William Madsen, DMD
- Part D claims, 2024
- 28
- Industry payments
- $16
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1675 Bethany Rd, Sycamore, IL 60178
- Practice phone
- Call (815) 895-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Oral and Maxillo Facial Surgeons for Northern Illinois
Sycamore, Illinois
Find William Madsen'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.
William Madsen is a dentist in Sycamore, Illinois
William Madsen practices at Oral and Maxillo Facial Surgeons for Northern Illinois in Sycamore, Illinois.
William Madsen's NPI, 1992220305, was assigned on August 7, 2017. William Madsen holds Illinois license 019.031300.
- NPI
- 1992220305NPI Registry (opens in a new tab)
- NPI enumeration date
- August 7, 2017
- NPI status
- Active
- Practice phone
- (815) 895-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
William Madsen practices at Oral and Maxillo Facial Surgeons for Northern Illinois in Sycamore, Illinois
William Madsen's primary practice is Oral and Maxillo Facial Surgeons for Northern Illinois, at 1675 Bethany Rd, Sycamore, IL 60178 in Dekalb County. The practice phone is (815) 895-3000.
- Oral and Maxillo Facial Surgeons for Northern Illinois1675 Bethany Rd, Sycamore, IL 60178 · Dekalb CountyPhone(815) 895-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
William Madsen is affiliated with 2 sites of care and 1 medical group
William Madsen's primary practice is Oral and Maxillo Facial Surgeons for Northern Illinois in Sycamore, Illinois. Dmand AI also links William Madsen to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William Madsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Madsen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Oral and Maxillo Facial Surgeons for Northern Illinois | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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William Madsen is one of 1,844 dentists in Illinois
Dentist is William Madsen's primary specialty in the NPI Registry, under taxonomy code 122300000X. William Madsen is licensed in Illinois.
Specialties and state licenses
- Dentist, IllinoisPrimary
Dentists near William Madsen
Counts of dentists 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
William Madsen's patients have a median age of 17
Across all payers, Dmand AI patient panel data puts William Madsen's median patient age at 17, with 20% women.
William Madsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 17
Patient panel by sex, all payers
- Women20%
- Men80%
Source: Dmand AI Patient Panel Data
William Madsen wrote 28 Medicare Part D claims in 2024
In 2024, William Madsen wrote 28 Medicare Part D claims for 21 patients. 93% of them were for generic drugs.
William Madsen's Part D claims by kind of drug, 2024
- Generic26 claims93%
- Brand-name and other2 claims7%
Drug classes CMS tracks in William Madsen's Part D claims, 2024
- Antibiotics86%24 of 28 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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William Madsen received $16 in industry payments in 2025
CMS Open Payments shows 1 general payment to William Madsen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Elevate Oral Care paid the most, $16.
Companies that paid William Madsen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for William Madsen'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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 William Madsen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Madsen's NPI number?
William Madsen's NPI number is 1992220305. It was assigned on August 7, 2017, and it is active in the NPI Registry.
What does William Madsen specialize in?
William Madsen is a dentist in Sycamore, Illinois. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does William Madsen practice?
William Madsen practices at 1675 Bethany Rd, Sycamore, IL 60178. William Madsen's primary practice is Oral and Maxillo Facial Surgeons for Northern Illinois in Sycamore, Illinois. Dmand AI also links William Madsen to 1 group practice or clinic and 1 medical group.
What is William Madsen's office phone number?
The practice phone on file for William Madsen is (815) 895-3000.
What is William Madsen's medical license number?
William Madsen holds Illinois license 019.031300.
Has William Madsen received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to William Madsen from 1 company from 2025 to 2025. The largest total came from Elevate Oral Care.
How long has William Madsen been practicing?
William Madsen's NPI was assigned in 2017.
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