NPPES file of Aug 9, 2026

William Alan Bishop

Surgery Physician · Mount Vernon, IL

William Alan Bishop is a surgery physician with a practice address in Mount Vernon, Illinois, and NPI 1235633389, issued on Mar 22, 2018. Check the license (Illinois 036172220, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235633389
Name
William Alan Bishop
Primary taxonomy
Surgery Physician 208600000X
License number
036172220 IL
Self-reported in NPPES; status is on the state search
Practice location
2 Good Samaritan Way Ste 235, Mount Vernon, IL 62864
Phone
(618) 899-3980
Enumerated
Mar 22, 2018
Record last updated
Dec 16, 2025
Medicare enrollment
Enrolled (PECOS I20241112002264); accepts Medicare assignment
Medical or professional school
University Of Virginia 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.
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Also registered at 2 Good Samaritan Way Ste 235

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

  1. Fariahh Fazil, FNP-BCNurse Practitioner1053954503
  2. Peter Wong, MDVascular Surgery Physician1952344509

Verify William Alan Bishop 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 036172220
    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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80% fewer Medicare Part D claims than the average surgery physician in 2024

29 Medicare Part D claims for 20 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 17 claims were for opioids.

  1. William Bishop29
  2. Specialty average147

Most prescribed

  1. Hydrocodone-Acetaminophen16 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): 95.5 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 score89.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,294.03

5 payments; by number, the most common kind was food and beverage; the largest payer was Tela Bio, 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. William Bishop$1,294.03
  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.

Bills Medicare through one group practice

  1. Physician Services Corporation OF Southern Illinois IncMount Vernon, IL

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

William Alan Bishop among 1,520 surgery physician records in Illinois

William Alan Bishop 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 2018, is newer than 68% of them.

  • NPI issued2018 · 68% of these records are older, 28% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2018 · median 2004 among the 650 with a school on file
  • Record last updated2025 · 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).

10 surgery physician records list a practice address in Mount Vernon

They are 10 of the 578 NPPES records with a practice address in Mount Vernon, and 1,520 surgery physician records in Illinois.

The 8 surgery physician records with the nearest ZIP codes

  1. Naresh Ahuja, MDMount Vernon, IL 628641013174598
  2. Kevin Claffey, M.D.Mount Vernon, IL 628641144226085
  3. Alan Harad, M.D.Mount Vernon, IL 628641679579510
  4. Lawrence Hollander, MD, FACSMount Vernon, IL 628641912959578
  5. Andrew Johnson, M.D.Mount Vernon, IL 628641164418943
  6. Udaya Liyanage, MDMount Vernon, IL 628641972548287
  7. Danilo Martins, M.D.Mount Vernon, IL 628641881031144
  8. Kimberly Miller-Hammond, MDMount Vernon, IL 628641164665428

Common questions

What is William Alan Bishop's NPI number?

William Alan Bishop's National Provider Identifier (NPI) is 1235633389, issued on Mar 22, 2018. An NPI identifies a provider in billing; it is not a license.

Where is William Alan Bishop located?

The NPPES record lists a practice address at 2 Good Samaritan Way Ste 235, Mount Vernon, IL, 62864. Phone: (618) 899-3980. Providers update this record themselves, so call before visiting.

How can I verify William Alan Bishop's license?

NPPES lists Illinois license number 036172220, 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 William Alan Bishop prescribe under Medicare Part D?

In 2024, William Alan Bishop had 29 Medicare Part D claims for 20 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

What is William Alan Bishop's MIPS final score?

The 2023 MIPS final score is 95.5 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.