Thomas Kemperas, OD

  • South Elgin, IL
  • Optometrist
NPI1134100340PAC ID4284711573
Medicare patients, 2024
191
Part D claims, 2024
112
Industry payments
$101
Affiliated sites
1
State license
1
Practice address
1287 W Spring St, South Elgin, IL 60177
Practice phone
Call (847) 742-8742
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Kemperas Eyecare

South Elgin, Illinois

See all 2 affiliations

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Thomas Kemperas is an optometrist in South Elgin, Illinois

Thomas Kemperas practices at Kemperas Eyecare in South Elgin, Illinois.

Thomas Kemperas' NPI, 1134100340, was assigned on November 7, 2005. Thomas Kemperas graduated from Illinois College of Optometry at Chicago in 1992. Thomas Kemperas holds Illinois license 0046008537.

NPI and contact details
Medicare PAC ID
4284711573
NPI enumeration date
November 7, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(847) 742-8742
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
60
Medical school graduation
1992

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Thomas Kemperas practices at Kemperas Eyecare in South Elgin, Illinois

Thomas Kemperas' primary practice is Kemperas Eyecare, at 1287 W Spring St, South Elgin, IL 60177 in Kane County. The practice phone is (847) 742-8742.

  • Kemperas Eyecare
    1287 W Spring St, South Elgin, IL 60177 · Kane CountyPhone(847) 742-8742

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Thomas Kemperas is affiliated with 2 sites of care

Thomas Kemperas' primary practice is Kemperas Eyecare in South Elgin, Illinois. Dmand AI also links Thomas Kemperas to 1 physician office, named with a free account.

Kemperas EyecareSouth Elgin, IllinoisPrimary
1 physician officeName with a free account
See all 2 affiliations for Thomas Kemperas

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Thomas Kemperas' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Thomas Kemperas practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kemperas EyecareAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Thomas Kemperas is one of 2,194 optometrists in Illinois

Optometrist is Thomas Kemperas' primary specialty in the NPI Registry, under taxonomy code 152W00000X. Thomas Kemperas is licensed in Illinois.

Specialties and state licenses

  • Optometrist, IllinoisPrimaryLicense 0046008537 · taxonomy 152W00000X

Optometrists near Thomas Kemperas

Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.

2,194optometrists in Illinois
2optometrists in South Elgin

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Thomas Kemperas treated 191 Medicare patients in 2024, average age 74

CMS counts 191 Medicare patients who saw Thomas Kemperas in 2024. The largest group is 65 to 74, with 104 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 0.88, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Thomas Kemperas' median patient age at 71, with 66% women.

Medicare patients, 2024191
Average age74
Average risk score0.88

Thomas Kemperas' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Thomas Kemperas' Medicare patients by sex, 2024

  • Women11661%
  • Men7539%

Chronic conditions among Thomas Kemperas' Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure71%
  3. Arthritis45%
  4. Diabetes21%
  5. Ischemic heart disease19%
  6. Chronic kidney disease18%
  7. Anxiety17%
  8. Atrial fibrillation16%

Share of Medicare patients with each condition. A patient can have several.

Thomas Kemperas' 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

  • Women66%
  • Men33%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Thomas Kemperas wrote 112 Medicare Part D claims in 2024

In 2024, Thomas Kemperas wrote 112 Medicare Part D claims for 46 patients. 36% of them were for generic drugs.

Part D claims, 2024112
Part D patients46

Thomas Kemperas' Part D claims by kind of drug, 2024

  • Generic40 claims36%
  • Brand-name72 claims64%

Drug classes CMS tracks in Thomas Kemperas' Part D claims, 2024

  • Antibiotics11%12 of 112 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Thomas Kemperas takes part in Medicare

Thomas Kemperas 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 Kemperas received $101 in industry payments in 2025

CMS Open Payments shows 6 general payments to Thomas Kemperas from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $65.

Companies that paid Thomas Kemperas the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Thomas Kemperas

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Thomas Kemperas graduated from Illinois College of Optometry at Chicago

Thomas Kemperas graduated from Illinois College of Optometry at Chicago in 1992.

  1. Medical schoolIllinois College of Optometry at Chicago

Source: Dmand AI Professional Profile Data

Sources for Thomas Kemperas's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Thomas Kemperas

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 Kemperas' NPI number?

Thomas Kemperas' NPI number is 1134100340. It was assigned on November 7, 2005, and it is active in the NPI Registry.

What does Thomas Kemperas specialize in?

Thomas Kemperas is an optometrist in South Elgin, Illinois. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does Thomas Kemperas practice?

Thomas Kemperas practices at 1287 W Spring St, South Elgin, IL 60177. Thomas Kemperas' primary practice is Kemperas Eyecare in South Elgin, Illinois. Dmand AI also links Thomas Kemperas to 1 physician office.

What is Thomas Kemperas' office phone number?

The practice phone on file for Thomas Kemperas is (847) 742-8742.

What is Thomas Kemperas' medical license number?

Thomas Kemperas holds Illinois license 0046008537.

Does Thomas Kemperas accept Medicare?

Yes. CMS lists Thomas Kemperas as accepting Medicare assignment.

How many Medicare patients does Thomas Kemperas see?

CMS counts 191 Medicare patients who saw Thomas Kemperas in 2024, with an average age of 74.

Where did Thomas Kemperas go to medical school?

Thomas Kemperas graduated from Illinois College of Optometry at Chicago in 1992.

Has Thomas Kemperas received payments from drug or device companies?

CMS Open Payments shows $101 in general payments to Thomas Kemperas from 3 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.

How long has Thomas Kemperas been practicing?

Thomas Kemperas graduated from medical school in 1992, 34 years ago.

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