NPPES file of Aug 9, 2026

William Alec Tisdall, M.D.

Interventional Pain Medicine Physician · San Antonio, TX

William Alec Tisdall, M.D. is an interventional pain medicine physician with a practice address in San Antonio, Texas, and NPI 1124153754, issued on Feb 22, 2007. Check the license (Texas M5545, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124153754
Name
William Alec Tisdall
Credential
M.D.
Primary taxonomy
Interventional Pain Medicine Physician 208VP0014X
License number
M5545 TX
Self-reported in NPPES; status is on the state search
Practice location
1919 Rogers RD, San Antonio, TX 78251
Phone
(210) 541-0700
Enumerated
Feb 22, 2007
Record last updated
Jan 4, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(210) 541-6868
Medicaid ID
192493602 TX
Medicare enrollment
Enrolled (PECOS I20070712000382); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 2002
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1919 Rogers RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Roy Blount, P.A.Medical Physician Assistant1922176817
  2. Jonathan Bourgeois, MDAnesthesiology Physician1528183001
  3. Kurt Lee, P.A.Physician Assistant1316228026
  4. Robert Overbaugh, M. D.Interventional Pain Medicine Physician1043262264
  5. Alison Polston, FNP-CFamily Nurse Practitioner1780022806
  6. Michael Reed, PA-CPhysician Assistant1508158734

Verify William Alec Tisdall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M5545
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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2.4 times the Medicare Part D claims of the average interventional pain medicine physician in 2024

5,499 Medicare Part D claims for 642 beneficiaries, against an average of 2,306 among the 2,100 providers of this specialty who prescribed in Part D. Brand-name drugs were 1% of claims. 5,081 claims were for opioids.

  1. William Tisdall5,499
  2. Specialty average2,306

Most prescribed

  1. Hydrocodone-Acetaminophen4,077 claims
  2. Oxycodone Hcl322 claims
  3. Oxycodone-Acetaminophen271 claims
  4. Naloxone Hcl183 claims
  5. Morphine Sulfate Er160 claims
  6. Hydromorphone Hcl155 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 0 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $7,981.34

38 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 1,966 providers of this specialty with any payment received $3,889.53 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Tisdall$7,981.34
  2. Specialty average$3,889.53

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. William A. Tisdall, M.D., P.A.San Antonio, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Alec Tisdall among 301 interventional pain medicine physician records in Texas

William Alec Tisdall, M.D. is one of 301 interventional pain medicine physician records with a practice address in Texas. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 45% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 83% of these records are
  • Graduated2002 · median 2004 among the 250 with a school on file
  • Record last updated2016 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208VP0014X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Interventional Pain Medicine Physician providers in Texas

There are 301 interventional pain medicine physician records in Texas.

The 8 interventional pain medicine physician records with the nearest ZIP codes

  1. Sergio Alvarado, M.D.San Antonio, TX 782511255309084
  2. Dennis Karasek, M.D.San Antonio, TX 782511679572994
  3. Robert Overbaugh, M. D.San Antonio, TX 782511043262264
  4. Darius Zagunis, M.D.San Antonio, TX 782511174542286
  5. Raheel Bengali, MDSan Antonio, TX 782581376864512
  6. Urfan Dar, M.D.San Antonio, TX 782581285615260
  7. Moez Mithani, MDSan Antonio, TX 782581376047837
  8. Somtochukwu Nwebeh, MDSan Antonio, TX 782581366184178

Common questions

What is William Alec Tisdall, M.D.'s NPI number?

William Alec Tisdall, M.D.'s National Provider Identifier (NPI) is 1124153754, issued on Feb 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William Alec Tisdall, M.D. located?

The NPPES record lists a practice address at 1919 Rogers RD, San Antonio, TX, 78251. Phone: (210) 541-0700. Providers update this record themselves, so call before visiting.

How can I verify William Alec Tisdall, M.D.'s license?

NPPES lists Texas license number M5545, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Alec Tisdall, M.D. prescribe under Medicare Part D?

In 2024, William Alec Tisdall, M.D. had 5,499 Medicare Part D claims for 642 beneficiaries; the average among interventional pain medicine physician prescribers was 2,306. Part D covers Medicare prescriptions only.

What is William Alec Tisdall, M.D.'s MIPS final score?

The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.