NPPES file of Aug 9, 2026

Robert Gerard Kummerer, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Libertyville, IL

Robert Gerard Kummerer, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Libertyville, Illinois, and NPI 1902891674, issued on Sep 19, 2005. Check the license (Illinois 036087848, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1902891674
Name
Robert Gerard Kummerer
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License numbers
036087848 IL
55253-20 WI
Self-reported in NPPES; status is on the state search
Practice location
890 Garfield Ave, Libertyville, IL 60048
Phone
(847) 990-5636
Enumerated
Sep 19, 2005
Record last updated
Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(847) 367-1535
Medicaid IDs
200269890B IN
036087848 IL
200269890A IN
1902891674 WI
Medicare enrollment
Enrolled (PECOS I20100707000518); accepts Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 1990
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 890 Garfield Ave

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

  1. Richard Allen, M.D.Specialist1609948124
  2. Mark Chyna, M.D.Internal Medicine Physician1740273507
  3. Robert Hadesman, M.D.Gastroenterology Physician1245234574
  4. Ryan Housner, PA-CSurgical Physician Assistant1205942539
  5. Ruth McGaha, ACNPAcute Care Clinical Nurse Specialist1184924961
  6. Vincenzo Padovano, MDObstetrics & Gynecology Physician1851376032

Verify Robert Gerard Kummerer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036087848
    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 Illinois license search

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Industry payments in 2024: $129.13

2 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. 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. Robert Kummerer$129.13
  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. Cardiothoracic And Vascular Surgical Associates S CBarrington, IL

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

Robert Gerard Kummerer among 265 thoracic surgery (cardiothoracic vascular surgery) physician records in Illinois

Robert Gerard Kummerer, M.D. is one of 265 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Illinois. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated1990 · median 1999 among the 148 with a school on file
  • Record last updated2021 · 47% 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 Illinois 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 Illinois

There are 265 thoracic surgery (cardiothoracic vascular surgery) physician records in Illinois.

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

  1. Ruheri Perez-Tamayo, MD,PHDMcHenry, IL 600501881655397
  2. Aqeel Sandhu, M.D.McHenry, IL 600501922003193
  3. Mary Maish, MDLake Forest, IL 600451750316774
  4. Charles Brown, M.D.Northbrook, IL 600621225572928
  5. Lambros Tsonis, M.D.Gurnee, IL 600311356504278
  6. James Torres, M.D.Inverness, IL 600671003178518
  7. Chawki El Zein, MDPark Ridge, IL 600681497711394
  8. Axel Joob, M.D.Park Ridge, IL 600681225039738

Common questions

What is Robert Gerard Kummerer, M.D.'s NPI number?

Robert Gerard Kummerer, M.D.'s National Provider Identifier (NPI) is 1902891674, issued on Sep 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Robert Gerard Kummerer, M.D. located?

The NPPES record lists a practice address at 890 Garfield Ave, Libertyville, IL, 60048. Phone: (847) 990-5636. Providers update this record themselves, so call before visiting.

How can I verify Robert Gerard Kummerer, M.D.'s license?

NPPES lists Illinois license number 036087848, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. 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.