Michael Guignon, M.D.
Internal Medicine Physician · Shiloh, IL
Michael Guignon, M.D. is an internal medicine physician with a practice address in Shiloh, Illinois, and NPI 1942542931, issued on Mar 18, 2013. Check the license (Illinois 036140835, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Michael Guignon
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036140835 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1414 Cross St Ste 230, Shiloh, IL 62269
- Phone
- (618) 607-1260
- Enumerated
- Mar 18, 2013
- Entity
- Type 1 · individual
Also registered at 1414 Cross St Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Dizes, PA-CPhysician Assistant1871686790
- Lindsey Erickson, NPNurse Practitioner1083352389
- Kelly Evans, FNPNurse Practitioner1508341181
- Robert Garner, DOFamily Medicine Physician1285612242
- James Hitchcock, D.O.Family Medicine Physician1295725174
- Tiffany Hostert, FNPNurse Practitioner1467128363
Verify Michael Guignon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036140835Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3.1 times the Medicare Part D claims of the average internal medicine physician in 2024
9,894 Medicare Part D claims for 638 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 357 claims were for opioids.
Most prescribed
- Atorvastatin Calcium486 claims
- Amlodipine Besylate372 claims
- Levothyroxine Sodium364 claims
- Lisinopril318 claims
- Losartan Potassium297 claims
- Meloxicam293 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: $1,803.88
114 payments, mostly food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Fairview Heights Medical Group SCAlton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
3 internal medicine physician records list a practice address in Shiloh
They are 3 of the 181 NPPES records with a practice address in Shiloh, and 7,238 internal medicine physician records in Illinois.
All 3 in Shiloh → All 7,238 in Illinois → Every provider in Shiloh →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Elmer Abbo, MDBurr Ridge, IL1710048541
- Paul Abbo, M.D.River Forest, IL1083693378
Common questions
What is Michael Guignon, M.D.'s NPI number?
Michael Guignon, M.D.'s National Provider Identifier (NPI) is 1942542931, issued on Mar 18, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Michael Guignon, M.D. located?
The NPPES record lists a practice address at 1414 Cross St Ste 230, Shiloh, IL, 62269. Phone: (618) 607-1260. Providers update this record themselves, so call before visiting.
How can I verify Michael Guignon, M.D.'s license?
NPPES lists Illinois license number 036140835, 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 Michael Guignon, M.D. prescribe under Medicare Part D?
In 2024, Michael Guignon, M.D. had 9,894 Medicare Part D claims for 638 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.