NPPES file of Aug 9, 2026

James C. Clanahan, MD

Surgery Physician · Shiloh, IL

James C. Clanahan, MD is a surgery physician with a practice address in Shiloh, Illinois, and NPI 1770531956, issued on May 4, 2006. Check the license (Illinois 036076994, 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
1770531956
Name
James C. Clanahan
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License number
036076994 IL
Self-reported in NPPES; status is on the state search
Practice location
1414 Cross Street, Shiloh, IL 62269
Phone
(618) 277-7400
Enumerated
May 4, 2006
Record last updated
Mar 21, 2024
Fax
(618) 277-7422
Medicaid ID
036076994 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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Also registered at 1414 Cross Street

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

  1. Douglas Aach, MDSurgery Physician1508817040
  2. Kevin Barnett, MDSurgery Physician1932166030
  3. Michael Bergom, MDSurgery Physician1801814108
  4. Paul Loethen, MDSurgery Physician1053595538
  5. Thomas Luong, MDSurgery Physician1376713826
  6. Scott Schwiesow, MDSurgery Physician1164834024

Verify James C. Clanahan 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 036076994
    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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87% fewer Medicare Part D claims than the average surgery physician in 2024

19 Medicare Part D claims for 17 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. 18 claims were for opioids.

  1. James Clanahan19
  2. Specialty average147

Most prescribed

  1. Oxycodone Hcl16 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: $129.92

2 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, 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. James Clanahan$129.92
  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.

James C. Clanahan among 1,520 surgery physician records in Illinois

James C. Clanahan, 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 fileNo · 43% of these records are
  • Record last updated2024 · 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).

11 surgery physician records list a practice address in Shiloh

They are 11 of the 181 NPPES records with a practice address in Shiloh, and 1,520 surgery physician records in Illinois.

The 8 surgery physician records with the nearest ZIP codes

  1. Douglas Aach, MDShiloh, IL 622691508817040
  2. Kevin Barnett, MDShiloh, IL 622691932166030
  3. Michael Bergom, MDShiloh, IL 622691801814108
  4. Donald Crouch, M.D.Shiloh, IL 622691619925880
  5. Lyman Hale, M.D., M.S.Shiloh, IL 622691619298940
  6. Paul Loethen, MDShiloh, IL 622691053595538
  7. Thomas Luong, MDShiloh, IL 622691376713826
  8. Michael Pulsipher, DOShiloh, IL 622691366061731

Common questions

What is James C. Clanahan, MD's NPI number?

James C. Clanahan, MD's National Provider Identifier (NPI) is 1770531956, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James C. Clanahan, MD located?

The NPPES record lists a practice address at 1414 Cross Street, Shiloh, IL, 62269. Phone: (618) 277-7400. Providers update this record themselves, so call before visiting.

How can I verify James C. Clanahan, MD's license?

NPPES lists Illinois license number 036076994, 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 C. Clanahan, MD prescribe under Medicare Part D?

In 2024, James C. Clanahan, MD had 19 Medicare Part D claims for 17 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.