NPPES file of Aug 9, 2026

Laura Horowitz, DO

Family Medicine Physician · Waukesha, WI

Laura Horowitz, DO is a family medicine physician with a practice address in Waukesha, Wisconsin, and NPI 1912694670, issued on Apr 21, 2023. Check the license (Wisconsin 81687, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912694670
Name
Laura Horowitz
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
81687 WI
Self-reported in NPPES; status is on the state search
Practice location
210 NW Barstow St Ste 201, Waukesha, WI 53188
Phone
(262) 548-6903
Enumerated
Apr 21, 2023
Record last updated
Aug 5, 2026
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 210 NW Barstow St Ste 201

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

  1. Paige Biesterfeld, MDStudent in an Organized Health Care Education/Training Program1073447389
  2. Norah CowleyStudent in an Organized Health Care Education/Training Program1578250593
  3. Joseph Grove, MDStudent in an Organized Health Care Education/Training Program1467399196
  4. Monica Hammer, DOFamily Medicine Physician1144072463
  5. Heather Harrison, MDFamily Medicine Physician1720440019
  6. Christopher KordickFamily Medicine Physician1366905200

Verify Laura Horowitz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 81687
    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.

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

101 Medicare Part D claims for 23 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Laura Horowitz101
  2. Specialty average3,544

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.

Laura Horowitz among 3,765 family medicine physician records in Wisconsin

Laura Horowitz, DO is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 96% of them.

  • NPI issued2023 · 96% of these records are older, 2% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2026 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

76 family medicine physician records list a practice address in Waukesha

They are 76 of the 2,814 NPPES records with a practice address in Waukesha, and 3,765 family medicine physician records in Wisconsin.

The 8 family medicine physician records with the nearest ZIP codes

  1. Ronald Cooper, MDWaukesha, WI 531881396799615
  2. James Dall, MDWaukesha, WI 531881205908159
  3. Todd Doenier, MDWaukesha, WI 531881265496319
  4. Paul Doenier, M.D.Waukesha, WI 531881720030489
  5. Leif Esbensen, MDWaukesha, WI 531881669544508
  6. Patrick Ginn, M.D.Waukesha, WI 531881265404586
  7. Susanne Krasovich, MDWaukesha, WI 531881043261886
  8. Karen Nelson, M.D.Waukesha, WI 531881225097405

Common questions

What is Laura Horowitz, DO's NPI number?

Laura Horowitz, DO's National Provider Identifier (NPI) is 1912694670, issued on Apr 21, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Laura Horowitz, DO located?

The NPPES record lists a practice address at 210 NW Barstow St Ste 201, Waukesha, WI, 53188. Phone: (262) 548-6903. Providers update this record themselves, so call before visiting.

How can I verify Laura Horowitz, DO's license?

NPPES lists Wisconsin license number 81687, 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 Laura Horowitz, DO prescribe under Medicare Part D?

In 2024, Laura Horowitz, DO had 101 Medicare Part D claims for 23 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.