NPPES file of Aug 9, 2026

Derek Edwin Williams, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Richardson, TX

Derek Edwin Williams, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Richardson, Texas, and NPI 1336349448, issued on Jul 18, 2007. Check the license (Texas P0321, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336349448
Name
Derek Edwin Williams
Credential
MD
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License numbers
P0321 TX
ME124590 FL
Self-reported in NPPES; status is on the state search
Practice location
2821 E. President George Bush Turnpike, Richardson, TX 75082
Phone
(214) 943-2200
Enumerated
Jul 18, 2007
Record last updated
Mar 20, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(214) 943-2201
Medicaid ID
015147600 FL
Medicare enrollment
Enrolled (PECOS I20170307000393); accepts Medicare assignment
Medical or professional school
Washington University School Of Medicine, 2007
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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Verify Derek Edwin Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P0321
    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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41% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

60 Medicare Part D claims for 19 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Derek Williams60
  2. Specialty average101

Most prescribed

  1. Clopidogrel14 claims
  2. Gabapentin14 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.

Industry payments in 2024: $3,903.66

27 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Derek Williams$3,903.66
  2. Specialty average$7,828.84

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. MedhealthRichardson, TX

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

Derek Edwin Williams among 484 thoracic surgery (cardiothoracic vascular surgery) physician records in Texas

Derek Edwin Williams, MD is one of 484 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Texas. 79% 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 55% of them.

  • NPI issued2007 · 55% of these records are older, 35% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2007 · median 1996 among the 309 with a school on file
  • Record last updated2019 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Texas

There are 484 thoracic surgery (cardiothoracic vascular surgery) physician records in Texas.

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Mitchell Magee, M.D.Richardson, TX 750821467440016
  2. Vicky Chappell, M.D.Sherman, TX 750901366547390
  3. Gregory Matter, MDSherman, TX 750901962466953
  4. Robert Wilcott, MDSherman, TX 750901073559209
  5. Eric Chang-Tung, M. D.Plano, TX 750931891748588
  6. John Dimaio, MDPlano, TX 750931124082904
  7. James Edgerton, M.D.Plano, TX 750931386632909
  8. Gary Jett, M.D.Plano, TX 750931184690810

Common questions

What is Derek Edwin Williams, MD's NPI number?

Derek Edwin Williams, MD's National Provider Identifier (NPI) is 1336349448, issued on Jul 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Derek Edwin Williams, MD located?

The NPPES record lists a practice address at 2821 E. President George Bush Turnpike, Richardson, TX, 75082. Phone: (214) 943-2200. Providers update this record themselves, so call before visiting.

How can I verify Derek Edwin Williams, MD's license?

NPPES lists Texas license number P0321, 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 Derek Edwin Williams, MD prescribe under Medicare Part D?

In 2024, Derek Edwin Williams, MD had 60 Medicare Part D claims for 19 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.

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.