Doctor profile · Federal record

Dr. Nelson Mata, MD

Internal Medicine Physician (CMS: Internal Medicine) · San Juan, TX

  • NPI 1518931377
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
603 S Nebraska Ave
San Juan, TX 785892647
(956) 787-0669
fax (956) 787-2666

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
February 28, 2019
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #J7075
Medicaid
TX #134160406

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518931377. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
346
Distinct HCPCS
6
Medicare allowed
$29,443
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 152 57 $123
99213 Established patient office or other outpatient visit, 20-29 minutes 93 51 $87
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 56 11 $1
90756 Influenza vaccine, quadrivalent derived from cell cultures 20 20 $32
90471 Administration of vaccine 14 14 $19
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $160

In context: peer comparison

Among 1 peers in San Juan Internal Medicine Physician, average services per provider: 57. This provider delivers 6.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$188
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $124.99
Lilly USA, LLC 2 $36.33
Otsuka America Pharmaceutical, INC. 1 $27.07

By nature of payment

Food and Beverage
$188

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,089
Patients
956
Total drug cost
$230,341
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 676 200 $9,612
Levothyroxine Sodium Generic 321 92 $6,685
Metoprolol Succinate Generic 255 74 $6,050
Metformin Hcl Generic 233 75 $2,635
Amlodipine Besylate Generic 207 59 $1,522
Lisinopril Generic 201 68 $2,804
Omeprazole Generic 201 69 $3,445
Rosuvastatin Calcium Generic 151 48 $4,279
Donepezil Hcl Generic 141 41 $3,041
Tamsulosin Hcl Generic 133 43 $2,966

Frequently asked questions

Auto-generated from federal data
What is Dr. Nelson Mata's medical specialty?
Dr. Nelson Mata practices Internal Medicine Physician in San Juan, TX.
Where does Dr. Nelson Mata practice?
Dr. Nelson Mata practices at 603 S Nebraska Ave, San Juan, TX 785892647. Office phone: 9567870669.
What is Dr. Nelson Mata's NPI?
Dr. Nelson Mata's National Provider Identifier (NPI) is 1518931377, issued by NPPES.
Does Dr. Nelson Mata accept Medicare assignment?
Yes. Dr. Nelson Mata accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nelson Mata commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301). Source: CMS Medicare Physician & Other Practitioners file.