Dr. Thomas R. Mizen, MD
- Medicare services, 2024
- 337
- Medicare patients, 2024
- 140
- Part D claims, 2024
- 112
- Publications
- 3
- Hospital affiliations
- 1
- Practice address
- 6187 S Archer Ave, Chicago, IL 60638
- Practice phone
- Call (773) 581-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Thomas R. Mizen, M.D. and Associates
Chicago, Illinois
Find Dr. Mizen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Thomas R. Mizen is an ophthalmologist in Chicago, Illinois
Dr. Mizen practices at Thomas R. Mizen, M.D. and Associates in Chicago, Illinois.
Dr. Mizen's NPI, 1639280530, was assigned on August 31, 2006. Dr. Mizen holds Illinois license 036-062834.
- NPI
- 1639280530NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062599707
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (773) 581-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas R. Mizen practices at Thomas R. Mizen, M.D. and Associates in Chicago, Illinois
Dr. Mizen's primary practice is Thomas R. Mizen, M.D. and Associates, at 6187 S Archer Ave, Chicago, IL 60638 in Cook County. The practice phone is (773) 581-2000.
- Thomas R. Mizen, M.D. and Associates6187 S Archer Ave, Chicago, IL 60638 · Cook CountyPhone(773) 581-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas R. Mizen is affiliated with 4 sites of care and 1 medical group
Dr. Mizen's primary practice is Thomas R. Mizen, M.D. and Associates in Chicago, Illinois. Dr. Mizen is also affiliated with Rush University Medical Center. Dmand AI also links Dr. Mizen to 1 more physician office, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Thomas R. Mizen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mizen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Thomas R. Mizen, M.D. and Associates | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas R. Mizen is one of 692 ophthalmologists in Illinois
Ophthalmology is Dr. Mizen's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Mizen is licensed in Illinois.
Specialties and state licenses
- Ophthalmology, IllinoisPrimary
Ophthalmologists near Dr. Mizen
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Thomas R. Mizen billed Medicare for 337 services in 2024
CMS data shows 337 Medicare services from Dr. Mizen across 8 procedure codes in 2024, for 140 Medicare patients. Medicare paid $20,606 for them.
Dr. Mizen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,1992024: 30874%
- Office and hospital visits
- 2023: 3312024: 2991%
Where Dr. Mizen's Medicare services took place, 2024
- In an office25877%
- In a facility7923%
Dr. Mizen compared with the Illinois median for ophthalmologists, 2024
- Dr. Mizen
- Illinois median
- Medicare services
- 337vs 1,54478% below
- Medicare patients
- 140vs 57776% below
- Part D claims
- 85vs 58285% below
Medians across 710 ophthalmologists in Illinois with Dmand AI profiles that report each measure.
Dr. Mizen's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Mizen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mizen and other ophthalmologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas R. Mizen treated 140 Medicare patients in 2024, average age 71
CMS counts 140 Medicare patients who saw Dr. Mizen in 2024. The largest group is 65 to 74, with 51 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 2.11, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Mizen's median patient age at 71, with 65% women.
Dr. Mizen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mizen's Medicare patients by sex, 2024
- Women8661%
- Men5439%
Chronic conditions among Dr. Mizen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Diabetes41%
- Ischemic heart disease41%
- Chronic kidney disease31%
- Mood disorders26%
- Anxiety24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mizen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women65%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas R. Mizen wrote 112 Medicare Part D claims in 2024
In 2024, Dr. Mizen wrote 112 Medicare Part D claims for 42 patients. 65% of them were for generic drugs. CMS names the drug for 85 of them, across 4 drugs with 11 or more claims each, at $3,148 in total drug cost. In 2023, CMS named 349 claims across 6 drugs.
Dr. Mizen's Part D claims by kind of drug, 2024
- Generic73 claims65%
- Brand-name39 claims35%
Dr. Mizen's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3492024: 8576%
Drugs named by CMS: 4 in 2024, 6 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Thomas R. Mizen takes part in Medicare
Dr. Mizen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Thomas R. Mizen has 3 publications on record
Dmand AI links 3 papers to Dr. Mizen, published from 2016 to 2023. Dr. Mizen has published most often in Am J Ophthalmol Case Rep. Dr. Mizen's most frequent co-authors are Jacob Fondriest, MD, Alexander L. Grigalunas, MD and Kaitlin E. Keenan, MD.
Dr. Mizen's papers by year, 2016 to 2023
Dr. Mizen's most frequent co-authors
- Jacob Fondriest, MD1 shared paper
- Alexander L. Grigalunas, MD1 shared paper
- Kaitlin E. Keenan, MD1 shared paper
Recent publications by Dr. Mizen
Am J Ophthalmol Case Rep
See who Dr. Mizen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mizen works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas R. Mizen received $516 in industry payments from 2016 to 2023
CMS Open Payments shows 7 general payments to Dr. Mizen from 6 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 96% of the total. Alexion Pharmaceuticals, Inc. paid the most, $206.
General payments to Dr. Mizen by program year, 2016 to 2023
General payments to Dr. Mizen by kind, 2016 to 2023
- Food and beverage$49696%
- Gifts$194%
Companies that paid Dr. Mizen the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Thomas R. Mizen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Thomas R. Mizen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Thomas R. Mizen's NPI number?
Dr. Thomas R. Mizen's NPI number is 1639280530. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas R. Mizen?
Dr. Thomas R. Mizen is an ophthalmologist in Chicago, Illinois. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Thomas R. Mizen practice?
Dr. Mizen practices at 6187 S Archer Ave, Chicago, IL 60638. Dr. Mizen's primary practice is Thomas R. Mizen, M.D. and Associates in Chicago, Illinois. Dmand AI also links Dr. Mizen to 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Thomas R. Mizen's office phone number?
The practice phone on file for Dr. Mizen is (773) 581-2000.
What is Dr. Thomas R. Mizen's medical license number?
Dr. Mizen holds Illinois license 036-062834.
Which hospitals is Dr. Thomas R. Mizen affiliated with?
Dr. Mizen is affiliated with Rush University Medical Center.
Does Dr. Thomas R. Mizen accept Medicare?
Yes. CMS data shows Dr. Mizen billed Medicare for 337 services in 2024, and Dr. Mizen accepts Medicare assignment.
How many Medicare patients does Dr. Thomas R. Mizen see?
CMS counts 140 Medicare patients who saw Dr. Mizen in 2024, with an average age of 71.
What services does Dr. Thomas R. Mizen bill to Medicare?
In 2024, Dr. Mizen's most billed Medicare services were eye exam or test (92014), eye exam or test (92083) and eye exam or test (92133).
What drugs does Dr. Thomas R. Mizen prescribe most?
In 2024 Medicare Part D data, Dr. Mizen's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Brimonidine Tartrate.
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Has Dr. Thomas R. Mizen received payments from drug or device companies?
CMS Open Payments shows $516 in general payments to Dr. Mizen from 6 companies from 2016 to 2023. The largest total came from Alexion Pharmaceuticals, Inc.
How long has Dr. Thomas R. Mizen been practicing?
Dr. Mizen graduated from medical school in 1985, 41 years ago.
Does Dr. Thomas R. Mizen do research?
Dmand AI links 3 publications to Dr. Mizen, published from 2016 to 2023.
Who does Dr. Thomas R. Mizen publish with?
Dr. Mizen's most frequent co-authors are Jacob Fondriest, MD (1 shared paper), Alexander L. Grigalunas, MD (1 shared paper) and Kaitlin E. Keenan, MD (1 shared paper).
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