Nelson A. Mata, MD
Internal Medicine Physician · San Juan, TX
Nelson A. Mata, MD is an internal medicine physician with a practice address in San Juan, Texas, and NPI 1518931377, issued on Feb 16, 2006. Check the license (Texas J7075, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nelson A. Mata
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- J7075 TX
Self-reported in NPPES; status is on the state search - Practice location
- 603 S Nebraska Ave, San Juan, TX 78589
- Phone
- (956) 787-0669
- Enumerated
- Feb 16, 2006
- Record last updated
- Feb 28, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (956) 787-2666
- Medicaid ID
- 134160406 TX
- Medicare enrollment
- Enrolled (PECOS I20040507000363); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify Nelson A. Mata in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J7075Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
6,928 Medicare Part D claims for 396 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 88 claims were for opioids.
Most prescribed
- Atorvastatin Calcium666 claims
- Levothyroxine Sodium282 claims
- Metoprolol Succinate232 claims
- Omeprazole225 claims
- Lisinopril203 claims
- Metformin Hcl185 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $188.39
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Nelson A. Mata among 9,175 internal medicine physician records in Texas
Nelson A. Mata, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1989 · median 2004 among the 6,088 with a school on file
- Record last updated2019 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Texas
There are 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in San Juan → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mir Ali, MDSan Benito, TX 785861194400879
- Kristel Fernandez-Lopez, MDSan Benito, TX 785861982272589
- Francisco Loya, MDSan Benito, TX 785861750366340
- Ryan VillafuerteSan Benito, TX 785861639819493
- Hector Amaya Chinchilla, M.D.Weslaco, TX 785961366690588
- Jose Bejarano, M.D.Weslaco, TX 785961518168772
- Dionisio CalvoWeslaco, TX 785961487756094
- Brandon Cantazaro, MDWeslaco, TX 785961023404084
Common questions
What is Nelson A. Mata, MD's NPI number?
Nelson A. Mata, MD's National Provider Identifier (NPI) is 1518931377, issued on Feb 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nelson A. Mata, MD located?
The NPPES record lists a practice address at 603 S Nebraska Ave, San Juan, TX, 78589. Phone: (956) 787-0669. Providers update this record themselves, so call before visiting.
How can I verify Nelson A. Mata, MD's license?
NPPES lists Texas license number J7075, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nelson A. Mata, MD prescribe under Medicare Part D?
In 2024, Nelson A. Mata, MD had 6,928 Medicare Part D claims for 396 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.