NPI age
11 years
Enumerated 2015-04-27
● Active
Type 1 · Individual
DR. Jacob A Armstrong, M.D.
Armstrong is 1 of 416 pathology providers in Houston and 1 of 1597 in Texas.
Primary specialty
Pathology
Plus 4 subspecialties
Licensed in
TX, LA
2 states
Status
Active
No deactivations on record
Last NPPES update
2022-09-19
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
11 years
↓ 8 yr below median (19 yr)
State licenses
2 states
Top 83% — 16% of peers are multi-state
Subspecialties
2
In the 37% of peers with subspecialties
NPI lifetime · 2015 → 2026
2015-04Enumerated in NPPES
2015
2026
Where they practice
Practice location
6431 Fannin Street
Houston, TX 770301501
Mailing address
6431 Fannin Street, Msb 2.136
Houston, TX 770301501
Additional practice locations
1 secondary location on file with NPPES.
Location 2
6431 Fannin St, Suite Msb 2.136
Houston, TX 770301501
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 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,...
-
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. 175 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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