MARK CHRISTIAN BILDSOE MD
NPI 1912978529
Radiology - Diagnostic Radiology in Eau Claire, WI

Q: What is Mark Bildsoe's NPI number?

The NPI number for Mark Bildsoe is 1912978529. It was assigned to this individual provider in the NPPES registry on January 31, 2006.

Q: What is Mark Bildsoe's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Mark Bildsoe was last updated on July 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.

Active since January 31, 2006PECOS EnrolledAccepts Medicare Assignment

1400 BELLINGER ST, EAU CLAIRE, WI 54703(715) 838-5222 Get Directions Write a Review

NPPES record last updated: July 22, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 22, 2022, Sep 11, 2020, May 20, 2019 (3 updates tracked since 2019).

On this page

About Mark Christian Bildsoe Md NPPES

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

MARK CHRISTIAN BILDSOE MD (NPI 1912978529) is an individual diagnostic radiology provider in Eau Claire, Wisconsin, licensed in Wisconsin (35689) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Health System Eau Claire Hospital, and is a graduate of University Of Minnesota Medical School (1988).

NPPES Registry Identity

NPI1912978529

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameMARK CHRISTIAN BILDSOECredential: MD

Location Address1400 BELLINGER STEau Claire, WI 54703-5222

Mailing Address200 1st St SwRochester, MN 55905-0001 · (715) 838-5222

Phone(715) 838-5222

Sole ProprietorNo

Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 1988

Enumeration DateJanuary 31, 2006

Last NPPES UpdateJuly 22, 20223 updates tracked since enumeration

NPPES CertifiedJuly 22, 2022

✔ NPI 1912978529 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in WI · 35689

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

1400 BELLINGER ST, Eau Claire, WI 54703

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark Christian Bildsoe 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 ID2567458458

PECOS Enrollment IDI20040424000384

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.

Medicare Billing Reassignments

Medicare enrollment records show Mark Bildsoe reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mayo Clinic Health System-Northwest Wisconsin Region, Inc.

1.4 mi

Multi-Specialty

733 W CLAIREMONT AVE
Eau Claire, WI 54701

Reassigned Medicare billing, Wisconsin enrollment
Also billed through NPI 1154372944 (Wisconsin), NPI 1700837812 (Wisconsin), NPI 1912958026 (Wisconsin), NPI 1740239557 (Wisconsin)
1,248 clinicians in this Medicare group

NPI 1235588831 (715) 838-5222

Mayo Clinic Health System-Lake City

45 mi

Multi-Specialty

500 W GRANT ST
Lake City, MN 55041

Reassigned Medicare billing, Minnesota and Wisconsin enrollments
819 clinicians in this Medicare group

NPI 1164463659 (651) 345-3321

Mayo Clinic Health System-Southeast Minnesota Region

54 mi

Multi-Specialty

701 HEWITT BLVD
Red Wing, MN 55066

Reassigned Medicare billing, Minnesota and Wisconsin enrollments
1,571 clinicians in this Medicare group

NPI 1114453883 (651) 267-5000

Mayo Clinic Health System-Southwest Wisconsin Region, Inc.

71 mi

Multi-Specialty

800 WEST AVE S
La Crosse, WI 54601

Reassigned Medicare billing, Wisconsin enrollment
1,003 clinicians in this Medicare group

NPI 1629056049 (608) 392-3861

Mayo Clinic Health System-Southwest Minnesota Region

103 mi

Multi-Specialty

301 2ND ST NE
New Prague, MN 56071

Reassigned Medicare billing, Wisconsin enrollment
45 clinicians in this Medicare group

NPI 1477089407 (952) 758-4431

Mayo Clinic Health System-St James

163 mi

Multi-Specialty

1101 MOULTON AND PARSONS DR
Saint James, MN 56081

Reassigned Medicare billing, Wisconsin enrollment
34 clinicians in this Medicare group

NPI 1023177730 (507) 375-3261

Mayo Clinic Health System-Fairmont

167 mi

Multi-Specialty

800 MEDICAL CENTER DR
Fairmont, MN 56031

Reassigned Medicare billing, Wisconsin enrollment
35 clinicians in this Medicare group

NPI 1366410862 (507) 238-8100

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Screening mammography 77067

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

685 services685 patients

Screening 3d breast mammography 77063

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

676 services676 patients

Screening mammography 77067

158 services158 patients

Screening 3d breast mammography 77063

153 services153 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

80 services80 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

65 services64 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

63 services45 patients

Diagnostic mammography of 1 breast 77065

Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.

39 services39 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

38 services38 patients

Limited ultrasound scan of 1 breast 76642

A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.

33 services33 patients

X-ray of chest, 2 views 71046

22 services22 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

21 services19 patients

X-ray of shoulder, minimum of 2 views 73030

15 services15 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

13 services13 patients

X-ray of hip, 2-3 views 73502

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Mayo Clinic Health System Eau Claire Hospital

Acute Care Hospitals · Eau Claire, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520070

Location1221 Whipple StEau Claire, WI 54703 · Eau Claire County

Emergency services Birthing friendly

Mayo Clinic Health System Oakridge

Critical Access Hospitals · Osseo, WI

OwnershipVoluntary non-profit - Other

CMS Certification Number521302

Location13025 8th StOsseo, WI 54758 · Trempealeau County

Emergency services

Mayo Clinic Health System Chippewa Valley

Critical Access Hospitals · Bloomer, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521314

Location1501 Thompson StBloomer, WI 54724 · Chippewa County

Emergency services

Mayo Clinic Health System-Northland

Critical Access Hospitals · Barron, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number521315

Location1222 E Woodland AveBarron, WI 54812 · Barron County

Emergency services

Mayo Clinic Health System-Red Cedar Inc

Critical Access Hospitals · Menomonie, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number521340

Location2321 Stout RdMenomonie, WI 54751 · Dunn County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54703 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

$82.92 typical visit price

range $53.90 – $163.24

Typical copayment $20.73 (range $13.47 – $40.81)

Most-billed visit code 99203

Established Patient

$67.37 typical visit price

range $17.40 – $133.76

Typical copayment $16.84 (range $4.35 – $33.44)

Most-billed visit code 99213

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.

ELLEN A CHRISTENSEN OT

Occupational Therapist