Emmet Michael Cassidy, MD
Ophthalmology Physician · Homewood, IL
Emmet Michael Cassidy, MD is an ophthalmology physician with a practice address in Homewood, Illinois, and NPI 1770544462, issued on Mar 31, 2006. Check the license (Illinois 036092971, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Emmet Michael Cassidy
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 036092971 IL
Self-reported in NPPES; status is on the state search - Practice location
- 18646 Dixie Hwy, Homewood, IL 60430
- Phone
- (708) 647-6635
- Enumerated
- Mar 31, 2006
- Record last updated
- Feb 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (708) 647-6649
- Medicaid ID
- 036092971 IL
- Medicare enrollment
- Enrolled (PECOS I20040608000988); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 898 in Illinois → Look up another NPI →
Verify Emmet Michael Cassidy 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 036092971Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average ophthalmology physician in 2024
876 Medicare Part D claims for 252 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Most prescribed
- Latanoprost379 claims
- Neomycin-Polymyxin-Dexameth86 claims
- Timolol Maleate78 claims
- Brimonidine Tartrate76 claims
- Prednisolone Acetate36 claims
- Dorzolamide Hcl34 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.
Industry payments in 2024: $30.92
1 payment: food and beverage; the largest payer was Abbvie Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Advanced Eye Care SCLemont, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Emmet Michael Cassidy among 898 ophthalmology physician records in Illinois
Emmet Michael Cassidy, MD is one of 898 ophthalmology physician records with a practice address in Illinois. 75% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1992 · median 1999 among the 551 with a school on file
- Record last updated2011 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 ophthalmology physician records list a practice address in Homewood
They are 10 of the 634 NPPES records with a practice address in Homewood, and 898 ophthalmology physician records in Illinois.
All 898 in Illinois → Every provider in Homewood → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- John Kwinn, MDHomewood, IL 604301104888486
- David Lubeck, MDHomewood, IL 604301245291921
- Jeffrey Nichols, M.D.Homewood, IL 604301992809941
- Richard Quinones, MDHomewood, IL 604301194786871
- Lauren Saxe, MDHomewood, IL 604301700822590
- Ravi Shah, M.D.Homewood, IL 604301295186872
- Shivan Tekwani, M.D.Homewood, IL 604301518122035
- Robert Heidenry, M.D.Hazel Crest, IL 604291912903691
Common questions
What is Emmet Michael Cassidy, MD's NPI number?
Emmet Michael Cassidy, MD's National Provider Identifier (NPI) is 1770544462, issued on Mar 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Emmet Michael Cassidy, MD located?
The NPPES record lists a practice address at 18646 Dixie Hwy, Homewood, IL, 60430. Phone: (708) 647-6635. Providers update this record themselves, so call before visiting.
How can I verify Emmet Michael Cassidy, MD's license?
NPPES lists Illinois license number 036092971, 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 Emmet Michael Cassidy, MD prescribe under Medicare Part D?
In 2024, Emmet Michael Cassidy, MD had 876 Medicare Part D claims for 252 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.