NPI age
17 years
Enumerated 2009-01-21
● Active
Type 1 · Individual
DR. Alvin J. Marx, M.D.
Marx is 1 of 135 pathology providers in San Antonio and 1 of 1597 in Texas.
Primary specialty
Pathology
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2009-01-21
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
17 years
↓ 2 yr below median (19 yr)
State licenses
1 state
16% of peers hold multiple states
Subspecialties
2
In the 37% of peers with subspecialties
NPI lifetime · 2009 → 2026
2009-01Enumerated in NPPES
2009
2026
Where they practice
Practice location
511 Mirepoix
San Antonio, TX 782321951
Mailing address
511 Mirepoix
San Antonio, TX 782321951
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...
-
General PracticeA physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
-
Physical Medicine & RehabilitationPhysical medicine and rehabilitation, also referred to as rehabilitation medicine, is the medical specialty concerned with diagnosing, evaluating, and treating patients with physical disabilities. These disabilities may arise from...
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 1597 Pathology providers in Texas?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
Request a quote →How to verify this provider
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.