BRIAN H EWERT MD
NPI 1306946256
Internal Medicine - Nephrology in Marshfield, WI

Active since September 22, 2006PECOS EnrolledAccepts Medicare Assignment
1000 N OAK AVE, MARSHFIELD, WI 54449(715) 387-5345 Get Directions Write a Review

NPPES record last updated: March 10, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 10, 2025, Oct 15, 2020 (2 updates tracked since 2020).

About Brian H Ewert Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BRIAN H EWERT MD (NPI 1306946256) is an individual nephrology provider in Marshfield, Wisconsin, licensed in Wisconsin (32983) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center, and is a graduate of Northwestern University Feinberg Medical School (1985).

NPPES Registry Identity

NPI1306946256
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameBRIAN H EWERTCredential: MD
Location Address1000 N OAK AVEMarshfield, WI 54449
Mailing Address1000 N Oak AveMarshfield, WI 54449-5777
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1985
Enumeration DateSeptember 22, 2006
Last NPPES UpdateMarch 10, 20252 updates tracked since enumeration
NPPES CertifiedMarch 10, 2025
NPI 1306946256 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in WI · 32983
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
1000 N OAK AVE, Marshfield, WI 54449

Other Identifiers 1

Medicaid31805100WI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Brian H Ewert Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537117361
PECOS Enrollment IDI20050110000044
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Marshfield Medical Center

Acute Care Hospitals · Marshfield, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520037
Location611 St Joseph AveMarshfield, WI 54449 · Wood County
Emergency services Birthing friendly

Marshfield Medical Center - Minocqua

Acute Care Hospitals · Minocqua, WI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520212
Location9576 Highway 70Minocqua, WI 54548 · Oneida County
Emergency services Birthing friendly

Flambeau Hospital

Critical Access Hospitals · Park Falls, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521325
Location98 Sherry AvePark Falls, WI 54552 · Price County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54449 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology
1000 N OAK AVE
MARSHFIELD, WI 54449
Nurse Practitioner
1000 N OAK AVE
MARSHFIELD, WI 54449
Dietitian, Registered
1000 N OAK AVE
MARSHFIELD, WI 54449
Physician Assistant
1000 N OAK AVE
MARSHFIELD, WI 54449
Nurse Anesthetist, Certified Registered
1000 N OAK AVE
MARSHFIELD, WI 54449
Internal Medicine
1000 N OAK AVE
MARSHFIELD, WI 54449
Radiology (Vascular & Interventional Radiology)
1000 N OAK AVE
MARSHFIELD, WI 54449
Nurse Practitioner
1000 N OAK AVE
MARSHFIELD, WI 54449

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Brian Ewert's NPI number?

The NPI number for Brian Ewert is 1306946256. It was assigned to this individual provider in the NPPES registry on September 22, 2006.

Where is Brian Ewert located?

Brian Ewert practices at 1000 N Oak Ave, Marshfield, WI 54449. The listed phone number is (715) 387-5345.

What is Brian Ewert's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Brian Ewert enrolled in Medicare?

Yes. Brian Ewert is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Brian Ewert accept?

Health plans from Anthem Blue Cross and Blue Shield, HealthPartners, Medica and Sanford Health Plan list Brian Ewert as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Brian Ewert affiliated with any hospitals?

According to CMS data, Brian Ewert is affiliated with Marshfield Medical Center, Marshfield Medical Center - Minocqua and Flambeau Hospital.

When was this NPI record last updated?

The NPPES record for Brian Ewert was last updated on March 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.