Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Joseph John Martinez-O'Hara, MD

Individual provider Hematology & Oncology Physician · NPI 1710920624

Dr. Joseph John Martinez-O'Hara, MD is a Hematology & Oncology Physician in Brownsville, Texas. Works from 3 locations. Licensed in Texas.

Licensed in
TX
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

120 Uptown Ave
Brownsville, TX 78520-7559
Phone: (956) 982-0909
Fax: (956) 982-0921
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 3302 Boca Chica Blvd, Brownsville, TX 78521-5193 — (956) 982-1001
  • 2150 N Expressway, Brownsville, TX 78521-1561 — (956) 548-0810

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence F7833 (TX)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence F7833 (TX)
Medical Oncology Physician Taxonomy 207RX0202X · Licence F7833 (TX)

Record details

NPI number1710920624
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 14, 2006
Last updated in NPPESMarch 2, 2026
Certification dateMarch 2, 2026

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