NPI age
8 years
Enumerated 2017-09-07
● Active
Type 1 · Individual
Alberto Nenninger Leon, MD
Nenninger Leon is 1 of 72 internal medicine providers in Edinburg and 1 of 12343 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
NM, TX
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-10-21
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 12343 active internal medicine providers in Texas.
NPI age
8 years
↓ 9 yr below median (17 yr)
State licenses
2 states
Top 88% — 12% of peers are multi-state
Subspecialties
1
In the 33% of peers with subspecialties
NPI lifetime · 2017 → 2026
2017-09Enumerated in NPPES
2017
2026
Where they practice
Practice location
5501 S McColl Rd
Edinburg, TX 785395503
Mailing address
Po Box 5958
McAllen, TX 785025958
Additional practice locations
1 secondary location on file with NPPES.
Location 2
801 W Maple St
Farmington, NM 874015630
Specialties
-
Internal Medicine PrimaryA 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,...
-
HospitalistHospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term...
Practice context
Part of a multi-provider practice. 234 other active providers share this practice address in NPPES.
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