Dr. Michael Gerard Guignon Sr., MD
- Medicare services, 2016
- 4,552
- Part D claims, 2024
- 71
- Industry payments
- $1,944
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 4550 Memorial Dr, Belleville, IL 62226-5372
- Practice phone
- Call (618) 239-9690
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Msa Alliance
Multi-specialty group site · Belleville, Illinois
Find Dr. Guignon's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael Gerard Guignon Sr. is a urologist in Granite City, Illinois
Dr. Guignon practices at Msa Alliance in Belleville, Illinois.
Dr. Guignon's NPI, 1700973674, was assigned on October 10, 2006. Dr. Guignon holds Illinois license 036075467.
- NPI
- 1700973674NPI Registry (opens in a new tab)
- NPI enumeration date
- October 10, 2006
- NPI status
- Active
- Practice phone
- (618) 239-9690
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Gerard Guignon Sr. practices in Belleville and Granite City
Dr. Guignon's primary practice is Msa Alliance, at 4550 Memorial Dr, Belleville, IL 62226-5372. The practice phone is (618) 239-9690. The NPI Registry lists Dr. Guignon's practice address as 2100 Madison Ave, Granite City, IL 62040.
- Msa AlliancePrimary4550 Memorial Dr, Belleville, IL 62226-5372Phone(618) 239-9690
- NPI Registry address2100 Madison Ave, Granite City, IL 62040 · Madison CountyPhone(618) 277-3109
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Michael Gerard Guignon Sr. is affiliated with 1 site of care and 1 medical group
Dr. Guignon's primary practice is Msa Alliance in Belleville, Illinois. Dmand AI also links Dr. Guignon to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Michael Gerard Guignon Sr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guignon practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Msa Alliance | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Gerard Guignon Sr. is one of 513 urologists in Illinois
Urology is Dr. Guignon's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Guignon is licensed in Illinois.
Specialties and state licenses
- Urology, IllinoisPrimary
Urologists near Dr. Guignon
Counts of urologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael Gerard Guignon Sr. billed Medicare for 4,552 services in 2016
CMS data shows 4,552 Medicare services from Dr. Guignon across 34 procedure codes in 2016. Medicare paid $215,734 for them.
Dr. Guignon's Medicare services by type, 2016
- Office and hospital visits1,810
- Lab and pathology1,449
- Surgery930
- Drugs given in the office253
- Imaging62
- Tests and treatments48
Where Dr. Guignon's Medicare services took place, 2016
- In an office3,95687%
- In a facility59613%
Dr. Guignon compared with the Illinois median for urologists, 2016
- Dr. Guignon
- Illinois median
- Medicare services
- 4,552vs 1,3233.4 times
- Part D claims
- 27vs 35892% below
Medians across 498 urologists in Illinois with Dmand AI profiles that report each measure.
Dr. Guignon's most billed Medicare procedure codes, 2016
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Guignon?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Guignon and other urologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Gerard Guignon Sr.'s patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Guignon's median patient age at 74, with 72% women.
Dr. Guignon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women72%
- Men28%
Source: Dmand AI Patient Panel Data
Dr. Michael Gerard Guignon Sr. wrote 71 Medicare Part D claims in 2024
In 2024, Dr. Guignon wrote 71 Medicare Part D claims. 66% of them were for generic drugs. CMS names the drug for 27 of them, across 2 drugs with 11 or more claims each, at $5,005 in total drug cost. In 2023, CMS named 47 claims across 4 drugs.
Dr. Guignon's Part D claims by kind of drug, 2024
- Generic47 claims66%
- Brand-name24 claims34%
Dr. Guignon's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 472024: 2743%
Drugs named by CMS: 2 in 2024, 4 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Michael Gerard Guignon Sr. received $1,944 in industry payments from 2016 to 2023
CMS Open Payments shows 81 general payments to Dr. Guignon from 20 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 97% of the total. Astellas Pharma US Inc paid the most, $545.
General payments to Dr. Guignon by program year, 2016 to 2023
General payments to Dr. Guignon by kind, 2016 to 2023
- Food and beverage$1,89497%
- Education$503%
Companies that paid Dr. Guignon the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Michael Gerard Guignon Sr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael Gerard Guignon Sr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael Gerard Guignon Sr.'s NPI number?
Dr. Michael Gerard Guignon Sr.'s NPI number is 1700973674. It was assigned on October 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Gerard Guignon Sr.?
Dr. Michael Gerard Guignon Sr. is a urologist in Granite City, Illinois. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Michael Gerard Guignon Sr. practice?
Dr. Guignon practices at 4550 Memorial Dr, Belleville, IL 62226-5372. Dr. Guignon also practices at 2100 Madison Ave, Granite City, IL 62040. Dr. Guignon's primary practice is Msa Alliance in Belleville, Illinois. Dmand AI also links Dr. Guignon to 1 medical group.
What is Dr. Michael Gerard Guignon Sr.'s office phone number?
The practice phone on file for Dr. Guignon is (618) 239-9690.
What is Dr. Michael Gerard Guignon Sr.'s medical license number?
Dr. Guignon holds Illinois license 036075467.
Does Dr. Michael Gerard Guignon Sr. accept Medicare?
Yes. CMS data shows Dr. Guignon billed Medicare for 4,552 services in 2016.
What services does Dr. Michael Gerard Guignon Sr. bill to Medicare?
In 2016, Dr. Guignon's most billed Medicare services were lab and pathology test (81003), office visit, established patient (99213) and hospital inpatient care (99231).
What drugs does Dr. Michael Gerard Guignon Sr. prescribe most?
In 2024 Medicare Part D data, Dr. Guignon's most prescribed drugs by claims were Rasagiline Mesylate and Carvedilol.
Has Dr. Michael Gerard Guignon Sr. received payments from drug or device companies?
CMS Open Payments shows $1,944 in general payments to Dr. Guignon from 20 companies from 2016 to 2023. The largest total came from Astellas Pharma US Inc.
How long has Dr. Michael Gerard Guignon Sr. been practicing?
Dr. Guignon's NPI was assigned in 2006.
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