NPI age
19 years
Enumerated 2007-01-02
● Active
Type 1 · Individual
DR. Derrick Akira Hamaoka, M.D.
Hamaoka is 1 of 1 psychiatry & neurology providers in Ft. Sam Houston and 1 of 4391 in Texas.
Primary specialty
Psychiatry & Neurology
Licensed in
VA
1 state
Status
Active
No deactivations on record
Last NPPES update
2021-10-03
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 4391 active psychiatry & neurology providers in Texas.
NPI age
19 years
↑ 3 yr above median (16 yr)
State licenses
1 state
12% of peers hold multiple states
Subspecialties
0
34% of peers hold subspecialties
NPI lifetime · 2007 → 2026
2007-01Enumerated in NPPES
2007
2026
Where they practice
Practice location
3551 Roger Brooke Dr
Ft. Sam Houston, TX 782349907
Mailing address
3551 Roger Brooke Dr
Ft. Sam Houston, TX 782349907
Specialties
-
Psychiatry & Neurology PrimaryA Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders...
Practice context
Part of a multi-provider practice. 3 other active providers share this practice address in NPPES.
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