NPI age
20 years
Enumerated 2006-05-23
● Active
Type 1 · Individual
Ruben D Abreu, M.D.
Abreu is 1 of 23 internal medicine providers in McAllen and 1 of 2301 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2014-05-27
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 2301 active internal medicine providers in Texas.
NPI age
20 years
≈ at median (19 yr)
State licenses
1 state
11% of peers hold multiple states
Subspecialties
0
37% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-05Enumerated in NPPES
2006
2026
Where they practice
Practice location
4316 N McColl Rd
McAllen, TX 785042477
Mailing address
Po Box 4882
Houston, TX 772104882
Specialties
-
Internal Medicine PrimaryAn internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | P01251161 | RAILROAD MEDICARE |
| 05 (TX) | 044974602 | |
| 05 (TX) | 044974604 | |
| 01 (TX) | 86743F | BLUE CROSS/SHIELD |
| 01 (TX) | 8DX386 | BCBS |
Practice context
Part of a multi-provider practice. 5 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.