BRIAN J FREDERICK M.D.
NPI 1992025605
Hospitalist in Eau Claire, WI

Q: What is Brian Frederick's NPI number?

The NPI number for Brian Frederick is 1992025605. It was assigned to this individual provider in the NPPES registry on June 3, 2010.

Q: What is Brian Frederick's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Brian Frederick was last updated on October 4, 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 June 03, 2010PECOS EnrolledAccepts Medicare Assignment

1221 WHIPPLE ST, EAU CLAIRE, WI 54703(715) 838-5222 Get Directions Write a Review

NPPES record last updated: October 4, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 4, 2022, May 18, 2022, Nov 12, 2020 (3 updates tracked since 2020).

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About Brian J Frederick M.d. NPPES

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

BRIAN J FREDERICK M.D. (NPI 1992025605) is an individual hospitalist provider in Eau Claire, Wisconsin, licensed in Wisconsin (61029-20) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Health System Eau Claire Hospital, and maintains a secondary practice location in Madison.

NPPES Registry Identity

NPI1992025605

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameBRIAN J FREDERICKCredential: M.D.

Location Address1221 WHIPPLE STEau Claire, WI 54703-5200

Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511

Phone(715) 838-5222

Sole ProprietorNo

Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2010

Enumeration DateJune 3, 2010

Last NPPES UpdateOctober 4, 20223 updates tracked since enumeration

NPPES CertifiedOctober 4, 2022

✔ NPI 1992025605 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in WI · 61029-20

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

1221 WHIPPLE ST, Eau Claire, WI 54703

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Secondary Practice Location 1

Location 1700 S Park StMadison, WI 53715-1830 · Phone (608) 251-6100 · Fax (608) 258-6259

Other Identifiers 1

Medicaid1992025605WI

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

Brian J Frederick M.d. 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 ID6103054465

PECOS Enrollment IDI20140113000372

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 Reassignment

Medicare enrollment records show Brian Frederick reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

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

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 6

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

490 services170 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

99 services96 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

93 services65 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

89 services55 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

45 services44 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

33 services22 patients

Hospital Affiliations CMS Care Compare 4

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 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

$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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

2 suppliers12 claims12 services$30.54 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

KATHY L MCNALLY CRNA

Nurse Anesthetist, Certified Registered