Mark D. Thompson, MD
Emergency Medicine Physician · Barrington, IL
Mark D. Thompson, MD is an emergency medicine physician with a practice address in Barrington, Illinois, and NPI 1043252067, issued on Jun 12, 2006. Check the license (Illinois 036-114218, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mark D. Thompson
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 036-114218 IL
036114218 IL
Self-reported in NPPES; status is on the state search - Practice location
- 450 W Highway 22, Barrington, IL 60010
- Phone
- (847) 381-9600
- Enumerated
- Jun 12, 2006
- Record last updated
- Dec 30, 2022
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 450 W Highway 22
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohammad Anwar, MDNeonatal-Perinatal Medicine Physician1164635165
- Scott Asselmeier, M.D.Vascular & Interventional Radiology Physician1558563213
- Danielle BanksRegistered Dietitian1659245405
- Todd Bannen, M.D.Emergency Medicine Physician1952414682
- Tina Marie Bauman, RN, MSN, APN, AGN-BCClinical Nurse Specialist1407349343
- Eric Bessonny, M.D.Anesthesiology Physician1336147156
Verify Mark D. Thompson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-114218Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average emergency medicine physician in 2024
169 Medicare Part D claims for 127 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Cephalexin27 claims
- Prednisone12 claims
- Ondansetron Odt11 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.
Mark D. Thompson among 3,291 emergency medicine physician records in Illinois
Mark D. Thompson, MD is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 68% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2022 · 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 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 emergency medicine physician records list a practice address in Barrington
They are 15 of the 756 NPPES records with a practice address in Barrington, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Barrington → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Todd Bannen, M.D.Barrington, IL 600101952414682
- Marc Dorfman, MDBarrington, IL 600101912908583
- Mark Giacomin, DOBarrington, IL 600101215948153
- Viren Gohil, M.D.Barrington, IL 600101225081037
- Jeffrey Gordon, MDBarrington, IL 600101558308676
- David Greenberg, M.D.Barrington, IL 600101598705659
- Danish Haque, MDBarrington, IL 600101336193093
- Tracey Hashemi, MDBarrington, IL 600101508857905
Common questions
What is Mark D. Thompson, MD's NPI number?
Mark D. Thompson, MD's National Provider Identifier (NPI) is 1043252067, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark D. Thompson, MD located?
The NPPES record lists a practice address at 450 W Highway 22, Barrington, IL, 60010. Phone: (847) 381-9600. Providers update this record themselves, so call before visiting.
How can I verify Mark D. Thompson, MD's license?
NPPES lists Illinois license number 036-114218, 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.
How much does Mark D. Thompson, MD prescribe under Medicare Part D?
In 2024, Mark D. Thompson, MD had 169 Medicare Part D claims for 127 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.