Agnieszka Iwaszczyszyn, DMD
- Part D claims, 2024
- 74
- Industry payments
- $596
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 728 W Northwest Hwy, Barrington, IL 60010-2640
- Practice phone
- Call (847) 865-4278
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hart Dental
Dental practice · Barrington, Illinois
Find Agnieszka Iwaszczyszyn'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.
Agnieszka Iwaszczyszyn is a dentist in Elk Grove Village, Illinois
Agnieszka Iwaszczyszyn practices at Hart Dental in Barrington, Illinois.
Agnieszka Iwaszczyszyn's NPI, 1821441312, was assigned on July 19, 2016. Agnieszka Iwaszczyszyn holds Illinois license 019030692.
- NPI
- 1821441312NPI Registry (opens in a new tab)
- NPI enumeration date
- July 19, 2016
- NPI status
- Active
- Practice phone
- (847) 865-4278
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Agnieszka Iwaszczyszyn practices in Barrington and Elk Grove Village
Agnieszka Iwaszczyszyn's primary practice is Hart Dental, at 728 W Northwest Hwy, Barrington, IL 60010-2640. The practice phone is (847) 865-4278. The NPI Registry lists Agnieszka Iwaszczyszyn's practice address as 800 Biesterfield Rd, Elk Grove Village, IL 60007.
- Hart DentalPrimary728 W Northwest Hwy, Barrington, IL 60010-2640Phone(847) 865-4278
- NPI Registry address800 Biesterfield Rd, Elk Grove Village, IL 60007 · Cook County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Agnieszka Iwaszczyszyn is affiliated with 1 site of care and 1 medical group
Agnieszka Iwaszczyszyn's primary practice is Hart Dental in Barrington, Illinois. Dmand AI also links Agnieszka Iwaszczyszyn to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Agnieszka Iwaszczyszyn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Agnieszka Iwaszczyszyn practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hart Dental | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Agnieszka Iwaszczyszyn is one of 1,844 dentists in Illinois
Dentist is Agnieszka Iwaszczyszyn's primary specialty in the NPI Registry, under taxonomy code 122300000X. Agnieszka Iwaszczyszyn is licensed in Illinois.
Specialties and state licenses
- Dentist, IllinoisPrimary
Dentists near Agnieszka Iwaszczyszyn
Counts of dentists 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
Agnieszka Iwaszczyszyn's patients have a median age of 45
Across all payers, Dmand AI patient panel data puts Agnieszka Iwaszczyszyn's median patient age at 45, with 67% women.
Agnieszka Iwaszczyszyn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Agnieszka Iwaszczyszyn wrote 74 Medicare Part D claims in 2024
In 2024, Agnieszka Iwaszczyszyn wrote 74 Medicare Part D claims for 35 patients. 96% of them were for generic drugs.
Agnieszka Iwaszczyszyn's Part D claims by kind of drug, 2024
- Generic71 claims96%
- Brand-name and other3 claims4%
Drug classes CMS tracks in Agnieszka Iwaszczyszyn's Part D claims, 2024
- Opioids19%14 of 74 claims
- Antibiotics42%31 of 74 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
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Agnieszka Iwaszczyszyn received $596 in industry payments in 2025
CMS Open Payments shows 6 general payments to Agnieszka Iwaszczyszyn from 3 drug and device companies in 2025. Education make up the largest share, 85% of the total. Hu-Friedy Mfg. Co., LLC paid the most, $529.
General payments to Agnieszka Iwaszczyszyn by kind, 2025 to 2025
- Education$50985%
- Food and beverage$8715%
Companies that paid Agnieszka Iwaszczyszyn the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Agnieszka Iwaszczyszyn'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 Agnieszka Iwaszczyszyn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Agnieszka Iwaszczyszyn's NPI number?
Agnieszka Iwaszczyszyn's NPI number is 1821441312. It was assigned on July 19, 2016, and it is active in the NPI Registry.
What does Agnieszka Iwaszczyszyn specialize in?
Agnieszka Iwaszczyszyn is a dentist in Elk Grove Village, Illinois. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does Agnieszka Iwaszczyszyn practice?
Agnieszka Iwaszczyszyn practices at 728 W Northwest Hwy, Barrington, IL 60010-2640. Agnieszka Iwaszczyszyn also practices at 800 Biesterfield Rd, Elk Grove Village, IL 60007. Agnieszka Iwaszczyszyn's primary practice is Hart Dental in Barrington, Illinois. Dmand AI also links Agnieszka Iwaszczyszyn to 1 medical group.
What is Agnieszka Iwaszczyszyn's office phone number?
The practice phone on file for Agnieszka Iwaszczyszyn is (847) 865-4278.
What is Agnieszka Iwaszczyszyn's medical license number?
Agnieszka Iwaszczyszyn holds Illinois license 019030692.
Has Agnieszka Iwaszczyszyn received payments from drug or device companies?
CMS Open Payments shows $596 in general payments to Agnieszka Iwaszczyszyn from 3 companies from 2025 to 2025. The largest total came from Hu-Friedy Mfg. Co., LLC.
How long has Agnieszka Iwaszczyszyn been practicing?
Agnieszka Iwaszczyszyn's NPI was assigned in 2016.
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