NPI age
20 years
Enumerated 2005-10-14
● Active
Type 1 · Individual
James Walter Castillo II, MD
Castillo is 1 of 1 internal medicine providers in Edinburg and 1 of 217 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2019-07-19
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 217 active internal medicine providers in Texas.
NPI age
20 years
↑ 8 yr above median (12 yr)
State licenses
1 state
17% of peers hold multiple states
Subspecialties
0
60% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-10Enumerated in NPPES
2005
2026
Where they practice
Practice location
5501 S McColl Rd
Edinburg, TX 78539
Mailing address
Po Box 749
Pharr, TX 785771614
Additional practice locations
1 secondary location on file with NPPES.
Location 2
2101 Pease St
Harlingen, TX 785508348
Specialties
-
Internal Medicine PrimaryAn internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 177737702 | |
| 05 (TX) | 177737703 |
Practice context
Part of a multi-provider practice. 234 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.