NPPES file of Aug 9, 2026

Gregory M. Rosner, M.D.

Surgery Physician · Cudahy, WI

Gregory M. Rosner, M.D. is a surgery physician with a practice address in Cudahy, Wisconsin, and NPI 1245318765, issued on Nov 1, 2006. Check the license (Wisconsin 32506-20, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245318765
Name
Gregory M. Rosner
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License numbers
32506-20 WI
170092 NY
Self-reported in NPPES; status is on the state search
Practice location
5900 S Lake Dr., Cudahy, WI 53110
Phone
(414) 489-4190
Enumerated
Nov 1, 2006
Record last updated
Oct 4, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(414) 489-4015
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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Verify Gregory M. Rosner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 32506-20
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 83.8 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 score84.6
  2. Costout of 100 · 30%58.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Gregory M. Rosner among 726 surgery physician records in Wisconsin

Gregory M. Rosner, M.D. is one of 726 surgery physician records with a practice address in Wisconsin. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 52% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2012 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 surgery physician records list a practice address in Cudahy

They are 4 of the 174 NPPES records with a practice address in Cudahy, and 726 surgery physician records in Wisconsin.

The 8 surgery physician records with the nearest ZIP codes

  1. Nicholas Armstrong, MDCudahy, WI 531101457329534
  2. Laam Ko, D.OCudahy, WI 531101467624197
  3. Allan Pasch, MDCudahy, WI 531101073513974
  4. Lief Erickson, MDBurlington, WI 531051801901913
  5. Stephen Kmecak, MDBurlington, WI 531051225145758
  6. Chad Kort, MDBurlington, WI 531051972552503
  7. Joseph Majewski, MDBurlington, WI 531051598872053
  8. James Seegers, M.D.Elkhorn, WI 531211407188279

Common questions

What is Gregory M. Rosner, M.D.'s NPI number?

Gregory M. Rosner, M.D.'s National Provider Identifier (NPI) is 1245318765, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory M. Rosner, M.D. located?

The NPPES record lists a practice address at 5900 S Lake Dr., Cudahy, WI, 53110. Phone: (414) 489-4190. Providers update this record themselves, so call before visiting.

How can I verify Gregory M. Rosner, M.D.'s license?

NPPES lists Wisconsin license number 32506-20, 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.

What is Gregory M. Rosner, M.D.'s MIPS final score?

The 2023 MIPS final score is 83.8 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.