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

Nelson A Mata, MD

Individual provider Internal Medicine Physician · NPI 1518931377

Nelson A Mata, MD is an Internal Medicine in San Juan, Texas. Qualified in 1989, 37 years ago. Accepts Medicare assignment. Licensed in Texas.

Years since qualifying
37
Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

603 S Nebraska Ave
San Juan, TX 78589-2647
Phone: (956) 787-0669
Fax: (956) 787-2666
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence J7075 (TX)

Record details

NPI number1518931377
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 16, 2006
Last updated in NPPESFebruary 28, 2019
Mailing address603 S Nebraska Ave, San Juan, TX 78589-2647

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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