NPI age
20 years
Enumerated 2006-04-12
● Active
Type 1 · Individual
Maria Carola Zalles, MD
Zalles is 1 of 9 pathology providers in Round Rock and 1 of 1597 in Texas.
Primary specialty
Pathology
Plus 7 subspecialties
Licensed in
CT, MO, GA, IN, KS
5 states
Status
Active
No deactivations on record
Last NPPES update
2025-11-21
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1597 active pathology providers in Texas.
NPI age
20 years
≈ at median (19 yr)
State licenses
5 states
Top 83% — 16% of peers are multi-state
Subspecialties
2
In the 37% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-04Enumerated in NPPES
2006
2026
Where they practice
Practice location
201 Seton Pkwy, Seton Medical Center Williamson, Dept. Of Pathology
Round Rock, TX 786658000
Mailing address
250 N Shadeland Ave
Indianapolis, IN 462194959
Additional practice locations
1 secondary location on file with NPPES.
Location 2
550 University Blvd
Indianapolis, IN 462025149
Specialties
-
Pathology PrimaryA pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses...
-
PathologyA cytopathologist is an anatomic pathologist trained in the diagnosis of human disease by means of the study of cells obtained from body secretions and fluids, by scraping, washing, or sponging the surface of a lesion, or by the...
-
PathologyA pediatric pathologist is expert in the laboratory diagnosis of diseases that occur during fetal growth, infancy and child development. The practice requires a strong foundation in general pathology and substantial understanding of...
Practice context
Part of a multi-provider practice. 46 other active providers share this practice address in NPPES.
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