NPPES file of Aug 9, 2026

John R. Williams, MD

Surgery Physician · Granite City, IL

John R. Williams, MD is a surgery physician with a practice address in Granite City, Illinois, and NPI 1134217169, issued on Oct 11, 2006. Check the license (Illinois 036116781, 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
1134217169
Name
John R. Williams
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License number
036116781 IL
Self-reported in NPPES; status is on the state search
Practice location
2044 Madison Ave, Granite City, IL 62040
Phone
(618) 451-7600
Enumerated
Oct 11, 2006
Record last updated
Jan 9, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20070105000219); accepts Medicare assignment
Medical or professional school
Js Weill Medical College, Cornell University, 1989
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 2044 Madison Ave

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

  1. Debra Clark, RNPediatric Registered Nurse1508079328
  2. Lawrence Harmon, MDInternal Medicine Physician1275526956
  3. Rod Hartzel, MDInternal Medicine Physician1881688745
  4. Christopher Knapp, MD, MPHOccupational Medicine Physician1245201920
  5. Rajinder Mahay, MDInternal Medicine Physician1669490421
  6. Elizabeth Mincy, APRN-CAdult Health Nurse Practitioner1922233576

Verify John R. 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 036116781
    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

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

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41% fewer Medicare Part D claims than the average surgery physician in 2024

86 Medicare Part D claims for 65 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.

  1. John Williams86
  2. Specialty average147

Most prescribed

  1. Ondansetron Odt13 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: $59.71

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Williams$59.71
  2. Specialty average$3,513.80

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

One hospital affiliation

  1. Pinckneyville Community HospitalPinckneyville, IL · Critical Access Hospitals

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

John R. Williams among 1,520 surgery physician records in Illinois

John R. Williams, MD is one of 1,520 surgery physician records with a practice address in Illinois. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 64% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated1989 · median 2004 among the 650 with a school on file
  • Record last updated2013 · 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 208600000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Illinois

There are 1,520 surgery physician records in Illinois.

The 8 surgery physician records with the nearest ZIP codes

  1. Paul Pace, M.D.Granite City, IL 620401528222437
  2. Gustavo Vonderlancken, MDGranite City, IL 620401881683282
  3. Robert Hamilton, M.D.Godfrey, IL 620351205024601
  4. Jon Andersen, DOJerseyville, IL 620521841304888
  5. Jou Nan Huang, M.D.Jerseyville, IL 620521922172303
  6. Timothy Ruff, MDJerseyville, IL 620521629016753
  7. Malcolm Schulz, M.D., F.A.C.S.Jerseyville, IL 620521740238542
  8. Dennis Billiter, MDLitchfield, IL 620561346291721

Common questions

What is John R. Williams, MD's NPI number?

John R. Williams, MD's National Provider Identifier (NPI) is 1134217169, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John R. Williams, MD located?

The NPPES record lists a practice address at 2044 Madison Ave, Granite City, IL, 62040. Phone: (618) 451-7600. Providers update this record themselves, so call before visiting.

How can I verify John R. Williams, MD's license?

NPPES lists Illinois license number 036116781, 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 John R. Williams, MD prescribe under Medicare Part D?

In 2024, John R. Williams, MD had 86 Medicare Part D claims for 65 beneficiaries; the average among surgery physician prescribers was 147. 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.