George Cassidy, M.D.
Diagnostic Radiology Physician · Lake Zurich, IL
George Cassidy, M.D. is a diagnostic radiology physician with a practice address in Lake Zurich, Illinois, and NPI 1164474433, issued on May 16, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- George Cassidy
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- Practice location
- 765 Ela RD, Lake Zurich, IL 60047
- Phone
- (847) 438-0181
- Enumerated
- May 16, 2006
- Record last updated
- Aug 7, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,874 in Illinois → Look up another NPI →
Also registered at 765 Ela RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nicole King, DNNaprapath1912229766
Verify George Cassidy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
17 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Venlafaxine Hcl Er13 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.
George Cassidy among 1,874 diagnostic radiology physician records in Illinois
George Cassidy, M.D. is one of 1,874 diagnostic radiology physician records with a practice address in Illinois. 71% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 54% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2007 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 diagnostic radiology physician records list a practice address in Lake Zurich
They are 7 of the 352 NPPES records with a practice address in Lake Zurich, and 1,874 diagnostic radiology physician records in Illinois.
All 1,874 in Illinois → Every provider in Lake Zurich → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Myron Kirshenbaum, M.D.Lake Zurich, IL 600471396791281
- Suryaprakesharao Nadimpalli, M.D.Lake Zurich, IL 600471720031743
- Pravin Patel, M.D.Lake Zurich, IL 600471982659173
- Pauchuru Prasadarao, M.D.Lake Zurich, IL 600471144273665
- Arun Sukerkar, M.D.Lake Zurich, IL 600471780637637
- Edwin Willgress, M.D.Lake Zurich, IL 600471134167364
- Thomas Anderson, MDLibertyville, IL 600481437109816
- Reni Butler, M.D.Libertyville, IL 600481609876770
Common questions
What is George Cassidy, M.D.'s NPI number?
George Cassidy, M.D.'s National Provider Identifier (NPI) is 1164474433, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is George Cassidy, M.D. located?
The NPPES record lists a practice address at 765 Ela RD, Lake Zurich, IL, 60047. Phone: (847) 438-0181. Providers update this record themselves, so call before visiting.
How can I verify George Cassidy, M.D.'s license?
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 George Cassidy, M.D. prescribe under Medicare Part D?
In 2024, George Cassidy, M.D. had 17 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. 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.