NPI age
15 years
Enumerated 2010-08-18
● Active
Type 1 · Individual
Ralph Eugene Grinnell JR., APRN, FNP-BC
Grinnell is 1 of 1395 nurse practitioner providers in San Antonio and 1 of 22123 in Texas.
Primary specialty
Nurse Practitioner
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2015-10-13
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
15 years
↑ 8 yr above median (7 yr)
State licenses
1 state
5% of peers hold multiple states
Subspecialties
0
23% of peers hold subspecialties
NPI lifetime · 2010 → 2026
2010-08Enumerated in NPPES
2010
2026
Where they practice
Practice location
5107 Medical Dr
San Antonio, TX 782294801
Mailing address
P.o. Box 87
San Antonio, TX 78291
Specialties
-
Nurse Practitioner PrimaryDefinition to come...
Practice context
Part of a multi-provider practice. 41 other active providers share this practice address in NPPES.
Recently enumerated nearby: 31 new nurse practitioner providers have been added in San Antonio in the last 180 days.
See all →
Provyx · Custom healthcare lists
Need all 22123 Nurse Practitioner providers in Texas?
Provyx verifies the list to your scope. Business emails and direct lines are looked up at delivery, validated, and not stored.
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.