NPI age
13 years
Enumerated 2012-11-29
● Active
Type 1 · Individual
DR. Sean K O'Brien, PHARMD, MPH, BCPS
O'Brien is 1 of 51 pharmacist providers in Fort Sam Houston and 1 of 18509 in Texas.
Primary specialty
Pharmacist
Plus 1 subspecialty
Licensed in
MA, TX
2 states
Status
Active
No deactivations on record
Last NPPES update
2023-10-10
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 18509 active pharmacist providers in Texas.
NPI age
13 years
↑ 6 yr above median (7 yr)
State licenses
2 states
Top 94% — 5% of peers are multi-state
Subspecialties
0
7% of peers hold subspecialties
NPI lifetime · 2012 → 2026
2012-11Enumerated in NPPES
2012
2026
Where they practice
Practice location
3551 Roger Brooke Dr
Fort Sam Houston, TX 782344504
Mailing address
3551 Roger Brooke Dr
Fort Sam Houston, TX 782344504
Specialties
-
Pharmacist PrimaryAn individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation,...
Practice context
Part of a multi-provider practice. 1394 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 →
- 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.