Diane Maryniarczyk, FNP
Family Nurse Practitioner · Evergreen Park, IL
Diane Maryniarczyk, FNP is a family nurse practitioner with a practice address in Evergreen Park, Illinois, and NPI 1285479428, issued on Jun 28, 2024. Check the license (Illinois 209.029889, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diane Maryniarczyk
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 209.029889 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2850 W 95TH St Ste 106, Evergreen Park, IL 60805
- Phone
- (708) 888-8287
- Enumerated
- Jun 28, 2024
- Record last updated
- Apr 16, 2025
- Medicare enrollment
- Enrolled (PECOS I20240905001769); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →
Also registered at 2850 W 95TH St Ste 106
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Diane Maryniarczyk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209.029889Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family nurse practitioner in 2024
69 Medicare Part D claims for 58 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl22 claims
- Ciprofloxacin Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $256.46
10 payments; by number, the most common kind was food and beverage; the largest payer was Blue Earth Diagnostics Limited. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Uropartners LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane Maryniarczyk among 7,639 family nurse practitioner records in Illinois
Diane Maryniarczyk, FNP is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 85% of them.
- NPI issued2024 · 85% of these records are older, 9% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2023 · median 2018 among the 4,778 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 family nurse practitioner records list a practice address in Evergreen Park
They are 37 of the 603 NPPES records with a practice address in Evergreen Park, and 7,639 family nurse practitioner records in Illinois.
All 7,639 in Illinois → Every provider in Evergreen Park → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Sager Abuinseir, FNP-C, DNPEvergreen Park, IL 608051538520309
- Angela Boomsma, APRNEvergreen Park, IL 608051598163560
- Jennifer Courts, APNEvergreen Park, IL 608051073013629
- Kaitlyn Frank, APNEvergreen Park, IL 608051841667813
- Joice Illimoottil, APNEvergreen Park, IL 608051215447735
- Alecia Jefferson, APRN, CDCESEvergreen Park, IL 608051811281306
- Leslie Kelly, FNP-BCEvergreen Park, IL 608051386037984
- Connie MaasEvergreen Park, IL 608051518468727
Common questions
What is Diane Maryniarczyk, FNP's NPI number?
Diane Maryniarczyk, FNP's National Provider Identifier (NPI) is 1285479428, issued on Jun 28, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Diane Maryniarczyk, FNP located?
The NPPES record lists a practice address at 2850 W 95TH St Ste 106, Evergreen Park, IL, 60805. Phone: (708) 888-8287. Providers update this record themselves, so call before visiting.
How can I verify Diane Maryniarczyk, FNP's license?
NPPES lists Illinois license number 209.029889, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Diane Maryniarczyk, FNP prescribe under Medicare Part D?
In 2024, Diane Maryniarczyk, FNP had 69 Medicare Part D claims for 58 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.