Dr. Brian J. Frederick, MD
- Medicare services, 2024
- 906
- Medicare patients, 2024
- 238
- Part D claims, 2024
- 774
- Hospital affiliations
- 3
- Medical group
- 1
- Practice address
- 1221 Whipple St, Eau Claire, WI 54703
- Practice phone
- Call (715) 838-3311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Brian J. Frederick is a hospitalist in Eau Claire, Wisconsin
Dr. Frederick practices at Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin, part of Mayo Clinic.
Dr. Frederick's NPI, 1992025605, was assigned on June 3, 2010. Dr. Frederick graduated from University of Wisconsin School of Medicine in 2010. Dr. Frederick holds Wisconsin license 61029-20.
- NPI
- 1992025605NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103054465
- NPI enumeration date
- June 3, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (715) 838-3311
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian J. Frederick practices at Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin
Dr. Frederick's primary practice is Mayo Clinic Health System in Eau Claire, at 1221 Whipple St, Eau Claire, WI 54703 in Eau Claire County. The practice phone is (715) 838-3311.
- Mayo Clinic Health System in Eau Claire1221 Whipple St, Eau Claire, WI 54703 · Eau Claire CountyPhone(715) 838-3311
Source: Dmand AI Affiliation Data
Dr. Brian J. Frederick is affiliated with 3 sites of care and 1 medical group
Dr. Frederick's primary practice is Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin, part of Mayo Clinic. Dr. Frederick is also affiliated with Mayo Clinic Health System in Menomonie. The medical group on file is Mayo Clinic Health System in Eau Claire. Dmand AI also links Dr. Frederick to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brian J. Frederick's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Frederick practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Health System in Eau Claire | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brian J. Frederick is one of 773 hospitalists in Wisconsin
Hospitalist is Dr. Frederick's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Frederick is licensed in Wisconsin.
Specialties and state licenses
- Hospitalist, WisconsinPrimary
Hospitalists near Dr. Frederick
Counts of hospitalists 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 J. Frederick billed Medicare for 906 services in 2024
CMS data shows 906 Medicare services from Dr. Frederick across 7 procedure codes in 2024, for 238 Medicare patients. Medicare paid $68,122 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Frederick's Medicare services by type, 2024
- Office and hospital visits849
- Other services57
Dr. Frederick compared with the Wisconsin median for hospitalists, 2024
- Dr. Frederick
- Wisconsin median
- Medicare services
- 906vs 3572.5 times
- Medicare patients
- 238vs 16544% above
- Part D claims
- 369vs 784.7 times
Medians across 743 hospitalists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Frederick's most billed Medicare procedure codes, 2024
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian J. Frederick treated 238 Medicare patients in 2024, average age 74
CMS counts 238 Medicare patients who saw Dr. Frederick in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 35% are also on Medicaid. Their average risk score is 2.81, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Frederick's median patient age at 68, with 50% women.
Dr. Frederick's Medicare patients by age, 2024
Dr. Frederick's Medicare patients by sex, 2024
- Women12251%
- Men11649%
Chronic conditions among Dr. Frederick's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Arthritis55%
- Heart failure53%
- Chronic kidney disease51%
- Mood disorders48%
- Anxiety47%
- Depression46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Frederick's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brian J. Frederick wrote 774 Medicare Part D claims in 2024
In 2024, Dr. Frederick wrote 774 Medicare Part D claims for 134 patients. 87% of them were for generic drugs. CMS names the drug for 369 of them, across 18 drugs with 11 or more claims each, at $18,958 in total drug cost.
Dr. Frederick's Part D claims by kind of drug, 2024
- Generic674 claims87%
- Brand-name and other100 claims13%
Dr. Frederick's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Frederick's Part D claims, 2024
- Opioids2%19 of 774 claims
- Antibiotics6%48 of 774 claims
- Antipsychotics, patients 65 and over2%14 of 774 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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 J. Frederick takes part in Medicare
Dr. Frederick 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 J. Frederick graduated from University of Wisconsin School of Medicine
Dr. Frederick graduated from University of Wisconsin School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brian J. Frederick'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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 J. Frederick
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 J. Frederick's NPI number?
Dr. Brian J. Frederick's NPI number is 1992025605. It was assigned on June 3, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian J. Frederick?
Dr. Brian J. Frederick is a hospitalist in Eau Claire, Wisconsin. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Brian J. Frederick practice?
Dr. Frederick practices at 1221 Whipple St, Eau Claire, WI 54703. Dr. Frederick's primary practice is Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin, part of Mayo Clinic. Dmand AI also links Dr. Frederick to 1 hospital.
What is Dr. Brian J. Frederick's office phone number?
The practice phone on file for Dr. Frederick is (715) 838-3311.
What is Dr. Brian J. Frederick's medical license number?
Dr. Frederick holds Wisconsin license 61029-20.
Which hospitals is Dr. Brian J. Frederick affiliated with?
Dr. Frederick practices at Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin. Dr. Frederick is also affiliated with Mayo Clinic Health System in Menomonie. Dmand AI links Dr. Frederick to 1 more hospital.
What medical group is Dr. Brian J. Frederick part of?
Dr. Frederick is linked to Mayo Clinic Health System in Eau Claire.
Does Dr. Brian J. Frederick accept Medicare?
Yes. CMS data shows Dr. Frederick billed Medicare for 906 services in 2024, and Dr. Frederick accepts Medicare assignment.
How many Medicare patients does Dr. Brian J. Frederick see?
CMS counts 238 Medicare patients who saw Dr. Frederick in 2024, with an average age of 74.
What services does Dr. Brian J. Frederick bill to Medicare?
In 2024, Dr. Frederick's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99232).
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Where did Dr. Brian J. Frederick go to medical school?
Dr. Frederick graduated from University of Wisconsin School of Medicine in 2010.
What drugs does Dr. Brian J. Frederick prescribe most?
In 2024 Medicare Part D data, Dr. Frederick's most prescribed drugs by claims were Levothyroxine Sodium, Furosemide and Atorvastatin Calcium.
How long has Dr. Brian J. Frederick been practicing?
Dr. Frederick graduated from medical school in 2010, 16 years ago.
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