Dr. William Tisdall, M.D.
What this data tells you about Dr. Tisdall
Dr. William Tisdall is a pain medicine specialist in San Antonio, TX, with 19 years of NPI registration. Based on federal Medicare data, Dr. Tisdall performed 1,732 Medicare services across 636 unique beneficiaries.
Between the years covered by Open Payments, Dr. Tisdall received a total of $34,851 from 32 pharmaceutical and/or device companies across 375 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in pain medicine. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Tisdall 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 |
|---|---|---|---|
| Injection, midazolam hydrochloride, per 1 mg | 531 | $0 | $1 |
| Dexamethasone injection (steroid) | 268 | $0 | $1 |
| Contrast dye for imaging, lower concentration | 218 | $0 | $1 |
| Injection, ketorolac tromethamine, per 15 mg | 123 | $0 | $2 |
| Insertion of spinal neurostimulator electrode array through skin | 102 | $232 | $13,680 |
| Destruction of lower or sacral spinal facet joint nerves using imaging guidance, each additional facet joint | 83 | $67 | $2,591 |
| Contrast dye for imaging (iodine-based) | 52 | $0 | $1 |
| Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level | 51 | $101 | $1,282 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 50 | $39 | $504 |
| Unclassified drugs | 46 | $0 | $15 |
| Destruction of upper or middle spinal facet joint nerves using imaging guidance, each additional facet joint | 45 | $73 | $2,833 |
| Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint | 42 | $212 | $6,301 |
| Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level | 39 | $213 | $2,984 |
| Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes | 25 | $8 | $102 |
| Destruction of upper or middle spinal facet joint nerves using imaging guidance, single facet joint | 23 | $194 | $6,378 |
| Injection of substance into middle or upper spine canal using imaging guidance | 20 | $195 | $2,658 |
| Injection of upper or middle spine facet joint using imaging guidance, single level | 14 | $222 | $2,916 |
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 ›
The majority of payments (66%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in pain medicine and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 7% for pain medicine in TX.
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. Tisdall is a mixed practice specialist, with moderate Medicare volume, with speaking/promotional industry engagement in the top 7% of TX peers, with 19 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. Tisdall experienced with injection, midazolam hydrochloride, per 1 mg?
Does Dr. Tisdall receive payments from pharmaceutical companies?
How do Dr. Tisdall's costs compare to other pain medicines in San Antonio?
What does Data Coverage mean?
Is this data up to date?
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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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