MARISSA MARCHESKI PA-C
NPI 1023621968
Physician Assistant in Warrenville, IL

Q: What is Marissa Marcheski's NPI number?

The NPI number for Marissa Marcheski is 1023621968. It was assigned to this individual provider in the NPPES registry on August 30, 2020.

Q: What is Marissa Marcheski's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Marissa Marcheski was last updated on July 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 30, 2020PECOS EnrolledAccepts Medicare Assignment

4405 WEAVER PKWY, WARRENVILLE, IL 60555(630) 352-5450(630) 352-5499 Get Directions Write a Review

NPPES record last updated: July 23, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 6, 2025, Sep 30, 2021, Mar 9, 2021 and 2 more (5 updates tracked since 2020).

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About Marissa Marcheski Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARISSA MARCHESKI PA-C (NPI 1023621968) is an individual physician assistant in Warrenville, Illinois, licensed in Illinois (085007910) and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and is a graduate of Medical University Of South Carolina College Of Medicine (2020).

NPPES Registry Identity

NPI1023621968

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameMARISSA MARCHESKICredential: PA-C

Location Address4405 WEAVER PKWYWarrenville, IL 60555-3269

Mailing Address4405 Weaver PkwyWarrenville, IL 60555-3269 · (630) 352-5450 · Fax (630) 352-5499

Phone(630) 352-5450

Fax(630) 352-5499

Sole ProprietorNo

Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 2020

Enumeration DateAugust 30, 2020

Last NPPES UpdateJuly 23, 20255 updates tracked since enumeration

NPPES CertifiedJuly 23, 2025

✔ NPI 1023621968 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in IL · 085007910

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

4405 WEAVER PKWY, Warrenville, IL 60555

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marissa Marcheski Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2769892025

PECOS Enrollment IDI20201028000908

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140242

Location25 North Winfield RoadWinfield, IL 60190 · Du Page County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60555 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$93.02 typical visit price

range $59.81 – $181.38

Typical copayment $23.25 (range $14.95 – $45.34)

Most-billed visit code 99203

Established Patient

$74.38 typical visit price

range $19.15 – $147.12

Typical copayment $18.59 (range $4.78 – $36.78)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521

Treatment-Treatment - Miscellaneous · category RX029N

1 supplier25 claims1,592 services$0.70 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

1 supplier15 claims15 services$17.70 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

1 supplier11 claims11 services$12.67 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DOUGLAS B TIPPIN M.D., PHD

Radiology (Radiation Oncology)