NPI age
18 years
Enumerated 2007-07-17
● Active
Type 1 · Individual
DR. Leticia Castillo Kontak, MD
Castillo Kontak is 1 of 20 internal medicine providers in Round Rock and 1 of 2301 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX, NY
2 states
Status
Active
No deactivations on record
Last NPPES update
2021-01-14
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 2301 active internal medicine providers in Texas.
NPI age
18 years
≈ at median (19 yr)
State licenses
2 states
Top 88% — 11% of peers are multi-state
Subspecialties
2
In the 37% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-07Enumerated in NPPES
2007
2026
Where they practice
Practice location
302 University Blvd
Round Rock, TX 786651032
Mailing address
Po Box 844658
Dallas, TX 752844658
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.
-
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.
Practice context
Part of a multi-provider practice. 155 other active providers share this practice address in NPPES.
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