NPPES file of Aug 9, 2026

Stephen F. Laga, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Pleasant Prairie, WI

Stephen F. Laga, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Pleasant Prairie, Wisconsin, and NPI 1952361818, issued on Mar 24, 2006. Check the license (Wisconsin 517, 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
1952361818
Name
Stephen F. Laga
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License numbers
517 WI
49773 KY
2023009417 MO
Self-reported in NPPES; status is on the state search
Practice location
9555 76TH St Ste 3880, Pleasant Prairie, WI 53158
Phone
(263) 653-5483
Enumerated
Mar 24, 2006
Record last updated
Jun 28, 2024
Medicaid IDs
7100547550 KY
300004274 IN
036060826 IL
Medicare enrollment
Enrolled (PECOS I20200526002313); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 1979
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 9555 76TH St Ste 3880

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

  1. Matthew Martini, M.DInterventional Cardiology Physician1184087462

Verify Stephen F. Laga in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 517
    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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Industry payments in 2024: $480.49

17 payments; by number, the most common kind was food and beverage; the largest payer was Recor Medical Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Laga$480.49
  2. Specialty average$7,828.84

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

Bills Medicare through one group practice

  1. Froedtert South IncPleasant Prairie, WI

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

Stephen F. Laga among 115 thoracic surgery (cardiothoracic vascular surgery) physician records in Wisconsin

Stephen F. Laga, M.D. is one of 115 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Wisconsin. 78% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 40% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1979 · median 1993 among the 74 with a school on file
  • Record last updated2024 · 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 208G00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Wisconsin

There are 115 thoracic surgery (cardiothoracic vascular surgery) physician records in Wisconsin.

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Jerold Brenowitz, MDMilwaukee, WI 532111639144595
  2. William Ragalie, M.D.Milwaukee, WI 532111619243813
  3. Michael Swank, MDMilwaukee, WI 532111912972878
  4. Andrei Churyla, M.D.Milwaukee, WI 532151215102322
  5. John Crouch, M.D.Milwaukee, WI 532151437138427
  6. David Demos, MDMilwaukee, WI 532151356502314
  7. William Fischer, M.D.Milwaukee, WI 532151982920344
  8. Leonard Kleinman, M.D.Milwaukee, WI 532151255310256

Common questions

What is Stephen F. Laga, M.D.'s NPI number?

Stephen F. Laga, M.D.'s National Provider Identifier (NPI) is 1952361818, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen F. Laga, M.D. located?

The NPPES record lists a practice address at 9555 76TH St Ste 3880, Pleasant Prairie, WI, 53158. Phone: (263) 653-5483. Providers update this record themselves, so call before visiting.

How can I verify Stephen F. Laga, M.D.'s license?

NPPES lists Wisconsin license number 517, 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.

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.