NPPES file of Aug 9, 2026

William Patrick Marshall, MD

Endocrinology, Diabetes & Metabolism Physician · Danville, IL

William Patrick Marshall, MD is an endocrinology, diabetes & metabolism physician with a practice address in Danville, Illinois, and NPI 1205943784, issued on Aug 23, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205943784
Name
William Patrick Marshall
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
Practice location
1900 E Main St, Danville, IL 61832
Phone
(217) 554-5080
Enumerated
Aug 23, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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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8 nearest endocrinology, diabetes & metabolism physician records → All 436 in Illinois → Look up another NPI →

Also registered at 1900 E Main St

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

  1. Tuyet Abraham, MD, MSCInternal Medicine Physician1588890032
  2. Zainab Adam-AndersonSocial Worker1316659568
  3. Ibukunoluwa Afolabi, NPFamily Nurse Practitioner1598172538
  4. Plamen Alexandrov, PTPhysical Therapist1003076308
  5. Monica Allen, FNPFamily Nurse Practitioner1720190010
  6. Nancy Allen, M.S. R.D.Registered Dietitian1023124138

Verify William Patrick Marshall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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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William Patrick Marshall among 436 endocrinology, diabetes & metabolism physician records in Illinois

William Patrick Marshall, MD is one of 436 endocrinology, diabetes & metabolism physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 62% newer
  • In a Medicare fileNo · 85% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2007 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Illinois

There are 436 endocrinology, diabetes & metabolism physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 436 in Illinois → Every provider in Danville → Endocrinology, Diabetes & Metabolism Physician nationwide →

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Toufic Abdo, MDChampaign, IL 618221962497032
  2. Shruti Dave, M.D.Champaign, IL 618221558387217
  3. Yasser Haider, M.D.Champaign, IL 618221063895746
  4. Surina KumarChampaign, IL 618221104271352
  5. John Stokes, M.D.Champaign, IL 618221376551085
  6. Paul Wilson, MDChampaign, IL 618221710084124
  7. Kingsley Onyemere, MDChampaign, IL 618211790798015
  8. Kathryn Wilson, MDChampaign, IL 618211598860512

Common questions

What is William Patrick Marshall, MD's NPI number?

William Patrick Marshall, MD's National Provider Identifier (NPI) is 1205943784, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Patrick Marshall, MD located?

The NPPES record lists a practice address at 1900 E Main St, Danville, IL, 61832. Phone: (217) 554-5080. Providers update this record themselves, so call before visiting.

How can I verify William Patrick Marshall, MD's license?

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.

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

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.