Dr. Michael S. Kwiecinski, MD
- Medicare services, 2023
- 225
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 51
- Industry payments
- $66
- Affiliated sites
- 3
- Practice address
- 430-54 Pennsylvania Ave, Glen Ellyn, IL 60137
- Practice phone
- Call (630) 469-9200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Duly Health and Care
Glen Ellyn, Illinois
Find Dr. Kwiecinski'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.
Dr. Michael S. Kwiecinski is an internist in Glen Ellyn, Illinois
Dr. Kwiecinski practices at Duly Health and Care in Glen Ellyn, Illinois.
Dr. Kwiecinski's NPI, 1891753943, was assigned on May 1, 2006. Dr. Kwiecinski graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1979. Dr. Kwiecinski holds Idaho license 036-061088.
- NPI
- 1891753943NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507754645
- NPI enumeration date
- May 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 469-9200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael S. Kwiecinski practices at Duly Health and Care in Glen Ellyn, Illinois
Dr. Kwiecinski's primary practice is Duly Health and Care, at 430-54 Pennsylvania Ave, Glen Ellyn, IL 60137 in Dupage County. The practice phone is (630) 469-9200.
- Duly Health and Care430-54 Pennsylvania Ave, Glen Ellyn, IL 60137 · Dupage CountyPhone(630) 469-9200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael S. Kwiecinski is affiliated with 4 sites of care and 2 medical groups
Dr. Kwiecinski's primary practice is Duly Health and Care in Glen Ellyn, Illinois. The medical group on file is DuPage Medical Group. Dmand AI also links Dr. Kwiecinski to 2 more group practices and clinics, 1 therapy and rehab clinic and 1 medical group, each named with a free account. Dr. Kwiecinski's employer is on file too: a physical therapy & rehab clinic.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael S. Kwiecinski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kwiecinski practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Duly Health and Care | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael S. Kwiecinski is one of 5,652 internists in Illinois
Internal medicine is Dr. Kwiecinski's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kwiecinski is licensed in Idaho.
Specialties and state licenses
- Internal medicine, IdahoPrimary
Internists near Dr. Kwiecinski
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. Michael S. Kwiecinski billed Medicare for 225 services in 2023
CMS data shows 225 Medicare services from Dr. Kwiecinski across 10 procedure codes in 2023, for 15 Medicare patients. Medicare paid $2,726 for them. Every service was in an office.
Dr. Kwiecinski's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Lab and pathology
- 2022: 1,5622023: 15190%
- Surgery
- 2022: 4792023: 6287%
- Office and hospital visits
- 2022: 4742023: 1297%
- Tests and treatments
- 2022: 722023: 0100%
- Other services
- 2022: 3172023: 0100%
Dr. Kwiecinski compared with the Illinois median for internists, 2023
- Dr. Kwiecinski
- Illinois median
- Medicare services
- 225vs 56660% below
- Medicare patients
- 15vs 20893% below
- Part D claims
- 24vs 28492% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Kwiecinski's most billed Medicare procedure codes, 2023
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. Kwiecinski and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael S. Kwiecinski treated 15 Medicare patients in 2024, average age 77
CMS counts 15 Medicare patients who saw Dr. Kwiecinski in 2024. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 2.35, 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. Kwiecinski's median patient age at 62, with 52% women.
Chronic conditions among Dr. Kwiecinski's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kwiecinski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael S. Kwiecinski wrote 51 Medicare Part D claims in 2024
In 2024, Dr. Kwiecinski wrote 51 Medicare Part D claims for 15 patients. 92% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $349 in total drug cost. In 2023, CMS named 589 claims across 24 drugs.
Dr. Kwiecinski's Part D claims by kind of drug, 2024
- Generic47 claims92%
- Brand-name and other4 claims8%
Dr. Kwiecinski'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5892024: 2496%
Drugs named by CMS: 2 in 2024, 24 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. Michael S. Kwiecinski takes part in Medicare
Dr. Kwiecinski 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. Michael S. Kwiecinski received $66 in industry payments from 2016 to 2018
CMS Open Payments shows 4 general payments to Dr. Kwiecinski from 3 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $34.
General payments to Dr. Kwiecinski by program year, 2016 to 2018
Companies that paid Dr. Kwiecinski the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael S. Kwiecinski graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Kwiecinski graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael S. Kwiecinski'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) |
| 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. Michael S. Kwiecinski
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. Michael S. Kwiecinski's NPI number?
Dr. Michael S. Kwiecinski's NPI number is 1891753943. It was assigned on May 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael S. Kwiecinski?
Dr. Michael S. Kwiecinski is an internist in Glen Ellyn, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael S. Kwiecinski practice?
Dr. Kwiecinski practices at 430-54 Pennsylvania Ave, Glen Ellyn, IL 60137. Dr. Kwiecinski's primary practice is Duly Health and Care in Glen Ellyn, Illinois. Dmand AI also links Dr. Kwiecinski to 2 group practices and clinics, 1 therapy and rehab clinic and 1 medical group.
What is Dr. Michael S. Kwiecinski's office phone number?
The practice phone on file for Dr. Kwiecinski is (630) 469-9200.
What is Dr. Michael S. Kwiecinski's medical license number?
Dr. Kwiecinski holds Idaho license 036-061088.
What medical group is Dr. Michael S. Kwiecinski part of?
Dr. Kwiecinski is linked to DuPage Medical Group. Dmand AI links Dr. Kwiecinski to 1 more medical group.
Does Dr. Michael S. Kwiecinski accept Medicare?
Yes. CMS data shows Dr. Kwiecinski billed Medicare for 225 services in 2023, and Dr. Kwiecinski accepts Medicare assignment.
How many Medicare patients does Dr. Michael S. Kwiecinski see?
CMS counts 15 Medicare patients who saw Dr. Kwiecinski in 2024, with an average age of 77.
What services does Dr. Michael S. Kwiecinski bill to Medicare?
In 2023, Dr. Kwiecinski's most billed Medicare services were surgery: heart and blood vessels (36415), lab and pathology test (80061) and lab and pathology test (80053).
Where did Dr. Michael S. Kwiecinski go to medical school?
Dr. Kwiecinski graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1979.
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What drugs does Dr. Michael S. Kwiecinski prescribe most?
In 2024 Medicare Part D data, Dr. Kwiecinski's most prescribed drugs by claims were Donepezil HCl and Levothyroxine Sodium.
Has Dr. Michael S. Kwiecinski received payments from drug or device companies?
CMS Open Payments shows $66 in general payments to Dr. Kwiecinski from 3 companies from 2016 to 2018. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Michael S. Kwiecinski been practicing?
Dr. Kwiecinski graduated from medical school in 1979, 47 years ago.
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