Thomas K. Unger, OD
- Medicare patients, 2024
- 178
- Part D claims, 2024
- 195
- Industry payments
- $71
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 534 Edwardsville Rd, Troy, IL 62294-1338
- Practice phone
- Call (618) 667-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Unger Eye Care
Eye care practice · Troy, Illinois
Find Thomas Unger'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.
Thomas K. Unger is an optometrist in Troy, Illinois
Thomas Unger practices at Unger Eye Care in Troy, Illinois.
Thomas Unger's NPI, 1629158092, was assigned on October 17, 2006. Thomas Unger graduated from University of Missouri St Louis - School of Optometry in 1988. Thomas Unger holds Illinois license 046.008303.
- NPI
- 1629158092NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193896561
- NPI enumeration date
- October 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (618) 667-2020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Thomas K. Unger practices at Unger Eye Care in Troy, Illinois
Thomas Unger's primary practice is Unger Eye Care, at 534 Edwardsville Rd, Troy, IL 62294-1338. The practice phone is (618) 667-2020.
- Unger Eye Care534 Edwardsville Rd, Troy, IL 62294-1338Phone(618) 667-2020
Source: Dmand AI Affiliation Data
Thomas K. Unger is affiliated with 1 site of care and 1 medical group
Thomas Unger's primary practice is Unger Eye Care in Troy, Illinois. Dmand AI also links Thomas Unger to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Thomas K. Unger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Thomas Unger practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Unger Eye Care | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Thomas K. Unger is one of 2,194 optometrists in Illinois
Optometrist is Thomas Unger's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Thomas Unger is licensed in Illinois.
Specialties and state licenses
- Optometrist, IllinoisPrimary
Optometrists near Thomas Unger
Counts of optometrists 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
Thomas K. Unger treated 178 Medicare patients in 2024, average age 73
CMS counts 178 Medicare patients who saw Thomas Unger in 2024. The largest group is 65 to 74, with 102 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 0.80, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Thomas Unger's median patient age at 67, with 50% women.
Thomas Unger's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Thomas Unger's Medicare patients by sex, 2024
- Women10257%
- Men7643%
Chronic conditions among Thomas Unger's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis46%
- Diabetes30%
- Ischemic heart disease23%
- Depression18%
- Mood disorders18%
- Anxiety16%
Share of Medicare patients with each condition. A patient can have several.
Thomas Unger's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Thomas K. Unger wrote 195 Medicare Part D claims in 2024
In 2024, Thomas Unger wrote 195 Medicare Part D claims for 56 patients. 58% of them were for generic drugs.
Thomas Unger's Part D claims by kind of drug, 2024
- Generic114 claims58%
- Brand-name81 claims42%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Thomas K. Unger takes part in Medicare
Thomas Unger 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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Thomas K. Unger received $71 in industry payments in 2025
CMS Open Payments shows 3 general payments to Thomas Unger from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $48.
Companies that paid Thomas Unger the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Thomas K. Unger graduated from University of Missouri St Louis - School of Optometry
Thomas Unger graduated from University of Missouri St Louis - School of Optometry in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Thomas K. Unger'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| 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 (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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Thomas K. Unger
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Thomas K. Unger's NPI number?
Thomas K. Unger's NPI number is 1629158092. It was assigned on October 17, 2006, and it is active in the NPI Registry.
What does Thomas K. Unger specialize in?
Thomas K. Unger is an optometrist in Troy, Illinois. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Thomas K. Unger practice?
Thomas Unger practices at 534 Edwardsville Rd, Troy, IL 62294-1338. Thomas Unger's primary practice is Unger Eye Care in Troy, Illinois. Dmand AI also links Thomas Unger to 1 medical group.
What is Thomas K. Unger's office phone number?
The practice phone on file for Thomas Unger is (618) 667-2020.
What is Thomas K. Unger's medical license number?
Thomas Unger holds Illinois license 046.008303.
Does Thomas K. Unger accept Medicare?
Yes. CMS lists Thomas Unger as accepting Medicare assignment.
How many Medicare patients does Thomas K. Unger see?
CMS counts 178 Medicare patients who saw Thomas Unger in 2024, with an average age of 73.
Where did Thomas K. Unger go to medical school?
Thomas Unger graduated from University of Missouri St Louis - School of Optometry in 1988.
Has Thomas K. Unger received payments from drug or device companies?
CMS Open Payments shows $71 in general payments to Thomas Unger from 2 companies from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Thomas K. Unger been practicing?
Thomas Unger graduated from medical school in 1988, 38 years ago.
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