Brian Daniel Sperber, DDS
- Part D claims, 2024
- 109
- Industry payments
- $53
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1112 Lincoln St, Kewaunee, WI 54216-1602
- Practice phone
- Call (920) 388-5200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mark A Letter
Dental practice · Kewaunee, Wisconsin
Find Brian Sperber'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.
Brian Daniel Sperber is a dentist in Kewaunee, Wisconsin
Brian Sperber practices at Mark A Letter in Kewaunee, Wisconsin.
Brian Sperber's NPI, 1962744474, was assigned on March 22, 2013. Brian Sperber holds Wisconsin license 7073-15.
- NPI
- 1962744474NPI Registry (opens in a new tab)
- NPI enumeration date
- March 22, 2013
- NPI status
- Active
- Practice phone
- (920) 388-5200
- 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)
Brian Daniel Sperber practices at Mark A Letter in Kewaunee, Wisconsin
Brian Sperber's primary practice is Mark A Letter, at 1112 Lincoln St, Kewaunee, WI 54216-1602. The practice phone is (920) 388-5200.
- Mark A Letter1112 Lincoln St, Kewaunee, WI 54216-1602Phone(920) 388-5200
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Brian Daniel Sperber is affiliated with 1 site of care and 1 medical group
Brian Sperber's primary practice is Mark A Letter in Kewaunee, Wisconsin. Dmand AI also links Brian Sperber 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 Brian Daniel Sperber's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Brian Sperber practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mark A Letter | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Brian Daniel Sperber is one of 797 dentists in Wisconsin
Dentist is Brian Sperber's primary specialty in the NPI Registry, under taxonomy code 122300000X. Brian Sperber is licensed in Wisconsin.
Specialties and state licenses
- Dentist, WisconsinPrimary
Dentists near Brian Sperber
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
Brian Daniel Sperber's patients have a median age of 20
Across all payers, Dmand AI patient panel data puts Brian Sperber's median patient age at 20, with 57% women.
Brian Sperber's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 20
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Brian Daniel Sperber wrote 109 Medicare Part D claims in 2024
In 2024, Brian Sperber wrote 109 Medicare Part D claims for 85 patients. 91% of them were for generic drugs.
Brian Sperber's Part D claims by kind of drug, 2024
- Generic99 claims91%
- Brand-name and other10 claims9%
Drug classes CMS tracks in Brian Sperber's Part D claims, 2024
- Antibiotics89%97 of 109 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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Brian Daniel Sperber received $53 in industry payments in 2025
CMS Open Payments shows 2 general payments to Brian Sperber from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Straumann USA LLC paid the most, $31.
Companies that paid Brian Sperber 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 Brian Daniel Sperber'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) |
| 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 Brian Daniel Sperber
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Brian Daniel Sperber's NPI number?
Brian Daniel Sperber's NPI number is 1962744474. It was assigned on March 22, 2013, and it is active in the NPI Registry.
What does Brian Daniel Sperber specialize in?
Brian Daniel Sperber is a dentist in Kewaunee, Wisconsin. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does Brian Daniel Sperber practice?
Brian Sperber practices at 1112 Lincoln St, Kewaunee, WI 54216-1602. Brian Sperber's primary practice is Mark A Letter in Kewaunee, Wisconsin. Dmand AI also links Brian Sperber to 1 medical group.
What is Brian Daniel Sperber's office phone number?
The practice phone on file for Brian Sperber is (920) 388-5200.
What is Brian Daniel Sperber's medical license number?
Brian Sperber holds Wisconsin license 7073-15.
Has Brian Daniel Sperber received payments from drug or device companies?
CMS Open Payments shows $53 in general payments to Brian Sperber from 2 companies from 2025 to 2025. The largest total came from Straumann USA LLC.
How long has Brian Daniel Sperber been practicing?
Brian Sperber's NPI was assigned in 2013.
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