Marianna Bigos , APN
Nurse Practitioner β’ Plainfield, IL
12004 S Route 59 Unit 100
Plainfield, IL 605855108
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
12004 S Route 59 Unit 100
Plainfield, IL 605855108
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
NPPES lists 1 additional practice-address record in Des Plaines, IL. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
CMS Doctors and Clinicians lists 1 group name: Dupage Medical Group Ltd. See the list
Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
2024
What Public CMS Data Show
Nurse Practitioner: NPPES taxonomy is a reported classification, not proof of board certification.
Open Payments general payments, program year 2025
All general payments: $250.31 across 11 records.
By nature of payment
- Food and Beverage: $250.31 across 11 records.
Reporting-company totals (3 largest of 10)
- Genentech, Inc.: $52.18 across 2 records.
- JAZZ PHARMACEUTICALS INC.: $28.41 across 1 record.
- BeOne Medicines USA, Inc.: $23.91 across 1 record.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
Years since graduation
2 years (graduated 2024)
CMS Doctors and Clinicians data list 2024 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2025
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
Telehealth (some services)
Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.
You may be able to have some visits without going to the office. Ask which visits can be done by telehealth.
What this does not show: Telehealth (some services)
It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Marianna Bigos has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Marianna Bigos as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Plainfield and Illinois
18 active clinicians are listed under Nurse Practitioner with a practice address in Plainfield, IL (4,894 in Illinois).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Plainfield
27.8% of these 18 clinicians have the CMS telehealth indicator.
83.3% of these 18 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
-
Industry payments (Open Payments)
CMS data for industry payments (Open Payments) are available for 2025 only.
Sources: CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 β December 31, 2025): 11 records totaling $250.31.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| JAZZ PHARMACEUTICALS INC. |
Food and Beverage
In-kind items and services
|
ZEPZELCA | General | $28.41 |
| Genentech, Inc. |
Food and Beverage
In-kind items and services
|
Tecentriq | General | $27.53 |
| Genentech, Inc. |
Food and Beverage
In-kind items and services
|
Tecentriq | General | $24.65 |
| BeOne Medicines USA, Inc. |
Food and Beverage
In-kind items and services
|
BRUKINSA | General | $23.91 |
| Janssen Pharmaceuticals, Inc |
Food and Beverage
In-kind items and services
|
TECVAYLI | General | $23.45 |
| Gilead Sciences, Inc. |
Food and Beverage
In-kind items and services
|
Trodelvy | General | $22.85 |
| Bayer Healthcare Pharmaceuticals Inc. |
Food and Beverage
In-kind items and services
|
Nubeqa | General | $22.07 |
| TOLMAR, INC. |
Food and Beverage
In-kind items and services
|
ELIGARD | General | $21.55 |
| EMD Serono, Inc. |
Food and Beverage
Cash or cash equivalent
|
β | General | $21.02 |
| ABBVIE INC. |
Food and Beverage
In-kind items and services
|
ELAHERE | General | $18.97 |
| Geron Corporation |
Food and Beverage
In-kind items and services
|
RYTELO | General | $15.90 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2025-04-11NUCC Taxonomy Code: 363L00000X
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - NURSE PRACTITIONER
I20250318000429
IL
3870015084
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Medicare Group Practice Enrollments
Source: CMS Doctors and Clinicians National Downloadable File
Dupage Medical Group Ltd
40 S Clay St, Hinsdale, IL 605213257
Phone: 6304326848
Dupage Medical Group Ltd
25 N Winfield Rd, Winfield, IL 601901222
Dupage Medical Group Ltd
430 Warrenville Rd, Lisle, IL 605321348
Phone: 6304326180
Dupage Medical Group Ltd
2100 Glenwood Ave, Joliet, IL 604355487
Phone: 8157252121
Dupage Medical Group Ltd
1325 N Meacham Rd, Schaumburg, IL 601734824
Phone: 6304699200
Dupage Medical Group Ltd
430 Pennsylvania Ave, Glen Ellyn, IL 601374464
Phone: 6304699200
Dupage Medical Group Ltd
1800 N Main St, Wheaton, IL 601873112
Phone: 6306656200
Secondary Practice Locations
9332 Landings Ln Unit 601
Des Plaines, IL 600165247
Phone: 8159198903
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Nurse Practitioner
Advanced Practice Nurse
Nurse Practitioner
Advanced Practice Nurse
Nurse Practitioner
Advanced Practice Registered Nurse
Internal Medicine - Hematology & Oncology
Doctor of Medicine (M.D.)
Nurse Practitioner
Nurse Practitioner
Family Nurse Practitioner
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 12004 S ROUTE 59 UNIT 100, PLAINFIELD, IL 605855108 (Tel: 6303647850)
Registered at POB 7132960, CHICAGO, IL 606770001 (Tel: 6304699200)
Recorded as MARIANNA BIGOS, APN
NPI status registered as active in NPPES database
Registered at 9332 LANDINGS LN UNIT 601, DES PLAINES, IL 600165247 (Tel: 8159198903)
Registered at 9332 LANDINGS LN UNIT 601, DES PLAINES, IL 600165247
Recorded as MARIANNA BIGOS
Nurse Practitioner (license number reported to NPPES: IL 209031594)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Nurse Practitioners in Plainfield
- Laura Lopez, APN-CNP
- Angela Jarzyna, APN-CNP
- Jennie Hackman, APN-CNP
- Nancy Tate-Julu, PMHNP
- Paul Regan, APN-CNP
- Megan Klupshas
Mailing Address
Pob 7132960
Chicago, IL 606770001
Phone: 6304699200