Dr. Brian H. Ewert, MD
- Medicare services, 2023
- 315
- Part D claims, 2024
- 33
- Hospital affiliations
- 3
- Medical groups
- 3
- State license
- 1
- Practice address
- 611 St Joseph Ave, Marshfield, WI 54449
- Practice phone
- Call (715) 387-9963
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Brian H. Ewert is a nephrologist in Marshfield, Wisconsin
Dr. Ewert practices at Marshfield Medical Center - Marshfield in Marshfield, Wisconsin, part of Sanford Health.
Dr. Ewert's NPI, 1306946256, was assigned on September 22, 2006. Dr. Ewert graduated from Northwestern University Feinberg Medical School in 1985. Dr. Ewert holds Wisconsin license 32983.
- NPI
- 1306946256NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537117361
- NPI enumeration date
- September 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (715) 387-9963
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian H. Ewert practices at Marshfield Medical Center - Marshfield in Marshfield, Wisconsin
Dr. Ewert's primary practice is Marshfield Medical Center - Marshfield, at 611 St Joseph Ave, Marshfield, WI 54449 in Wood County. The practice phone is (715) 387-9963.
- Marshfield Medical Center - Marshfield611 St Joseph Ave, Marshfield, WI 54449 · Wood CountyPhone(715) 387-9963
Source: Dmand AI Affiliation Data
Dr. Brian H. Ewert is affiliated with 6 sites of care and 3 medical groups
Dr. Ewert's primary practice is Marshfield Medical Center - Marshfield in Marshfield, Wisconsin, part of Sanford Health. Dr. Ewert is also affiliated with Marshfield Medical Center - Minocqua. The medical group on file is Marshfield Clinic Health System. Dmand AI also links Dr. Ewert to 1 more hospital, 3 group practices and clinics and 2 medical groups, each named with a free account. Dr. Ewert's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brian H. Ewert's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ewert practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marshfield Medical Center - Marshfield | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brian H. Ewert is one of 168 nephrologists in Wisconsin
Nephrology is Dr. Ewert's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Ewert is licensed in Wisconsin.
Specialties and state licenses
- Nephrology, WisconsinPrimary
Nephrologists near Dr. Ewert
Counts of nephrologists 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. Brian H. Ewert billed Medicare for 315 services in 2023
CMS data shows 315 Medicare services from Dr. Ewert across 4 procedure codes in 2023. Medicare paid $19,458 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ewert's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Tests and treatments
- 2022: 2572023: 20919%
- Office and hospital visits
- 2022: 1122023: 1065%
Dr. Ewert compared with the Wisconsin median for nephrologists, 2023
- Dr. Ewert
- Wisconsin median
- Medicare services
- 315vs 67753% below
- Part D claims
- 25vs 65196% below
Medians across 167 nephrologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Ewert's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ewert and other nephrologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian H. Ewert's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Ewert's median patient age at 63, with 47% women.
Dr. Ewert's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women47%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. Brian H. Ewert wrote 33 Medicare Part D claims in 2024
In 2024, Dr. Ewert wrote 33 Medicare Part D claims for 13 patients. 91% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $208 in total drug cost. In 2022, CMS named 260 claims across 12 drugs.
Dr. Ewert's Part D claims by kind of drug, 2024
- Generic30 claims91%
- Brand-name and other3 claims9%
Dr. Ewert's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 2602023: 2590%
Drugs named by CMS: 2 in 2023, 12 in 2022.
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
How Dr. Brian H. Ewert takes part in Medicare
Dr. Ewert accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Brian H. Ewert graduated from Northwestern University Feinberg Medical School
Dr. Ewert graduated from Northwestern University Feinberg Medical School in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brian H. Ewert'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Brian H. Ewert
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. Brian H. Ewert's NPI number?
Dr. Brian H. Ewert's NPI number is 1306946256. It was assigned on September 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian H. Ewert?
Dr. Brian H. Ewert is a nephrologist in Marshfield, Wisconsin. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Brian H. Ewert practice?
Dr. Ewert practices at 611 St Joseph Ave, Marshfield, WI 54449. Dr. Ewert's primary practice is Marshfield Medical Center - Marshfield in Marshfield, Wisconsin, part of Sanford Health. Dmand AI also links Dr. Ewert to 1 hospital, 3 group practices and clinics and 2 medical groups.
What is Dr. Brian H. Ewert's office phone number?
The practice phone on file for Dr. Ewert is (715) 387-9963.
What is Dr. Brian H. Ewert's medical license number?
Dr. Ewert holds Wisconsin license 32983.
Which hospitals is Dr. Brian H. Ewert affiliated with?
Dr. Ewert practices at Marshfield Medical Center - Marshfield in Marshfield, Wisconsin. Dr. Ewert is also affiliated with Marshfield Medical Center - Minocqua. Dmand AI links Dr. Ewert to 1 more hospital.
What medical group is Dr. Brian H. Ewert part of?
Dr. Ewert is linked to Marshfield Clinic Health System. Dmand AI links Dr. Ewert to 2 more medical groups.
Does Dr. Brian H. Ewert accept Medicare?
Yes. CMS data shows Dr. Ewert billed Medicare for 315 services in 2023, and Dr. Ewert accepts Medicare assignment.
What services does Dr. Brian H. Ewert bill to Medicare?
In 2023, Dr. Ewert's most billed Medicare services were dialysis (90935), dialysis (90945) and hospital inpatient care (99232).
Where did Dr. Brian H. Ewert go to medical school?
Dr. Ewert graduated from Northwestern University Feinberg Medical School in 1985.
What drugs does Dr. Brian H. Ewert prescribe most?
In 2023 Medicare Part D data, Dr. Ewert's most prescribed drugs by claims were Prednisone and Furosemide.
How long has Dr. Brian H. Ewert been practicing?
Dr. Ewert graduated from medical school in 1985, 41 years ago.
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