NPPES file of Aug 9, 2026

Lambros Tsonis, M.D.

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

Lambros Tsonis, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Gurnee, Illinois, and NPI 1356504278, issued on Jul 10, 2008. Check the license (Illinois 036122647, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1356504278
Name
Lambros Tsonis
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License numbers
036122647 IL
125047572 IL
Self-reported in NPPES; status is on the state search
Practice location
200 S Greenleaf St, Gurnee, IL 60031
Phone
(847) 244-6060
Enumerated
Jul 10, 2008
Record last updated
Feb 14, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(847) 244-5669
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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8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 265 in Illinois → Look up another NPI →

Also registered at 200 S Greenleaf St

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

  1. Arden Barnett, M.D.Psychiatry Physician1891765095
  2. Albino Bismonte, MDPediatrics Physician1366510281
  3. James Macrowski, DDSDentist1407966989
  4. Kelly Mularkey, PA-CSurgical Physician Assistant1295247559
  5. Frank Sun, MDObstetrics & Gynecology Physician1457340887

Verify Lambros Tsonis 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 036122647    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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Lambros Tsonis among 265 thoracic surgery (cardiothoracic vascular surgery) physician records in Illinois

Lambros Tsonis, 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 not. Its NPI, issued in 2008, is newer than 50% of them.

  • NPI issued2008 · 50% of these records are older, 45% newer
  • In a Medicare fileNo · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 56% of these records are
  • Record last updated2020 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 265 in Illinois → Every provider in Gurnee → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →

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

  1. Katherine Su, M.D.Glenview, IL 600261275951782
  2. Mary Maish, MDLake Forest, IL 600451750316774
  3. Khushroo Patel, M.D.Des Plaines, IL 600161013036862
  4. Robert Kummerer, M.D.Libertyville, IL 600481902891674
  5. Ruheri Perez-Tamayo, MD,PHDMcHenry, IL 600501881655397
  6. Aqeel Sandhu, M.D.McHenry, IL 600501922003193
  7. Aladin Mariano, M.D.South Barrington, IL 600101184635906
  8. Timothy Votapka, M.D.Barrington, IL 600101598750200

Common questions

What is Lambros Tsonis, M.D.'s NPI number?

Lambros Tsonis, M.D.'s National Provider Identifier (NPI) is 1356504278, issued on Jul 10, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Lambros Tsonis, M.D. located?

The NPPES record lists a practice address at 200 S Greenleaf St, Gurnee, IL, 60031. Phone: (847) 244-6060. Providers update this record themselves, so call before visiting.

How can I verify Lambros Tsonis, M.D.'s license?

NPPES lists Illinois license number 036122647, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.