NPI age
11 years
Enumerated 2015-05-11
● Active
Type 1 · Individual
DR. Ashley Kristan Windham, D.O.
Windham is 1 of 3 pathology providers in San Antonio and 1 of 54 in Texas.
Primary specialty
Pathology
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2026-04-22
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 54 active pathology providers in Texas.
NPI age
11 years
↓ 6 yr below median (17 yr)
State licenses
1 state
25% of peers hold multiple states
Subspecialties
1
In the 57% of peers with subspecialties
NPI lifetime · 2015 → 2026
2015-05Enumerated in NPPES
2015
2026
Where they practice
Practice location
4502 Medical Dr
San Antonio, TX 782294402
Mailing address
4502 Medical Dr
San Antonio, TX 782294402
Specialties
-
Pathology PrimaryA hematopathologist is expert in diseases that affect blood cells, blood clotting mechanisms, bone marrow and lymph nodes. This physician has the knowledge and technical skills essential for the laboratory diagnosis of anemias,...
-
PathologyA physician who specializes in blood banking/transfusion medicine is responsible for the maintenance of an adequate blood supply, blood donor and patient-recipient safety and appropriate blood utilization. Pre-transfusion compatibility...
Practice context
Part of a multi-provider practice. 1646 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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