Registry data as of Aug 27, 2026

Katherine Hoyer, MD

Family Medicine Physician · Milwaukee, WI

Katherine Hoyer, MD is a family medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1932214822, issued on Aug 20, 2006. Check the license (Wisconsin 31558, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1932214822
Name
Katherine Hoyer
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
31558 WI
Self-reported in NPPES; status is on the state search
Practice location
6901 W Edgerton Ave, Milwaukee, WI 53220
Phone
(414) 421-8400
Enumerated
Aug 20, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6901 W Edgerton Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mesfin Abdissa, MDInternal Medicine Physician1376579417
  2. Della Alvarez, APNPNurse Practitioner1316089477
  3. Matthew Bantz, PHARMDPharmacist1578193744
  4. Chihab Bilal, MDFamily Medicine Physician1275542961
  5. Nazih Botros, MDFamily Medicine Physician1700895331
  6. James Ehlers, APNPNurse Practitioner1750496873

Verify Katherine Hoyer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 31558
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

97% fewer Medicare Part D claims than the average family medicine physician in 2024

96 Medicare Part D claims for 80 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.

  1. Katherine Hoyer96
  2. Specialty average3,519

Most prescribed

  1. Amoxicillin-Clavulanate Potass16 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

One hospital or facility affiliation

  1. Aurora Medical Group, Inc.Milwaukee, WI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

290 family medicine physician records list a Milwaukee practice address

They are 290 of the 18,389 NPPES records with a Milwaukee practice address, and 3,629 family medicine physician records in Wisconsin.

Other family medicine physician records in Wisconsin

  1. Ghudran Abdulal, MDNew Berlin, WI1083622666
  2. Vanessa Abejuela-Matt, D.O.Mount Pleasant, WI1558687749
  3. Benjamin Abeyta, M.D.Wauwatosa, WI1447511597
  4. Emily Abeyta, MDWaukesha, WI1386905107
  5. Islam Abo Al Nadie, MDMilwaukee, WI1326618786
  6. Jeanette Abraham, MDWeston, WI1205895810
  7. Sarada Abraham, M.D.Oconomowoc, WI1962851972
  8. Kirsten Abramson, MDMadison, WI1417909979
  9. Alexandra Adams, MD PHDMadison, WI1184689291
  10. David AdamsMadison, WI1992986897

Common questions

What is Katherine Hoyer, MD's NPI number?

Katherine Hoyer, MD's National Provider Identifier (NPI) is 1932214822, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Hoyer, MD located?

The NPPES record lists a practice address at 6901 W Edgerton Ave, Milwaukee, WI, 53220. Phone: (414) 421-8400. Providers update this record themselves, so call before visiting.

How can I verify Katherine Hoyer, MD's license?

NPPES lists Wisconsin license number 31558, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Katherine Hoyer, MD prescribe under Medicare Part D?

In 2024, Katherine Hoyer, MD had 96 Medicare Part D claims for 80 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.