NPI age
19 years
Enumerated 2006-06-14
● Active
Type 1 · Individual
DR. Joseph John Martinez-O'Hara, MD
Martinez-O'Hara is 1 of 70 internal medicine providers in Brownsville and 1 of 12343 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2026-03-02
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 12343 active internal medicine providers in Texas.
NPI age
19 years
↑ 2 yr above median (17 yr)
State licenses
1 state
12% of peers hold multiple states
Subspecialties
2
In the 33% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-06Enumerated in NPPES
2006
2026
Where they practice
Practice location
120 Uptown Ave
Brownsville, TX 785207559
Mailing address
120 Uptown Ave
Brownsville, TX 785207559
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
2150 N Expressway, #83
Brownsville, TX 785211561
Location 3
3302 Boca Chica Blvd
Brownsville, TX 785215193
Specialties
-
Internal Medicine PrimaryA 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,...
-
Internal MedicineAn internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine...
-
Internal MedicineAn internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | 8U1534 | BLUE CROSS OF TX |
| 05 (TX) | 99937705 | |
| 05 (TX) | 99937704 |
Practice context
Part of a multi-provider practice. 4 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 →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
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