NPI age
19 years
Enumerated 2006-12-11
● Active
Type 1 · Individual
MRS. Martha Wallace Castillo, R.PH.
Castillo is 1 of 517 pharmacist providers in El Paso and 1 of 18509 in Texas.
Primary specialty
Pharmacist
Plus 1 subspecialty
Licensed in
NM, TX
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-09-11
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 18509 active pharmacist providers in Texas.
NPI age
19 years
↑ 12 yr above median (7 yr)
State licenses
2 states
Top 94% — 5% of peers are multi-state
Subspecialties
1
In the 7% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-12Enumerated in NPPES
2006
2026
Where they practice
Practice location
1901 Grandview Ave
El Paso, TX 799025113
Mailing address
1494 Via Appia St
El Paso, TX 799126611
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,...
-
PharmacistA licensed pharmacist who has demonstrated specialized knowledge and skill in developing, recommending, implementing, monitoring, and modifying pharmacotherapeutic plans to optimize outcomes in patients with malignant diseases.
Practice context
Part of a multi-provider practice. 14 other active providers share this practice address in NPPES.
Recently enumerated nearby: 25 new pharmacist providers have been added in El Paso in the last 180 days.
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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.