NPI age
14 years
Enumerated 2011-07-07
● Active
Type 1 · Individual
DR. Juan Diego Palacios Merchan, M.D
Palacios Merchan is 1 of 10 internal medicine providers in Edinburg and 1 of 935 in Texas.
Primary specialty
Internal Medicine
Plus 3 subspecialties
Licensed in
TX, FL
2 states
Status
Active
No deactivations on record
Last NPPES update
2023-03-28
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 935 active internal medicine providers in Texas.
NPI age
14 years
↓ 4 yr below median (18 yr)
State licenses
2 states
Top 84% — 15% of peers are multi-state
Subspecialties
2
In the 38% of peers with subspecialties
NPI lifetime · 2011 → 2026
2011-07Enumerated in NPPES
2011
2026
Where they practice
Practice location
2609 Michaelangelo Dr
Edinburg, TX 785391417
Mailing address
Po Box 2646
McAllen, TX 785022646
Additional practice locations
1 secondary location on file with NPPES.
Location 2
2121 E Griffin Pkwy Ste 17
Mission, TX 785726054
Specialties
-
Internal Medicine PrimaryAn internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary...
-
Internal MedicineA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
-
Student in an Organized Health Care Education/Training ProgramAn individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 361201201 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 10 other active providers share this practice address in NPPES.
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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.