Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TRICIA LYN THOMSON M.D.
NPI 1104087030
Pediatrics - Neonatal-Perinatal Medicine in Naperville, IL

Q: What is Tricia Thomson's NPI number?

The NPI number for Tricia Thomson is 1104087030. It was assigned to this individual provider in the NPPES registry on June 23, 2008.

Q: What is Tricia Thomson's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Q: When was this NPI record last updated?

The NPPES record for Tricia Thomson was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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 June 23, 2008PECOS Enrolled

801 S. WASHINGTON ST., NICU, NAPERVILLE, IL 60540(630) 527-3234(630) 527-3450 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Tricia Lyn Thomson M.d. NPPES

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

TRICIA LYN THOMSON M.D. (NPI 1104087030) is an individual neonatal-perinatal medicine provider in Naperville, Illinois, licensed in Illinois (036119463) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1104087030

Entity TypeIndividualFemale

Primary Taxonomy2080N0001X

Provider Legal NameTRICIA LYN THOMSONCredential: M.D.

Location Address801 S. WASHINGTON ST., NICUNaperville, IL 60540-7430

Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 570-2040 · Fax (847) 733-5315

Phone(630) 527-3234

Fax(630) 527-3450

Sole ProprietorNo

Enumeration DateJune 23, 2008

Last NPPES UpdateOctober 20, 2026

NPPES CertifiedOctober 20, 2026

✔ NPI 1104087030 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080N0001X

License✔ Licensed in IL · 036119463

Definition

A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

Also ListedPediatricsTaxonomy 208000000X · License 036119463 (IL)

801 S. WASHINGTON ST., Naperville, IL 60540

Open in Google Maps ↗

Secondary Practice Locations 3

Location 11331 W. 75th St., Suite 102Naperville, IL 60540-9311 · Phone (630) 527-3369 · Fax (630) 548-1967

Location 22160 S 1st AveMaywood, IL 60153-3328 · Phone (708) 216-9000

Location 3155 E. Brush Hill Rd., Special Care NurseryElmhurst, IL 60126-5658 · Phone (331) 221-3007 · Fax (331) 221-3832

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)

Tricia Lyn Thomson M.d. 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 Tricia Thomson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Endeavor Health Medical Group

32 mi

Allergy & Immunology

1000 CENTRAL ST
Evanston, IL 60201

Reassigned Medicare billing, Illinois enrollment
4,841 clinicians in this Medicare group

NPI 1497701882 (847) 570-5235

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

Other Providers at the Same Location NPPES 16

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

DR. RENEE LORI PEKSA-SINK D.O.

Emergency Medicine

801 S. WASHINGTON ST., EMERGENCY MEDICINE
NAPERVILLE, IL 60540

Dupage County (630) 527-3000

ZANKHANA MASTER DESAI MD

Pediatrics

801 S. WASHINGTON ST., NICU
NAPERVILLE, IL 60540

Dupage County (630) 527-3234

VIBHABEN A THAKER MD

Pediatrics (Neonatal-Perinatal Medicine)

801 S. WASHINGTON ST., NICU
NAPERVILLE, IL 60540

Dupage County (630) 527-3234

SOFIA PADILLA M.D.

Pediatrics (Pediatric Critical Care Medicine)

801 S. WASHINGTON ST., PICU
NAPERVILLE, IL 60540

Dupage County (630) 527-3234

DEANNA L HOLLEMAN-DURAY MD

Pediatrics (Neonatal-Perinatal Medicine)

801 S. WASHINGTON ST., NICU
NAPERVILLE, IL 60540

Dupage County (630) 527-3234

DR. AGNIESZKA NOWAK MD

Emergency Medicine

801 S. WASHINGTON ST., EMERGENCY MEDICINE
NAPERVILE, IL 60540

Dupage County (630) 527-3000

DR. KATRINA SKOOG NGUYEN DO

Emergency Medicine

801 S. WASHINGTON ST., EMERGENCY MEDICINE
NAPERVILE, IL 60540

Dupage County (630) 527-3000

DR. KARY K WISNIEWSKI M.D.

Emergency Medicine

801 S. WASHINGTON ST., EDWARD HOSPITAL
NAPERVILLE, IL 60540

Dupage County (630) 527-3358

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 Tricia Thomson's NPI number?

The NPI number for Tricia Thomson is 1104087030. It was assigned to this individual provider in the NPPES registry on June 23, 2008.

Where is Tricia Thomson located?

Tricia Thomson practices at 801 S. Washington St. Nicu, Naperville, IL 60540. The listed phone number is (630) 527-3234.

What is Tricia Thomson's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Tricia Thomson enrolled in Medicare?

Yes. Tricia Thomson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Tricia Thomson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tricia Thomson reassigns Medicare benefits to Endeavor Health Medical Group (Evanston, 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 Tricia Thomson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tricia Thomson accept?

Health plans from Oscar Health list Tricia Thomson 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 Tricia Thomson was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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.