NPI age
18 years
Enumerated 2008-01-18
● Active Type 2 · Organization
Donald C. Roa, Md,pa
Donald C. Roa, Md,pa is 1 of 2301 internal medicine organizations in Texas.
Primary specialty
Internal Medicine
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Roa
M.D.
Last NPPES update
2011-04-22
Source: monthly bulk 2026-05
How this organization compares
Across 2301 active internal medicine providers in Texas.
NPI age
18 years
≈ at median (19 yr)
Practice locations
1
0 secondary on file
Subspecialties
0
NPI lifetime · 2008 → 2026
2008-01Enumerated in NPPES
2008
2026
Where they practice
Primary practice location
1821 S Sesame Square, Suite 9
Harlingen, TX 785508407
Mailing address
1821 S Sesame Square, Suite 9
Harlingen, TX 785508407
Authorized official
Donald C. Roa, M.D.
M.D.
📞 9564127099
Individual providers at this organization
2 individual providers on file at this primary practice address.
- Lourdes Concha, M.D. Internal Medicine NPI 1801886569
- Donald Roa, MD Internal Medicine NPI 1811987563
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) | 8BC600 | BC BS OF TX |
| 05 (TX) | 193706201 |
Practice context
Multi-provider organization. 2 individual providers on file at this primary address.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Verify the organization is in good standing.Cross-check with the state's business registration and any applicable licensing boards.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.