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DR. MARY J GAWRONSKI DO
NPI 1235110784
Pediatrics in Lake Barrington, IL

Active since November 10, 2005PECOS Enrolled
5057 SHORELINE RD, LAKE BARRINGTON, IL 60010(847) 381-5005(847) 381-5036 Get Directions Write a Review

NPPES record last updated: June 27, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Mary J Gawronski Do NPPES

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

DR. MARY J GAWRONSKI DO (NPI 1235110784) is an individual pediatrics provider in Lake Barrington, Illinois, licensed in Illinois (036 108348) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235110784
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. MARY J GAWRONSKICredential: DO
Location Address5057 SHORELINE RDLake Barrington, IL 60010-1700
Mailing Address29373 Network PlChicago, IL 60673-1700 · (847) 390-5900
Phone(847) 381-5005
Fax(847) 381-5036
Sole ProprietorNo
Enumeration DateNovember 10, 2005
Last NPPES UpdateJune 27, 2022
NPPES CertifiedJune 27, 2022
✔ NPI 1235110784 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in IL · 036 108348
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
5057 SHORELINE RD, Lake Barrington, IL 60010
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Other Names 1

Former Name (1)Miss Mary J Charron

Other Identifiers 1

Medicaid036 108348IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mary J Gawronski Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Mary Gawronski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lutheran General Hospital
20 mi
Cardiovascular Disease
1775 DEMPSTER ST
Park Ridge, IL 60068
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Advocate Health And Hospitals Corporation
  • 4,870 clinicians in this Medicare group
NPI 1801809306 (847) 723-2210

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60010 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
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 9

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

DR. CHARLES MARK BRAVERMAN MD
Pediatrics
5057 SHORELINE RD
LAKE BARRINGTON, IL 60010
Cook County (847) 381-5005
DENA DENNY PHYSICAL THERAPY
Clinic/Center (Physical Therapy)
5057 SHORELINE RD
LAKE BARRINGTON, IL 60010
Cook County (815) 529-2093
MRS. DENA KRISTINE DENNY P.T.
Physical Therapist
5057 SHORELINE RD
LAKE BARRINGTON, IL 60010
Cook County (815) 529-2093
DR. ANN L MINCIOTTI MD
Pediatrics
5057 SHORELINE RD
LAKE BARRINGTON, IL 60010
Cook County (847) 381-5005
DR. KIRSTEN H KERSHAW MD
Pediatrics
5057 SHORELINE RD
LAKE BARRINGTON, IL 60010
Cook County (847) 381-5005
DR. MARY B COLLINS MD
Pediatrics
5057 SHORELINE RD
LAKE BARRINGTON, IL 60010
Cook County (847) 381-5005
PEDIATRIC SPECIALISTS OF THE NW MDSC
Pediatrics
5057 SHORELINE RD
LAKE BARRINGTON, IL 60010
Cook County (847) 381-5005
ANGELINE ROMAN ZARZUELA
Pediatrics
5057 SHORELINE RD
LAKE BARRINGTON, IL 60010
Cook County (847) 381-5005

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Gawronski's NPI number?

The NPI number for Mary Gawronski is 1235110784. It was assigned to this individual provider in the NPPES registry on November 10, 2005. The provider is also known as Miss Mary J Charron.

Where is Mary Gawronski located?

Mary Gawronski practices at 5057 Shoreline Rd, Lake Barrington, IL 60010. The listed phone number is (847) 381-5005.

What is Mary Gawronski's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Mary Gawronski enrolled in Medicare?

Yes. Mary Gawronski is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Gawronski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Gawronski reassigns Medicare benefits to Lutheran General Hospital (Park Ridge, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Gawronski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Gawronski accept?

Health plans from Oscar Health list Mary Gawronski as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mary Gawronski was last updated on June 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.