NPI age
18 years
Enumerated 2007-08-09
● Active
Type 1 · Individual
DR. John Michael Sell, PH.D.
Sell is 1 of 6 psychologist providers in Allen and 1 of 652 in Texas.
Primary specialty
Psychologist
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2007-08-09
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 652 active psychologist providers in Texas.
NPI age
18 years
↑ 7 yr above median (11 yr)
State licenses
1 state
2% of peers hold multiple states
Subspecialties
0
19% of peers hold subspecialties
NPI lifetime · 2007 → 2026
2007-08Enumerated in NPPES
2007
2026
Where they practice
Practice location
909 Bandera Ct
Allen, TX 750131135
Mailing address
909 Bandera Ct
Allen, TX 750131135
Specialties
-
Psychologist PrimaryA 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...
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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