Dr. Marek Filipiuk, MD
- Medicare services, 2024
- 1,641
- Medicare patients, 2024
- 677
- Part D claims, 2024
- 567
- Hospital affiliations
- 3
- Industry payments
- $2,122
- Practice address
- 450 West Highway 22, Barrington, IL 60010
- Practice phone
- Call (847) 381-9600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Filipiuk's professional email, personal email and mobile number
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Dr. Marek Filipiuk is an internist in Barrington, Illinois
Dr. Filipiuk practices at Advocate Good Shepherd Hospital in Barrington, Illinois, part of Advocate Health.
Dr. Filipiuk's NPI, 1013981778, was assigned on February 17, 2006. Dr. Filipiuk holds Illinois license 36109027.
- NPI
- 1013981778NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971404534
- NPI enumeration date
- February 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 381-9600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marek Filipiuk practices at Advocate Good Shepherd Hospital in Barrington, Illinois
Dr. Filipiuk's primary practice is Advocate Good Shepherd Hospital, at 450 West Highway 22, Barrington, IL 60010 in Lake County. The practice phone is (847) 381-9600.
- Advocate Good Shepherd Hospital450 West Highway 22, Barrington, IL 60010 · Lake CountyPhone(847) 381-9600
Source: Dmand AI Affiliation Data
Dr. Marek Filipiuk is affiliated with 4 sites of care and 1 medical group
Dr. Filipiuk's primary practice is Advocate Good Shepherd Hospital in Barrington, Illinois, part of Advocate Health. Dr. Filipiuk is also affiliated with Northwest Community Hospital. The medical group on file is Best Practices Inpatient Care. Dmand AI also links Dr. Filipiuk to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marek Filipiuk's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Filipiuk practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Good Shepherd Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Advocate Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Marek Filipiuk is one of 5,652 internists in Illinois
Internal medicine is Dr. Filipiuk's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Filipiuk is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Filipiuk
Counts of internists 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. Marek Filipiuk billed Medicare for 1,641 services in 2024
CMS data shows 1,641 Medicare services from Dr. Filipiuk across 6 procedure codes in 2024, for 677 Medicare patients. Medicare paid $158,183 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Filipiuk's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,5792024: 1,5891%
- Other services
- 2023: 552024: 525%
Dr. Filipiuk compared with the Illinois median for internists, 2024
- Dr. Filipiuk
- Illinois median
- Medicare services
- 1,641vs 5662.9 times
- Medicare patients
- 677vs 2083.3 times
- Part D claims
- 280vs 284Close to median
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Filipiuk'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. Filipiuk and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marek Filipiuk treated 677 Medicare patients in 2024, average age 78
CMS counts 677 Medicare patients who saw Dr. Filipiuk in 2024. The largest group is 75 to 84, with 283 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 2.24, 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. Filipiuk's median patient age at 74, with 52% women.
Dr. Filipiuk's Medicare patients by age, 2024
Dr. Filipiuk's Medicare patients by sex, 2024
- Women37155%
- Men30645%
Chronic conditions among Dr. Filipiuk's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Ischemic heart disease54%
- Heart failure51%
- Chronic kidney disease49%
- Anxiety43%
- Mood disorders43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Filipiuk's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marek Filipiuk wrote 567 Medicare Part D claims in 2024
In 2024, Dr. Filipiuk wrote 567 Medicare Part D claims for 283 patients. 93% of them were for generic drugs. CMS names the drug for 280 of them, across 13 drugs with 11 or more claims each, at $1,533 in total drug cost. In 2023, CMS named 181 claims across 11 drugs.
Dr. Filipiuk's Part D claims by kind of drug, 2024
- Generic527 claims93%
- Brand-name40 claims7%
Dr. Filipiuk'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. Filipiuk's Part D claims, 2024
- Opioids11%61 of 567 claims
- Antibiotics18%100 of 567 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: 1812024: 28055%
Drugs named by CMS: 13 in 2024, 11 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. Marek Filipiuk takes part in Medicare
Dr. Filipiuk 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. Marek Filipiuk received $2,122 in industry payments from 2016 to 2025
CMS Open Payments shows 24 general payments to Dr. Filipiuk from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Boston Scientific Corporation paid the most, $579.
General payments to Dr. Filipiuk by program year, 2016 to 2025
General payments to Dr. Filipiuk by kind, 2016 to 2025
- Food and beverage$2,11099%
- Education$131%
Companies that paid Dr. Filipiuk the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Marek Filipiuk'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 DataDmand AI Org Hierarchy 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) |
| 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. Marek Filipiuk
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. Marek Filipiuk's NPI number?
Dr. Marek Filipiuk's NPI number is 1013981778. It was assigned on February 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marek Filipiuk?
Dr. Marek Filipiuk is an internist in Barrington, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Marek Filipiuk practice?
Dr. Filipiuk practices at 450 West Highway 22, Barrington, IL 60010. Dr. Filipiuk's primary practice is Advocate Good Shepherd Hospital in Barrington, Illinois, part of Advocate Health. Dmand AI also links Dr. Filipiuk to 1 hospital and 1 group practice or clinic.
What is Dr. Marek Filipiuk's office phone number?
The practice phone on file for Dr. Filipiuk is (847) 381-9600.
What is Dr. Marek Filipiuk's medical license number?
Dr. Filipiuk holds Illinois license 36109027.
Which hospitals is Dr. Marek Filipiuk affiliated with?
Dr. Filipiuk practices at Advocate Good Shepherd Hospital in Barrington, Illinois. Dr. Filipiuk is also affiliated with Northwest Community Hospital. Dmand AI links Dr. Filipiuk to 1 more hospital.
What medical group is Dr. Marek Filipiuk part of?
Dr. Filipiuk is linked to Best Practices Inpatient Care.
Does Dr. Marek Filipiuk accept Medicare?
Yes. CMS data shows Dr. Filipiuk billed Medicare for 1,641 services in 2024, and Dr. Filipiuk accepts Medicare assignment.
How many Medicare patients does Dr. Marek Filipiuk see?
CMS counts 677 Medicare patients who saw Dr. Filipiuk in 2024, with an average age of 78.
What services does Dr. Marek Filipiuk bill to Medicare?
In 2024, Dr. Filipiuk's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99223).
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What drugs does Dr. Marek Filipiuk prescribe most?
In 2024 Medicare Part D data, Dr. Filipiuk's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Prednisone and Amoxicillin-Clavulanate Potass.
Has Dr. Marek Filipiuk received payments from drug or device companies?
CMS Open Payments shows $2,122 in general payments to Dr. Filipiuk from 10 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Marek Filipiuk been practicing?
Dr. Filipiuk graduated from medical school in 1992, 34 years ago.
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