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Dr. Thomas W. Tomasik, MD
NPI1881797090PAC ID0547266223
- Medicare services, 2024
- 150
- Medicare patients, 2024
- 114
- Part D claims, 2024
- 49
- Publications
- 1
- MIPS score, 2024
- 96
- Practice address
- 25 N Winfield Rd, Winfield, IL 60190
- Practice phone
- Call (630) 933-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwestern Medicine Central DuPage Hospital
Winfield, Illinois
Find Dr. Tomasik's professional email, personal email and mobile number
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Dr. Thomas W. Tomasik is a general surgeon in Winfield, Illinois
Dr. Tomasik practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois.
Dr. Tomasik's NPI, 1881797090, was assigned on September 6, 2006. Dr. Tomasik graduated from Loyola University of Chicago, Stritch School of Medicine in 1985. Dr. Tomasik holds Illinois license 036-075133.
NPI and contact details
- NPI
- 1881797090NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547266223
- NPI enumeration date
- September 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 933-1600
- 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 W. Tomasik practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois
Dr. Tomasik's primary practice is Northwestern Medicine Central DuPage Hospital, at 25 N Winfield Rd, Winfield, IL 60190 in Dupage County. The practice phone is (630) 933-1600.
- Northwestern Medicine Central DuPage Hospital25 N Winfield Rd, Winfield, IL 60190 · Dupage CountyPhone(630) 933-1600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas W. Tomasik is affiliated with 5 sites of care and 2 medical groups
Dr. Tomasik's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois. Dr. Tomasik is also affiliated with Northwestern Medicine Delnor Hospital. The medical group on file is Northwestern Medicine Regional Medical Group. Dmand AI also links Dr. Tomasik to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Northwestern Medicine Central DuPage HospitalPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Thomas W. Tomasik's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tomasik practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine Central DuPage Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas W. Tomasik is one of 1,217 general surgeons in Illinois
Surgery is Dr. Tomasik's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Tomasik is licensed in Illinois.
Specialties and state licenses
- Surgery, IllinoisPrimary
General surgeons near Dr. Tomasik
Counts of general surgeons 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 W. Tomasik billed Medicare for 150 services in 2024
CMS data shows 150 Medicare services from Dr. Tomasik across 6 procedure codes in 2024, for 114 Medicare patients. Medicare paid $16,556 for them.
Medicare services, 2024150
Medicare patients114
Paid by Medicare$16,556
Procedure codes6
Dr. Tomasik's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2442024: 13843%
- Surgery
- 2023: 382024: 1268%
Where Dr. Tomasik's Medicare services took place, 2024
- In an office3020%
- In a facility12080%
Dr. Tomasik compared with the Illinois median for general surgeons, 2024
- Dr. Tomasik
- Illinois median
- Medicare services
- 150vs 19423% below
- Medicare patients
- 114vs 14421% below
- Part D claims
- 31vs 2811% above
Medians across 1,031 general surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Tomasik'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tomasik and other general surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas W. Tomasik treated 114 Medicare patients in 2024, average age 75
CMS counts 114 Medicare patients who saw Dr. Tomasik in 2024. The largest group is 75 to 84, with 49 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.54, 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. Tomasik's median patient age at 73, with 44% women.
Medicare patients, 2024114
Average age75
Average risk score1.54
Also on Medicaid12%
Dr. Tomasik's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tomasik's Medicare patients by sex, 2024
- Women6053%
- Men5447%
Chronic conditions among Dr. Tomasik's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis57%
- Anxiety35%
- Depression32%
- Mood disorders32%
- Diabetes29%
- Chronic kidney disease25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tomasik's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas W. Tomasik wrote 49 Medicare Part D claims in 2024
In 2024, Dr. Tomasik wrote 49 Medicare Part D claims for 35 patients. 98% of them were for generic drugs. CMS names the drug for 31 of them, across 1 drug with 11 or more claims each, at $157 in total drug cost. In 2023, CMS named 45 claims across 1 drug.
Part D claims, 202449
Drugs named by CMS1
Total drug cost$157
Part D patients35
Dr. Tomasik's Part D claims by kind of drug, 2024
- Generic48 claims98%
- Brand-name and other1 claims2%
Dr. Tomasik'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. Tomasik's Part D claims, 2024
- Opioids71%35 of 49 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: 452024: 3131%
Drugs named by CMS: 1 in 2024, 1 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
Dr. Thomas W. Tomasik scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Tomasik for performance year 2024, reported through an alternative payment model (APM). Dr. Tomasik accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Tomasik's MIPS scores, performance year 2024
- 96of 100Final score
- 88.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Thomas W. Tomasik has 1 publication on record
Dmand AI links 1 paper to Dr. Tomasik in 2024. Dr. Tomasik's most frequent co-authors are Ravi K. Garg and Jane Louise Holl, MD, MPH.
Papers1
Dr. Tomasik's most frequent co-authors
Recent publications by Dr. Tomasik
See who Dr. Tomasik researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tomasik works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas W. Tomasik received $4,566 in industry payments from 2016 to 2021
CMS Open Payments shows 32 general payments to Dr. Tomasik from 7 drug and device companies from 2016 to 2021. Travel and lodging make up the largest share, 39% of the total. Intuitive Surgical, Inc. paid the most, $4,130.
General payments to Dr. Tomasik by program year, 2016 to 2021
General payments to Dr. Tomasik by kind, 2016 to 2021
$4.6Kin total
- Travel and lodging$1,78939%
- Food and beverage$1,73838%
- Education$1,03923%
Companies that paid Dr. Tomasik the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas W. Tomasik graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Tomasik graduated from Loyola University of Chicago, Stritch School of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas W. Tomasik'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)Clinician Public Reporting: Overall MIPS Performance (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) |
| 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 Dr. Thomas W. Tomasik
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 W. Tomasik's NPI number?
Dr. Thomas W. Tomasik's NPI number is 1881797090. It was assigned on September 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas W. Tomasik?
Dr. Thomas W. Tomasik is a general surgeon in Winfield, Illinois. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Thomas W. Tomasik practice?
Dr. Tomasik practices at 25 N Winfield Rd, Winfield, IL 60190. Dr. Tomasik's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois. Dmand AI also links Dr. Tomasik to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Thomas W. Tomasik's office phone number?
The practice phone on file for Dr. Tomasik is (630) 933-1600.
What is Dr. Thomas W. Tomasik's medical license number?
Dr. Tomasik holds Illinois license 036-075133.
Which hospitals is Dr. Thomas W. Tomasik affiliated with?
Dr. Tomasik is affiliated with Northwestern Medicine Delnor Hospital. Dmand AI links Dr. Tomasik to 1 more hospital.
What medical group is Dr. Thomas W. Tomasik part of?
Dr. Tomasik is linked to Northwestern Medicine Regional Medical Group. Dmand AI links Dr. Tomasik to 1 more medical group.
Does Dr. Thomas W. Tomasik accept Medicare?
Yes. CMS data shows Dr. Tomasik billed Medicare for 150 services in 2024, and Dr. Tomasik accepts Medicare assignment.
What is Dr. Thomas W. Tomasik's MIPS score?
Dr. Tomasik's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Thomas W. Tomasik see?
CMS counts 114 Medicare patients who saw Dr. Tomasik in 2024, with an average age of 75.
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What services does Dr. Thomas W. Tomasik bill to Medicare?
In 2024, Dr. Tomasik's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99221) and office visit, new patient (99204).
Where did Dr. Thomas W. Tomasik go to medical school?
Dr. Tomasik graduated from Loyola University of Chicago, Stritch School of Medicine in 1985.
What drugs does Dr. Thomas W. Tomasik prescribe most?
In 2024 Medicare Part D data, Dr. Tomasik's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Thomas W. Tomasik received payments from drug or device companies?
CMS Open Payments shows $4,566 in general payments to Dr. Tomasik from 7 companies from 2016 to 2021. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Thomas W. Tomasik been practicing?
Dr. Tomasik graduated from medical school in 1985, 41 years ago.
Does Dr. Thomas W. Tomasik do research?
Dmand AI links 1 publication to Dr. Tomasik.
Who does Dr. Thomas W. Tomasik publish with?
Dr. Tomasik's most frequent co-authors are Ravi K. Garg (1 shared paper) and Jane Louise Holl, MD, MPH (1 shared paper).
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