William Joseph Frericks, DDS
- Part D claims, 2024
- 55
- Industry payments
- $17
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 500 N Michigan Ave Ste 520 Suite 520, Chicago, IL 60611-3755
- Practice phone
- Call (312) 337-4424
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Magnificent Smile
Dental practice · Chicago, Illinois
Find William Frericks' 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 Joseph Frericks is a dentist in Chicago, Illinois
William Frericks practices at The Magnificent Smile in Chicago, Illinois.
William Frericks' NPI, 1427050608, was assigned on June 1, 2005.
- NPI
- 1427050608NPI Registry (opens in a new tab)
- NPI enumeration date
- June 1, 2005
- NPI status
- Active
- Practice phone
- (312) 337-4424
- 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)
William Joseph Frericks practices at The Magnificent Smile in Chicago, Illinois
William Frericks' primary practice is The Magnificent Smile, at 500 N Michigan Ave Ste 520 Suite 520, Chicago, IL 60611-3755. The practice phone is (312) 337-4424.
- The Magnificent Smile500 N Michigan Ave Ste 520 Suite 520, Chicago, IL 60611-3755Phone(312) 337-4424
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Joseph Frericks is affiliated with 1 site of care and 1 medical group
William Frericks' primary practice is The Magnificent Smile in Chicago, Illinois. Dmand AI also links William Frericks 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 William Joseph Frericks' practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Frericks practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Magnificent Smile | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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William Joseph Frericks is one of 1,844 dentists in Illinois
Dentist is William Frericks' primary specialty in the NPI Registry, under taxonomy code 122300000X. William Frericks has a license on file in Illinois.
Specialties and state licenses
- Dentist, Illinois
Dentists near William Frericks
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 Joseph Frericks wrote 55 Medicare Part D claims in 2024
In 2024, William Frericks wrote 55 Medicare Part D claims for 31 patients. 98% of them were for generic drugs.
William Frericks' Part D claims by kind of drug, 2024
- Generic54 claims98%
- Brand-name and other1 claims2%
Drug classes CMS tracks in William Frericks' Part D claims, 2024
- Antibiotics87%48 of 55 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
William Joseph Frericks received $17 in industry payments in 2025
CMS Open Payments shows 1 general payment to William Frericks 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, $17.
Companies that paid William Frericks 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 Joseph Frericks'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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Joseph Frericks
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 Joseph Frericks' NPI number?
William Joseph Frericks' NPI number is 1427050608. It was assigned on June 1, 2005, and it is active in the NPI Registry.
What does William Joseph Frericks specialize in?
William Joseph Frericks is a dentist in Chicago, Illinois. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does William Joseph Frericks practice?
William Frericks practices at 500 N Michigan Ave Ste 520 Suite 520, Chicago, IL 60611-3755. William Frericks' primary practice is The Magnificent Smile in Chicago, Illinois. Dmand AI also links William Frericks to 1 medical group.
What is William Joseph Frericks' office phone number?
The practice phone on file for William Frericks is (312) 337-4424.
Has William Joseph Frericks received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to William Frericks from 1 company from 2025 to 2025. The largest total came from Elevate Oral Care.
How long has William Joseph Frericks been practicing?
William Frericks' NPI was assigned in 2005.
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