Thomas R. Mizen, M.D.
Ophthalmology Physician · Chicago, IL
Thomas R. Mizen, M.D. is an ophthalmology physician with a practice address in Chicago, Illinois, and NPI 1639280530, issued on Aug 31, 2006. Check the license (Illinois 036-062834, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Thomas R. Mizen
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 036-062834 IL
Self-reported in NPPES; status is on the state search - Practice location
- 6187 S Archer Ave, Chicago, IL 60638
- Phone
- (773) 581-2000
- Enumerated
- Aug 31, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (773) 581-2878
- Medicare enrollment
- Enrolled (PECOS I20080404000830); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 898 in Illinois → Look up another NPI →
Verify Thomas R. Mizen 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 036-062834Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average ophthalmology physician in 2024
112 Medicare Part D claims for 42 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Latanoprost48 claims
- Timolol Maleate13 claims
- Brimonidine Tartrate12 claims
- Dorzolamide-Timolol12 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.
Bills Medicare through one group practice
- Eye Center Physicians, Ltd.Chicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas R. Mizen among 898 ophthalmology physician records in Illinois
Thomas R. Mizen, M.D. 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
- Graduated1985 · median 1999 among the 551 with a school on file
- Record last updated2007 · 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).
Ophthalmology Physician providers in Illinois
There are 898 ophthalmology physician records in Illinois.
All 898 in Illinois → Every provider in Chicago → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Raj Goyal, M.D., M.P.H.Bedford Park, IL 606381699768721
- B Ponakala, MDChicago, IL 606381457432742
- Gary Rubin, M.D.Chicago, IL 606381962484162
- Armin Afshar, M.D.Chicago, IL 606371063742161
- Asim FarooqChicago, IL 606371639436777
- Benhur Ghide, MDChicago, IL 606371245020296
- Reem Gonnah, MDChicago, IL 606371376047084
- Anita Goyal, MDChicago, IL 606371801452552
Common questions
What is Thomas R. Mizen, M.D.'s NPI number?
Thomas R. Mizen, M.D.'s National Provider Identifier (NPI) is 1639280530, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas R. Mizen, M.D. located?
The NPPES record lists a practice address at 6187 S Archer Ave, Chicago, IL, 60638. Phone: (773) 581-2000. Providers update this record themselves, so call before visiting.
How can I verify Thomas R. Mizen, M.D.'s license?
NPPES lists Illinois license number 036-062834, 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 Thomas R. Mizen, M.D. prescribe under Medicare Part D?
In 2024, Thomas R. Mizen, M.D. had 112 Medicare Part D claims for 42 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.