St
San Antonio, TX 782125538
Mailing address
130 Lewis St
San Antonio, TX 782125538
Specialties
-
Psychologist PrimaryA 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...
-
PsychologistA psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a...
Practice context
Part of a multi-provider practice. 4 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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