Dr. Thomas Wayne Day, MD

  • Bourbonnais, IL
  • Dermatologist
NPI1356410195
Medicare services, 2024
7,667
Medicare patients, 2024
898
Part D claims, 2024
1,910
MIPS score, 2024
90
Industry payments
$20,117
Practice address
595 William Latham Dr, Bourbonnais, IL 60914
Practice phone
Call (815) 744-8554
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Dermatology and Plastic Surgery Associates, S.C.

Bourbonnais, Illinois

See all 5 affiliations

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Dr. Thomas Wayne Day is a dermatologist in Bourbonnais, Illinois

Dr. Day practices at Dermatology and Plastic Surgery Associates, S.C. in Bourbonnais, Illinois.

Dr. Day's NPI, 1356410195, was assigned on November 7, 2006. Dr. Day graduated from University of Mississippi Medical Center - Jackson in 1981. Dr. Day's Tennessee license number on file is 20401.

NPI and contact details
NPI enumeration date
November 7, 2006
NPI status
Active
Practice phone
(815) 744-8554
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
71
Medical school graduation
1981

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

Dr. Thomas Wayne Day practices at Dermatology and Plastic Surgery Associates, S.C. in Bourbonnais, Illinois

Dr. Day's primary practice is Dermatology and Plastic Surgery Associates, S.C., at 595 William Latham Dr, Bourbonnais, IL 60914 in Kankakee County. The practice phone is (815) 744-8554.

  • Dermatology and Plastic Surgery Associates, S.C.
    595 William Latham Dr, Bourbonnais, IL 60914 · Kankakee CountyPhone(815) 744-8554

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

Dr. Thomas Wayne Day is affiliated with 3 sites of care and 2 medical groups

Dr. Day's primary practice is Dermatology and Plastic Surgery Associates, S.C. in Bourbonnais, Illinois. The medical group on file is Cumberland Skin Surgery and Dermatology. Dmand AI also links Dr. Day to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Day

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

Dmand AI tracks the EHR system at Dr. Thomas Wayne Day's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Day practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dermatology and Plastic Surgery Associates, S.C.Available with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Thomas Wayne Day is one of 564 dermatologists in Illinois

Dermatology is Dr. Day's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Day is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Day's licenses on file in 2 states: Tennessee and Arkansas.

Specialties and state licenses

  • Dermatology, TennesseePrimaryLicense 20401 · 1990 to 2025 · taxonomy 207N00000X
  • Arkansas license1982 to 1991

Clinical focus

Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, cold sores or genital herpes, contact dermatitis, corns and calluses and facial skin infection among the conditions Dr. Day treats.

Dermatologists near Dr. Day

Counts of dermatologists 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 Wayne Day billed Medicare for 7,667 services in 2024

CMS data shows 7,667 Medicare services from Dr. Day across 36 procedure codes in 2024, for 898 Medicare patients. Medicare paid $391,023 for them. Every service was in an office.

Medicare services, 20247,667
Medicare patients898
Paid by Medicare$391,023
Procedure codes36

Dr. Day's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 5,9732024: 4,95917%
Office and hospital visits
2023: 1,3662024: 1,2598%
Imaging
2023: 1,0312024: 84418%
Other services
2023: 4502024: 4138%
Drugs given in the office
2023: 1482024: 17820%
Tests and treatments
2023: 02024: 14

Dr. Day compared with the Illinois median for dermatologists, 2024

  • Dr. Day
  • Illinois median
Medicare services
7,667vs 1,7794.3 times
Medicare patients
898vs 49183% above
Part D claims
1,735vs 4054.3 times

Medians across 526 dermatologists in Illinois with Dmand AI profiles that report each measure.

Dr. Day'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.

See all procedures by Dr. Day

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Thomas Wayne Day treated 898 Medicare patients in 2024, average age 75

CMS counts 898 Medicare patients who saw Dr. Day in 2024. The largest group is 65 to 74, with 429 patients. 74% of them have high blood pressure, and 74% have high cholesterol. 1% are also on Medicaid. Their average risk score is 0.89, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Day's median patient age at 70, with 46% women.

Medicare patients, 2024898
Average age75
Average risk score0.89
Also on Medicaid1%

Dr. Day's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Day's Medicare patients by sex, 2024

  • Women36541%
  • Men53359%

Chronic conditions among Dr. Day's Medicare patients, 2024

  1. High blood pressure74%
  2. High cholesterol74%
  3. Arthritis41%
  4. Ischemic heart disease29%
  5. Diabetes21%
  6. Chronic kidney disease18%
  7. Anxiety16%
  8. Atrial fibrillation16%

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

Dr. Day's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women46%
  • Men53%

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

Dr. Thomas Wayne Day wrote 1,910 Medicare Part D claims in 2024

In 2024, Dr. Day wrote 1,910 Medicare Part D claims for 722 patients. 89% of them were for generic drugs. CMS names the drug for 1,735 of them, across 34 drugs with 11 or more claims each, at $763,741 in total drug cost. In 2023, CMS named 1,529 claims across 29 drugs.

Part D claims, 20241,910
Drugs named by CMS34
Total drug cost$763,741
Part D patients722

Dr. Day's Part D claims by kind of drug, 2024

  • Generic1,691 claims89%
  • Brand-name219 claims11%

Dr. Day'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.

Drug classes CMS tracks in Dr. Day's Part D claims, 2024

  • Antibiotics12%228 of 1,910 claims

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

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,5292024: 1,73513%

Drugs named by CMS: 34 in 2024, 29 in 2023.

See all prescribing by Dr. Day

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

Dr. Thomas Wayne Day scored 90 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Day for performance year 2024, reported as part of a group.

Dr. Day's MIPS scores, performance year 2024

  • 90of 100Final score
  • 88of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Thomas Wayne Day received $20,117 in industry payments from 2016 to 2025

CMS Open Payments shows 1,020 general payments to Dr. Day from 50 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $4,526.

General payments to Dr. Day by program year, 2016 to 2025

General payments to Dr. Day by kind, 2016 to 2025

$20.1Kin total
  • Food and beverage$19,78098%
  • Education$3372%

Companies that paid Dr. Day the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Day

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

Dr. Thomas Wayne Day graduated from University of Mississippi Medical Center - Jackson

Dr. Day graduated from University of Mississippi Medical Center - Jackson in 1981.

  1. Medical schoolUniversity of Mississippi Medical Center - Jackson
  2. Board certified in dermatologyAmerican Board of Dermatology

Source: Dmand AI Professional Profile Data

Dr. Thomas Wayne Day accepts plans from 17 insurance carriers

Dr. Day is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

Plan types Dr. Day accepts, by number of carriers

  1. PPO13
  2. HMO8
  3. Medicare8
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Thomas Wayne Day'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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 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 percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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 Dr. Thomas Wayne Day

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 Wayne Day's NPI number?

Dr. Thomas Wayne Day's NPI number is 1356410195. It was assigned on November 7, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Thomas Wayne Day?

Dr. Thomas Wayne Day is a dermatologist in Bourbonnais, Illinois. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).

Where does Dr. Thomas Wayne Day practice?

Dr. Day practices at 595 William Latham Dr, Bourbonnais, IL 60914. Dr. Day's primary practice is Dermatology and Plastic Surgery Associates, S.C. in Bourbonnais, Illinois. Dmand AI also links Dr. Day to 2 group practices and clinics and 1 medical group.

What is Dr. Thomas Wayne Day's office phone number?

The practice phone on file for Dr. Day is (815) 744-8554.

What is Dr. Thomas Wayne Day's medical license number?

Dr. Day's Tennessee license number on file is 20401, one of the licenses on file in 2 states.

Which states has Dr. Thomas Wayne Day been licensed in?

Dmand AI has state licenses on file for Dr. Day in Tennessee (1990 to 2025) and Arkansas (1982 to 1991).

What medical group is Dr. Thomas Wayne Day part of?

Dr. Day is linked to Cumberland Skin Surgery and Dermatology. Dmand AI links Dr. Day to 1 more medical group.

Does Dr. Thomas Wayne Day accept Medicare?

Yes. CMS data shows Dr. Day billed Medicare for 7,667 services in 2024.

What is Dr. Thomas Wayne Day's MIPS score?

Dr. Day's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.

How many Medicare patients does Dr. Thomas Wayne Day see?

CMS counts 898 Medicare patients who saw Dr. Day in 2024, with an average age of 75.

Show 7 more questionsShow fewer questions

Is Dr. Thomas Wayne Day board certified?

Yes. Dr. Day is board certified in dermatology by the American Board of Dermatology.

What services does Dr. Thomas Wayne Day bill to Medicare?

In 2024, Dr. Day's most billed Medicare services were surgery: skin and soft tissue (17003), surgery: skin and soft tissue (17000) and office visit, established patient (99213).

Where did Dr. Thomas Wayne Day go to medical school?

Dr. Day graduated from University of Mississippi Medical Center - Jackson in 1981.

What drugs does Dr. Thomas Wayne Day prescribe most?

In 2024 Medicare Part D data, Dr. Day's most prescribed drugs by claims were Triamcinolone Acetonide, Ketoconazole and Hydrocortisone.

Has Dr. Thomas Wayne Day received payments from drug or device companies?

CMS Open Payments shows $20,117 in general payments to Dr. Day from 50 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Thomas Wayne Day been practicing?

Dr. Day graduated from medical school in 1981, 45 years ago.

What insurance does Dr. Thomas Wayne Day accept?

Dr. Day is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

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