NPPES file of Aug 9, 2026

Alexander Thomas Williams, MD

Emergency Medicine Physician · Sherman, TX

Alexander Thomas Williams, MD is an emergency medicine physician with a practice address in Sherman, Texas, and NPI 1134615917, issued on Jul 5, 2018. Check the license (Texas S9626, 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
1134615917
Name
Alexander Thomas Williams
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
S9626 TX
TRN27307 FL
Self-reported in NPPES; status is on the state search
Practice location
500 N Highland Ave, Sherman, TX 75092
Phone
(903) 870-4611
Enumerated
Jul 5, 2018
Record last updated
Jun 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210526000756); accepts Medicare assignment
Medical or professional school
Texas Tech University Health Science Center School Of Medicine, 2018
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.
Download card Updates feed

Also registered at 500 N Highland Ave

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

  1. Amanda Bagwell, FNPFamily Nurse Practitioner1235806589
  2. Anthony Beaverson, M.D.Emergency Medicine Physician1275518250
  3. Justin Brayton, RNEmergency Registered Nurse1548145584
  4. Alfonso Cardenas, MDEmergency Medicine Physician1609899475
  5. Michael De Sandro, P.A.-C.Physician Assistant1659487627
  6. Melissa Forsythe, ACNPC-AGAcute Care Nurse Practitioner1972484582

Verify Alexander Thomas Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license S9626
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

49% more Medicare Part D claims than the average emergency medicine physician in 2024

336 Medicare Part D claims for 212 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 36 claims were for opioids.

  1. Alexander Williams336
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt47 claims
  2. Cefdinir42 claims
  3. Hydrocodone-Acetaminophen35 claims
  4. Doxycycline Monohydrate19 claims
  5. Methocarbamol18 claims
  6. Albuterol Sulfate Hfa14 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): 80.4 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 score94.9
  2. Costout of 100 · 30%79.7
  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).

Bills Medicare through one group practice

  1. Century Integrated Partners, IncDallas, TX

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

Alexander Thomas Williams among 4,885 emergency medicine physician records in Texas

Alexander Thomas Williams, MD is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 77% of them.

  • NPI issued2018 · 77% of these records are older, 19% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2018 · median 2013 among the 2,779 with a school on file
  • Record last updated2021 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Texas

There are 4,885 emergency medicine physician records in Texas.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Anthony Beaverson, M.D.Sherman, TX 750921275518250
  2. Jerry Bennett, MDSherman, TX 750921699768119
  3. Alfonso Cardenas, MDSherman, TX 750921609899475
  4. Brent Armstrong, MDPlano, TX 750931346289576
  5. Gregory Blomquist, MDPlano, TX 750931962625087
  6. Geoffrey Coates, MDPlano, TX 750931710091178
  7. Martha Grimm, MDPlano, TX 750931336196930
  8. David Hoang, DOPlano, TX 750931295716181

Common questions

What is Alexander Thomas Williams, MD's NPI number?

Alexander Thomas Williams, MD's National Provider Identifier (NPI) is 1134615917, issued on Jul 5, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Thomas Williams, MD located?

The NPPES record lists a practice address at 500 N Highland Ave, Sherman, TX, 75092. Phone: (903) 870-4611. Providers update this record themselves, so call before visiting.

How can I verify Alexander Thomas Williams, MD's license?

NPPES lists Texas license number S9626, 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 Alexander Thomas Williams, MD prescribe under Medicare Part D?

In 2024, Alexander Thomas Williams, MD had 336 Medicare Part D claims for 212 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Alexander Thomas Williams, MD's MIPS final score?

The 2023 MIPS final score is 80.4 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.