Dr. Hayden Hemphill, MD
What this data tells you about Dr. Hemphill
Dr. Hayden Hemphill is a nephrology specialist in Texarkana, TX, with 20 years of NPI registration. Based on federal Medicare data, Dr. Hemphill performed 5,063 Medicare services across 2,790 unique beneficiaries.
Between the years covered by Open Payments, Dr. Hemphill received a total of $2,195 from 30 pharmaceutical and/or device companies across 107 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in nephrology. 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. Hemphill 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 |
|---|---|---|---|
| Hospital follow-up visit, moderate complexity | 608 | $61 | $144 |
| Dialysis services, 4 or more physician visits per month (20 years or older) | 412 | $269 | $675 |
| Blood draw (venipuncture) | 353 | $8 | $20 |
| Urinalysis with microscopic exam | 341 | $3 | $28 |
| Creatinine test (kidney function) | 323 | $5 | $22 |
| Total protein level, urine | 323 | $4 | $24 |
| Basic metabolic blood panel | 309 | $8 | $88 |
| Red blood cell concentration measurement | 300 | $2 | $21 |
| Blood count, hemoglobin | 300 | $2 | $22 |
| Phosphate level test | 230 | $5 | $24 |
| Office visit, established patient (30-39 min) | 225 | $90 | $245 |
| Parathyroid hormone level test | 213 | $40 | $163 |
| Lipid panel (cholesterol and triglycerides) | 189 | $13 | $90 |
| Albumin (protein) level | 172 | $5 | $29 |
| Hemodialysis, single evaluation | 126 | $55 | $209 |
| Initial hospital admission, moderate complexity | 118 | $97 | $255 |
| New patient office visit (45-59 min) | 80 | $113 | $315 |
| Home dialysis services per month (20 years or older) | 68 | $224 | $560 |
| Dialysis services, 2-3 physician visits per month (20 years or older) | 55 | $221 | $495 |
| Comprehensive metabolic blood panel | 49 | $10 | $105 |
| Complete blood count (CBC) with differential | 48 | $7 | $48 |
| Magnesium level test | 44 | $6 | $37 |
| Tacrolimus level | 38 | $13 | $121 |
| Dialysis procedure including 1 evaluation | 37 | $66 | $209 |
| Uric acid level test | 35 | $4 | $24 |
| Hemoglobin A1c test (diabetes monitoring) | 21 | $10 | $61 |
| Urine culture, bacterial identification | 20 | $8 | $42 |
| Iron level test | 13 | $6 | $39 |
| Transferrin (iron binding protein) level | 13 | $12 | $50 |
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 (96%) 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. Hemphill is a mixed practice specialist, with above-average Medicare volume (top 5% in TX), with low-engagement industry engagement, with 20 years of NPI registration.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Hemphill experienced with hospital follow-up visit, moderate complexity?
Does Dr. Hemphill receive payments from pharmaceutical companies?
How do Dr. Hemphill's costs compare to other nephrologists in Texarkana?
What does Data Coverage mean?
Is this data up to date?
Explore related providers
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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