Dr. Ann John, MD
What this data tells you about Dr. John
Dr. Ann John is an anesthesiology specialist in Austin, TX, with 18 years of NPI registration. Based on federal Medicare data, Dr. John performed 157 Medicare services across 154 unique beneficiaries.
Between the years covered by Open Payments, Dr. John received a total of $452 from 5 pharmaceutical and/or device companies across 9 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in anesthesiology. 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. John 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 |
|---|---|---|---|
| Arterial line insertion A tube is inserted into an artery through the skin to allow for blood sampling or infusion. |
29 | $34 | $1,203 |
| Anesthesia for heart electrical activity assessment Administration of anesthesia during a procedure to evaluate the electrical activity of the heart. |
24 | $321 | $4,075 |
| Ultrasound guidance for blood vessel access Use of ultrasound imaging to help locate and access a blood vessel. This guidance assists healthcare providers in performing procedures such as inserting IV lines or drawing blood. |
24 | $11 | $401 |
| Anesthesia for x-ray or radiation therapy Administration of anesthesia during x-ray or radiation therapy procedures. |
18 | $156 | $1,825 |
| Insertion of non-tunneled central venous catheter A procedure to place a central venous catheter for infusion in patients aged 5 years or older. The catheter is inserted directly into a large vein without being tunneled under the skin. |
16 | $65 | $1,603 |
| Anesthesia for blood flow shunt placement or revision This code covers the administration of anesthesia during the surgical placement or revision of a blood flow shunt. |
12 | $128 | $2,133 |
| Transesophageal echocardiogram An ultrasound of the heart performed using a probe inserted into the esophagus to obtain detailed images of heart structures and function. |
12 | $83 | $2,295 |
| Anesthesia for x-ray of brain, heart, or chest artery Administration of anesthesia during an x-ray procedure involving the arteries of the brain, heart, or chest. |
11 | $227 | $3,108 |
| Echocardiogram with color Doppler An ultrasound of the heart that uses color imaging to visualize blood flow, measure flow rate, and assess valve function. |
11 | $2 | $479 |
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. John is a mixed practice specialist, with moderate Medicare volume, with low-engagement industry engagement, with 18 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
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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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