Dr. David Nation, MD
What this data tells you about Dr. Nation
Dr. David Nation is a vascular surgery physician in Austin, TX, with 17 years of NPI registration. Based on federal Medicare data, Dr. Nation performed 736 Medicare services across 589 unique beneficiaries.
Between the years covered by Open Payments, Dr. Nation received a total of $7,816 from 18 pharmaceutical and/or device companies across 87 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in vascular surgery physician. 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. Nation 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 |
|---|---|---|---|
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
113 | $94 | $235 |
| Additional sedation, per 15 minutes Administration of a drug to deepen sedation during a procedure. This code covers each additional 15-minute increment of sedation beyond the initial period. |
99 | $8 | $30 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
70 | $64 | $154 |
| Ultrasound of arm and leg arteries This procedure uses sound waves to create images of the blood vessels in the arms and legs. It allows healthcare providers to examine the structure and blood flow within these arteries. |
67 | $52 | $330 |
| Sedation by physician, initial 15 minutes Administration of a drug to induce depression of consciousness by the physician performing a procedure. This code covers the initial 15 minutes of sedation for patients aged 5 years or older. |
59 | $38 | $147 |
| Ultrasound of head and neck blood flow, bilateral An ultrasound exam that uses sound waves to visualize and assess blood flow in the vessels of both the head and the neck. |
53 | $130 | $655 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
37 | $126 | $350 |
| Ultrasound of arm or leg veins An ultrasound exam of the veins in one arm or leg using compression and other maneuvers to assess blood flow and check for blockages. |
36 | $88 | $500 |
| Hemodialysis circuit intervention with balloon dilation A procedure to insert a needle or tube into a hemodialysis circuit and dilate the dialysis segment using a balloon, with radiological review. |
30 | $878 | $3,951 |
| Ultrasound of leg arteries or grafts An ultrasound exam that uses sound waves to create images of the arteries in one leg or any grafts present in that leg. |
28 | $81 | $485 |
| Ultrasound of hemodialysis access An ultrasound imaging test used to evaluate the blood flow and structure of a hemodialysis access site. |
24 | $85 | $485 |
| Ultrasound of aorta, vena cava, groin vessels or bypass grafts This procedure uses sound waves to create images of the aorta, vena cava, groin vessels, or bypass grafts. It allows for the visualization of these blood vessels and any surgical grafts. |
19 | $85 | $455 |
| Revision of hemodialysis graft A procedure to repair or restore the function of a surgically created blood vessel connection used for hemodialysis. |
15 | $581 | $1,946 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
14 | $63 | $165 |
| Radiologist review of arm or leg artery image A radiologist reviews images of the arteries in the arm or leg. This process involves analyzing the visual data to assess the blood vessels. |
13 | $117 | $696 |
| Basic blood chemical test (calcium, ionized) A blood test that measures basic chemical levels, specifically including calcium and ionized calcium. |
13 | $13 | $28 |
| Red blood cell concentration measurement A laboratory test that measures the concentration of red blood cells in the blood. |
13 | $2 | $6 |
| Removal of tunneled central venous tube This procedure involves the removal of a catheter that has been surgically placed under the skin and threaded into a large vein. |
11 | $105 | $504 |
| Ultrasound of arm or leg veins An ultrasound exam of the veins in the arm or leg. The test uses sound waves to check blood flow and may include compression and other maneuvers. |
11 | $142 | $645 |
| Hospital follow-up visit, high complexity Subsequent hospital inpatient or observation care for an existing patient involving high-level medical decision making, with at least 50 minutes total time on the date of the encounter. |
11 | $89 | $235 |
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
1.3 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. Nation is a clinical cardiology specialist, with moderate Medicare volume, with low-engagement industry engagement, with 17 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. Nation experienced with office visit, established patient (30-39 min)?
Does Dr. Nation receive payments from pharmaceutical companies?
How do Dr. Nation's costs compare to other vascular surgery physicians in Austin?
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.
Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology