NPI age
13 years
Enumerated 2013-04-04
● Active
Type 1 · Individual
MR. Grant Jeffery Gainsley, FNP-BC
Gainsley is 1 of 12 nurse practitioner providers in Jbsa Ft Sam Houston and 1 of 22123 in Texas.
Primary specialty
Nurse Practitioner
Licensed in
HI
1 state
Status
Active
No deactivations on record
Last NPPES update
2021-07-09
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 22123 active nurse practitioner providers in Texas.
NPI age
13 years
↑ 6 yr above median (7 yr)
State licenses
1 state
5% of peers hold multiple states
Subspecialties
0
23% of peers hold subspecialties
NPI lifetime · 2013 → 2026
2013-04Enumerated in NPPES
2013
2026
Where they practice
Practice location
3551 Roger Brooke Dr
Jbsa Ft Sam Houston, TX 782344504
Mailing address
Brooke Army Medical Center, 3551 Roger Brooke Dr
Jbsa Fort Sam Houston, TX 782344504
Specialties
-
Nurse Practitioner PrimaryDefinition to come...
Practice context
Part of a multi-provider practice. 623 other active providers share this practice address in NPPES.
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Request a quote →How to verify this provider
- 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.