NPI age
19 years
Enumerated 2007-04-12
● Active
Type 1 · Individual
DR. Alvin David Farmer JR., PHD
Farmer is 1 of 394 psychologist providers in Dallas and 1 of 3401 in Texas.
Primary specialty
Psychologist
Plus 3 subspecialties
Licensed in
TX, IL
2 states
Status
Active
No deactivations on record
Last NPPES update
2024-08-16
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 3401 active psychologist providers in Texas.
NPI age
19 years
↑ 4 yr above median (15 yr)
State licenses
2 states
Top 92% — 7% of peers are multi-state
Subspecialties
2
In the 26% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-04Enumerated in NPPES
2007
2026
Where they practice
Practice location
3120 N Haskell Ave
Dallas, TX 752041510
Mailing address
1747 W Roosevelt Rd
Chicago, IL 606081264
Additional practice locations
1 secondary location on file with NPPES.
Location 2
1747 W Roosevelt Rd
Chicago, IL 606081264
Specialties
-
Psychologist PrimaryA 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...
-
PsychologistA 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 develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical...
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
Recently enumerated nearby: 3 new psychologist providers have been added in Dallas 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.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.