Dr. John Nix, MD
What this data tells you about Dr. Nix
Dr. John Nix is a family medicine in Texarkana, TX, with 20 years in practice. Based on federal Medicare data, Dr. Nix performed 9,430 Medicare services across 5,197 unique beneficiaries.
Between the years covered by Open Payments, Dr. Nix received a total of $4,812 from 35 pharmaceutical and/or device companies across 352 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in family medicine. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Nix is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Steroid injection (triamcinolone) | 1,704 | $1 | $10 |
| Office visit, established patient (20-29 min) | 998 | $56 | $100 |
| Chronic care management, first 20 min/month | 927 | $43 | $75 |
| Blood draw (venipuncture) | 857 | $8 | $10 |
| Comprehensive metabolic blood panel | 611 | $10 | $85 |
| Lipid panel (cholesterol and triglycerides) | 466 | $13 | $52 |
| Thyroid stimulating hormone (TSH) test | 441 | $16 | $63 |
| Drug injection, under skin or into muscle | 371 | $9 | $40 |
| Urinalysis with microscopic exam | 328 | $3 | $20 |
| Annual wellness visit, follow-up | 325 | $126 | $236 |
| Office visit, established patient (30-39 min) | 269 | $84 | $154 |
| Hemoglobin A1c test (diabetes monitoring) | 255 | $9 | $38 |
| Complete blood count (CBC) with differential | 253 | $8 | $30 |
| Annual depression screening | 247 | $18 | $30 |
| Prothrombin time test (blood clotting) | 130 | $4 | $18 |
| Flu vaccine administration | 122 | $29 | $30 |
| Flu vaccine, high-dose | 121 | $72 | $80 |
| Prostate cancer screening; prostate specific antigen test (psa) | 118 | $19 | $80 |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | 92 | $57 | $100 |
| Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a | 77 | $31 | $105 |
| Ceftriaxone antibiotic injection | 68 | $0 | $24 |
| Thyroxine (thyroid chemical), total | 65 | $7 | $42 |
| Urine microalbumin test (kidney screening) | 63 | $6 | $20 |
| Chest X-ray, 2 views | 62 | $24 | $75 |
| Basic metabolic blood panel | 55 | $8 | $65 |
| Vitamin B-12 level test | 42 | $15 | $75 |
| Vitamin D level test | 35 | $29 | $137 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 27 | $282 | $325 |
| Transitional care management services for problem of high complexity | 26 | $204 | $262 |
| Electrocardiogram (EKG), 12-lead | 25 | $9 | $100 |
| Transitional care management services for problem of at least moderate complexity | 25 | $157 | $210 |
| Pneumonia vaccine administration | 24 | $29 | $30 |
| Bone density scan (DEXA) | 22 | $37 | $275 |
| Free thyroxine (T4) test | 18 | $9 | $45 |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 18 | $16 | $40 |
| Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 18 | $161 | $284 |
| Shoulder X-ray, 2+ views | 17 | $22 | $60 |
| Knee X-ray, 3 views | 16 | $24 | $85 |
| Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | 16 | $158 | $284 |
| Magnesium level test | 15 | $7 | $22 |
| Administration of vaccine | 14 | $11 | $40 |
| Joint injection, major joint | 12 | $43 | $156 |
| X-ray of lower and sacral spine, 2-3 views | 12 | $26 | $115 |
| New patient office visit (30-44 min) | 12 | $64 | $173 |
| Administration and interpretation of patient-focused health risk assessment | 11 | $2 | $25 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Nix is a clinical cardiology specialist, with above-average Medicare volume (top 1% in TX), and high industry engagement (low-engagement, top 13%), with 20 years of practice experience.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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