JAMES ROBERT BAER MD
NPI 1275531493
Radiology - Radiation Oncology in Eau Claire, WI

Active since July 12, 2005PECOS EnrolledAccepts Medicare Assignment
1400 BELLINGER STREET, EAU CLAIRE, WI 54703(715) 838-5222 Get Directions Write a Review

NPPES record last updated: September 16, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 16, 2025, Jun 26, 2025, Sep 5, 2024 (3 updates tracked since 2024).

About James Robert Baer Md NPPES

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

JAMES ROBERT BAER MD (NPI 1275531493) is an individual radiation oncology provider in Eau Claire, Wisconsin, licensed in New York (275657) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center - Rice Lake, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1275531493
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameJAMES ROBERT BAERCredential: MD
Location Address1400 BELLINGER STREETEau Claire, WI 54703
Mailing AddressPo Box 860912Minneapolis, MN 55486-0912 · (507) 284-2511
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 1996
Enumeration DateJuly 12, 2005
Last NPPES UpdateSeptember 16, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2025
NPI 1275531493 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Licenses Licensed in NY · 275657 Licensed in WI · 84335
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
1400 BELLINGER STREET, Eau Claire, WI 54703

Secondary Practice Locations 3

Location 1515 Main StOlean, NY 14760-1513 · Phone (716) 373-2600 · Fax (716) 373-5187
Location 21700 W Stout StRice Lake, WI 54868-5000 · Phone (715) 236-4450
Location 3200 1st St SWRochester, MN 55905-5000 · Phone (507) 284-2511

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

James Robert Baer 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 ID7618979949
PECOS Enrollment IDI20240904000026
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.

Areas of Expertise CMS Part B claims 16

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.

Ct guidance for insertion of radiation therapy fields 77014
CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.
494 services42 patients
Calculation of radiation therapy dose 77300
Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.
137 services44 patients
Radiation treatment management, 5 treatment sessions 77427
Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.
132 services45 patients
Design and construction of complex radiation treatment device 77334
The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.
79 services38 patients
Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002
Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.
78 services12 patients
Complex radiation therapy planning 77263
Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.
47 services47 patients

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 - Rice Lake

Acute Care Hospitals · Rice Lake, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520011
Location1700 West Stout StreetRice Lake, WI 54868 · Barron County
Emergency services Birthing friendly

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

Marshfield Medical Center - Eau Claire

Acute Care Hospitals · Eau Claire, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520210
Location2310 Craig RdEau Claire, WI 54701 · Eau Claire County
Emergency services Birthing friendly

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
$163.24 typical visit price
range $53.90 – $163.24
Typical copayment $40.81 (range $13.47 – $40.81)
Most-billed visit code 99205
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.

Nurse Practitioner
1400 BELLINGER STREET
EAU CLAIRE, WI 54703
Obstetrics & Gynecology
1400 BELLINGER STREET
EAU CLAIRE, WI 54703
Nurse Practitioner
1400 BELLINGER STREET
EAU CLAIRE, WI 54703
Nurse Anesthetist, Certified Registered
1400 BELLINGER STREET
EAU CLAIRE, WI 54703
Physical Therapist
1400 BELLINGER STREET
EAU CLAIRE, WI 54703
Dermatology
1400 BELLINGER STREET
EAU CLAIRE, WI 54703
Physician Assistant
1400 BELLINGER STREET
EAU CLAIRE, WI 54703
Anesthesiology
1400 BELLINGER STREET
EAU CLAIRE, WI 54703

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 James Baer's NPI number?

The NPI number for James Baer is 1275531493. It was assigned to this individual provider in the NPPES registry on July 12, 2005.

Where is James Baer located?

James Baer practices at 1400 Bellinger Street, Eau Claire, WI 54703. The listed phone number is (715) 838-5222.

What is James Baer's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is James Baer enrolled in Medicare?

Yes. James Baer 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 James Baer accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 5 other insurers list James Baer 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 James Baer affiliated with any hospitals?

According to CMS data, James Baer is affiliated with Marshfield Medical Center - Rice Lake, Mayo Clinic Health System Eau Claire Hospital and Marshfield Medical Center - Eau Claire.

When was this NPI record last updated?

The NPPES record for James Baer was last updated on September 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.