Diane Maryniarczyk, FNP
- Part D claims, 2024
- 69
- Hospital affiliations
- 4
- Industry payments
- $532
- Medical group
- 1
- State license
- 1
- Practice address
- 2225 Enterprise Dr, Westchester, IL 60154
- Practice phone
- Call (224) 260-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Uropartners
Westchester, Illinois
Find Diane Maryniarczyk'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.
Diane Maryniarczyk is a family nurse practitioner in Westchester, Illinois
Diane Maryniarczyk practices at Uropartners in Westchester, Illinois.
Diane Maryniarczyk's NPI, 1285479428, was assigned on June 28, 2024. Diane Maryniarczyk holds Illinois license 209.029889.
- NPI
- 1285479428NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517407547
- NPI enumeration date
- June 28, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (224) 260-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Diane Maryniarczyk practices at Uropartners in Westchester, Illinois
Diane Maryniarczyk's primary practice is Uropartners, at 2225 Enterprise Dr, Westchester, IL 60154 in Cook County. The practice phone is (224) 260-3100.
- Uropartners2225 Enterprise Dr, Westchester, IL 60154 · Cook CountyPhone(224) 260-3100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Diane Maryniarczyk is affiliated with 6 sites of care and 1 medical group
Diane Maryniarczyk's primary practice is Uropartners in Westchester, Illinois. Diane Maryniarczyk is also affiliated with Northwestern Medicine Central DuPage Hospital. The medical group on file is UroPartners. Dmand AI also links Diane Maryniarczyk to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Diane Maryniarczyk's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Diane Maryniarczyk practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Uropartners | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Diane Maryniarczyk is one of 7,275 family nurse practitioners in Illinois
Family is Diane Maryniarczyk's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Diane Maryniarczyk is licensed in Illinois.
Specialties and state licenses
- Family nurse practitioner, IllinoisPrimary
Family nurse practitioners near Diane Maryniarczyk
Counts of family nurse practitioners 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
Diane Maryniarczyk's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Diane Maryniarczyk's median patient age at 77, with 18% women.
Diane Maryniarczyk's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women18%
- Men81%
Source: Dmand AI Patient Panel Data
Diane Maryniarczyk wrote 69 Medicare Part D claims in 2024
In 2024, Diane Maryniarczyk wrote 69 Medicare Part D claims for 58 patients. 94% of them were for generic drugs.
Diane Maryniarczyk's Part D claims by kind of drug, 2024
- Generic65 claims94%
- Brand-name and other4 claims6%
Drug classes CMS tracks in Diane Maryniarczyk's Part D claims, 2024
- Antibiotics38%26 of 69 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
How Diane Maryniarczyk takes part in Medicare
Diane Maryniarczyk 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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Diane Maryniarczyk received $532 in industry payments in 2025
CMS Open Payments shows 28 general payments to Diane Maryniarczyk from 15 drug and device companies in 2025. Food and beverage make up the largest share, 99% of the total. Urogen Pharma, Inc. paid the most, $133.
General payments to Diane Maryniarczyk by kind, 2025 to 2025
- Food and beverage$52699%
- Education$71%
Companies that paid Diane Maryniarczyk 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 Diane Maryniarczyk'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 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) |
| 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 Diane Maryniarczyk
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Diane Maryniarczyk's NPI number?
Diane Maryniarczyk's NPI number is 1285479428. It was assigned on June 28, 2024, and it is active in the NPI Registry.
What does Diane Maryniarczyk specialize in?
Diane Maryniarczyk is a family nurse practitioner in Westchester, Illinois. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Diane Maryniarczyk practice?
Diane Maryniarczyk practices at 2225 Enterprise Dr, Westchester, IL 60154. Diane Maryniarczyk's primary practice is Uropartners in Westchester, Illinois. Dmand AI also links Diane Maryniarczyk to 3 hospitals and 1 group practice or clinic.
What is Diane Maryniarczyk's office phone number?
The practice phone on file for Diane Maryniarczyk is (224) 260-3100.
What is Diane Maryniarczyk's medical license number?
Diane Maryniarczyk holds Illinois license 209.029889.
Which hospitals is Diane Maryniarczyk affiliated with?
Diane Maryniarczyk is affiliated with Northwestern Medicine Central DuPage Hospital. Dmand AI links Diane Maryniarczyk to 3 more hospitals.
What medical group is Diane Maryniarczyk part of?
Diane Maryniarczyk is linked to UroPartners.
Does Diane Maryniarczyk accept Medicare?
Yes. CMS lists Diane Maryniarczyk as accepting Medicare assignment.
Has Diane Maryniarczyk received payments from drug or device companies?
CMS Open Payments shows $532 in general payments to Diane Maryniarczyk from 15 companies from 2025 to 2025. The largest total came from Urogen Pharma, Inc.
How long has Diane Maryniarczyk been practicing?
Diane Maryniarczyk graduated from medical school in 2023, 3 years ago.
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