NPPES file of Aug 9, 2026

David B. Kornreich, DO

Orthopaedic Surgery Physician · Wauwatosa, WI

David B. Kornreich, DO is an orthopaedic surgery physician with a practice address in Wauwatosa, Wisconsin, and NPI 1851386346, issued on Sep 12, 2005. Check the license (Wisconsin 41979, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851386346
Name
David B. Kornreich
Credential
DO
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
41979 WI
Self-reported in NPPES; status is on the state search
Practice location
2500 N Mayfair RD, Wauwatosa, WI 53226
Phone
(414) 257-2525
Enumerated
Sep 12, 2005
Record last updated
Feb 11, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(414) 257-1772
Medicaid ID
30095900 WI
Medicare enrollment
Enrolled (PECOS I20100803000648); accepts Medicare assignment
Medical or professional school
Midwestern University, Chicago College Of Osteopathic Med, 1995
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2500 N Mayfair RD

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

  1. Dale Bauwens, MDOrthopaedic Surgery Physician1568457059
  2. Mary Bonneson, MS LPC NCCMental Health Counselor1740384882
  3. Walter Brummund, M.D.,PHDClinical & Laboratory Immunology (Allergy & Immunology) Physician1487708988
  4. Mary Burnett, M.D.Allergy Physician1437310596
  5. James Cranberg, M.D.Allergy Physician1073665626
  6. Terry Graves, M.D.Allergy & Immunology Physician1023168481

Verify David B. Kornreich in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 41979
    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

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2.4 times the Medicare Part D claims of the average orthopaedic surgery physician in 2024

845 Medicare Part D claims for 255 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 403 claims were for opioids.

  1. David Kornreich845
  2. Specialty average346

Most prescribed

  1. Tramadol Hcl178 claims
  2. Meloxicam134 claims
  3. Hydrocodone-Acetaminophen115 claims
  4. Oxycodone Hcl104 claims
  5. Cephalexin99 claims
  6. Methylprednisolone62 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 75.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.2
  2. Costout of 100 · 30%57.6
  3. Promoting interoperabilityout of 100 · 25%76.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $305.04

3 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Kornreich$305
  2. Specialty average$23,023

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Columbia St Marys Hospital Milwaukee IncWest Allis, WI
  2. Wisconsin Bone And Joint S CWauwatosa, WI
  3. Wisconsin Health FundMilwaukee, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Orthopaedic Surgery Physician providers in Wisconsin

There are 656 orthopaedic surgery physician records in Wisconsin.

Other orthopaedic surgery physician records in Wisconsin

  1. Faruk Abuzzahab, MDWausau, WI1558359422
  2. Gerard Adler, MDOconomowoc, WI1891703443
  3. William Albiero, M.D.Green Bay, WI1033451588
  4. Kashif Ali, MDMadison, WI1477887453
  5. Mhd Alsawaf, MBBS, MDPleasant Prairie, WI1144411653
  6. Obioma Amajoyi, M.D.Madison, WI1447516018
  7. Michael Anderson, MDGrafton, WI1558353243
  8. Paul Anderson, MDVerona, WI1205891959
  9. Scott Anderson, M.D.Madison, WI1659320422
  10. Steven Anderson, M.D.West Allis, WI1285648691

Common questions

What is David B. Kornreich, DO's NPI number?

David B. Kornreich, DO's National Provider Identifier (NPI) is 1851386346, issued on Sep 12, 2005. An NPI identifies a provider in billing; it is not a license.

Where is David B. Kornreich, DO located?

The NPPES record lists a practice address at 2500 N Mayfair RD, Wauwatosa, WI, 53226. Phone: (414) 257-2525. Providers update this record themselves, so call before visiting.

How can I verify David B. Kornreich, DO's license?

NPPES lists Wisconsin license number 41979, 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 David B. Kornreich, DO prescribe under Medicare Part D?

In 2024, David B. Kornreich, DO had 845 Medicare Part D claims for 255 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

What is David B. Kornreich, DO's MIPS final score?

The 2023 MIPS final score is 75.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.