NPPES file of Aug 9, 2026

James Bertram Williams, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Peoria, IL

James Bertram Williams, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Peoria, Illinois, and NPI 1265433882, issued on Aug 4, 2005. Check the license (Illinois 036099138, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1265433882
Name
James Bertram Williams
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
036099138 IL
Self-reported in NPPES; status is on the state search
Practice location
2420 W Nebraska Ave, Peoria, IL 61604
Phone
(309) 680-5000
Enumerated
Aug 4, 2005
Record last updated
Jun 28, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(309) 680-1002
Medicaid ID
036099138 IL
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify James Bertram Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036099138
    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 Illinois license search

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7% more Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

108 Medicare Part D claims for 27 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D.

  1. James Williams108
  2. Specialty average101

Most prescribed

  1. Clopidogrel43 claims
  2. Simvastatin16 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: $24.46

1 payment: food and beverage; the largest payer was Abiomed. 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. James Williams$24.46
  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.

James Bertram Williams among 265 thoracic surgery (cardiothoracic vascular surgery) physician records in Illinois

James Bertram Williams, M.D. is one of 265 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Illinois. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 56% of these records are
  • Record last updated2011 · 47% 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 Illinois 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 Illinois

There are 265 thoracic surgery (cardiothoracic vascular surgery) physician records in Illinois.

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

  1. Mark Plunkett, MDPeoria, IL 616031518991074
  2. Richard Anderson, M.D.Peoria, IL 616061699703892
  3. Paul Siebert, M.D.Peoria, IL 616061154337236
  4. Farnaz Moazzam, M.D.Pekin, IL 615541487669735
  5. Glen Smith, M.D.Bloomington, IL 617011326031105
  6. Jesse Vanle, M.D.Bloomington, IL 617011366435224
  7. Ronald Curran, MDNormal, IL 617611407867286
  8. Ahadi Hakki, M.D.Normal, IL 617611194816389

Common questions

What is James Bertram Williams, M.D.'s NPI number?

James Bertram Williams, M.D.'s National Provider Identifier (NPI) is 1265433882, issued on Aug 4, 2005. An NPI identifies a provider in billing; it is not a license.

Where is James Bertram Williams, M.D. located?

The NPPES record lists a practice address at 2420 W Nebraska Ave, Peoria, IL, 61604. Phone: (309) 680-5000. Providers update this record themselves, so call before visiting.

How can I verify James Bertram Williams, M.D.'s license?

NPPES lists Illinois license number 036099138, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does James Bertram Williams, M.D. prescribe under Medicare Part D?

In 2024, James Bertram Williams, M.D. had 108 Medicare Part D claims for 27 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.