Dr. David John Usher, MD
- Part D claims, 2024
- 342
- Hospital affiliations
- 1
- Industry payments
- $115
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 1221 Whipple St, Eau Claire, WI 54703
- Practice phone
- Call (715) 838-3311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Usher'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. David John Usher is a family medicine physician in Eau Claire, Wisconsin
Dr. Usher practices at Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin, part of Mayo Clinic.
Dr. Usher's NPI, 1336110170, was assigned on January 30, 2006. Dr. Usher holds Wisconsin license 40389.
- NPI
- 1336110170NPI Registry (opens in a new tab)
- NPI enumeration date
- January 30, 2006
- NPI status
- Active
- Practice phone
- (715) 838-3311
- 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 Affiliation Data
Dr. David John Usher practices at Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin
Dr. Usher's primary practice is Mayo Clinic Health System in Eau Claire, at 1221 Whipple St, Eau Claire, WI 54703 in Eau Claire County. The practice phone is (715) 838-3311.
- Mayo Clinic Health System in Eau Claire1221 Whipple St, Eau Claire, WI 54703 · Eau Claire CountyPhone(715) 838-3311
Source: Dmand AI Affiliation Data
Dr. David John Usher is affiliated with 2 sites of care
Dr. Usher's primary practice is Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin, part of Mayo Clinic. Dmand AI also links Dr. Usher to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David John Usher's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Usher practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Health System in Eau Claire | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David John Usher is one of 3,101 family medicine physicians in Wisconsin
Family medicine is Dr. Usher's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Usher is licensed in Wisconsin.
Specialties and state licenses
- Family medicine, WisconsinPrimary
Family medicine physicians near Dr. Usher
Counts of family medicine physicians 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. David John Usher's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Dr. Usher's median patient age at 46, with 60% women.
Dr. Usher's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. David John Usher wrote 342 Medicare Part D claims in 2024
In 2024, Dr. Usher wrote 342 Medicare Part D claims for 29 patients. 89% of them were for generic drugs. CMS names the drug for 140 of them, across 9 drugs with 11 or more claims each, at $24,532 in total drug cost. In 2023, CMS named 121 claims across 9 drugs.
Dr. Usher's Part D claims by kind of drug, 2024
- Generic306 claims89%
- Brand-name36 claims11%
Dr. Usher'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.
Drug classes CMS tracks in Dr. Usher's Part D claims, 2024
- Opioids6%22 of 342 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1212024: 14016%
Drugs named by CMS: 9 in 2024, 9 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. David John Usher received $115 in industry payments from 2018 to 2023
CMS Open Payments shows 3 general payments to Dr. Usher from 3 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 100% of the total. Neuronetics, Inc. paid the most, $87.
General payments to Dr. Usher by program year, 2018 to 2023
Companies that paid Dr. Usher the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. David John Usher'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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. David John Usher
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. David John Usher's NPI number?
Dr. David John Usher's NPI number is 1336110170. It was assigned on January 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David John Usher?
Dr. David John Usher is a family medicine physician in Eau Claire, Wisconsin. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. David John Usher practice?
Dr. Usher practices at 1221 Whipple St, Eau Claire, WI 54703. Dr. Usher's primary practice is Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin, part of Mayo Clinic. Dmand AI also links Dr. Usher to 1 physician office.
What is Dr. David John Usher's office phone number?
The practice phone on file for Dr. Usher is (715) 838-3311.
What is Dr. David John Usher's medical license number?
Dr. Usher holds Wisconsin license 40389.
Which hospitals is Dr. David John Usher affiliated with?
Dr. Usher practices at Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin.
What drugs does Dr. David John Usher prescribe most?
In 2024 Medicare Part D data, Dr. Usher's most prescribed drugs by claims were Metformin HCl ER, Ozempic and Tramadol HCl.
Has Dr. David John Usher received payments from drug or device companies?
CMS Open Payments shows $115 in general payments to Dr. Usher from 3 companies from 2018 to 2023. The largest total came from Neuronetics, Inc.
How long has Dr. David John Usher been practicing?
Dr. Usher's NPI was assigned in 2006.
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