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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

THOMAS CHARLES MARCONI JR. MD
NPI 1740863794
Emergency Medicine in Newark, DE

Active since April 28, 2021PECOS Enrolled
4755 OGLETOWN STANTON ROAD, NEWARK, DE 19178(302) 733-1840 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 20, 2026, Jul 13, 2026, Jul 6, 2026 and 1 more (4 updates tracked since 2021).

About Thomas Charles Marconi Jr. Md NPPES

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

THOMAS CHARLES MARCONI JR. MD (NPI 1740863794) is an individual emergency medicine provider in Newark, Delaware, licensed in Delaware (C1-0029486) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740863794
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameTHOMAS CHARLES MARCONI JR.Credential: MD
Location Address4755 OGLETOWN STANTON ROADNewark, DE 19178
Mailing Address4755 Ogletown Stanton RoadNewark, DE 19178 · (302) 733-1840
Phone(302) 733-1840
Sole ProprietorNo
Enumeration DateApril 28, 2021
Last NPPES UpdateJuly 20, 20264 updates tracked since enumeration
NPPES CertifiedJuly 20, 2026
✔ NPI 1740863794 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in DE · C1-0029486✔ Licensed in MD · D0106800
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedInternal MedicineTaxonomy 207R00000X · License C1-0029486 (DE), D0106800 (MD)
4755 OGLETOWN STANTON ROAD, Newark, DE 19178
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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 (PECOS)

Thomas Charles Marconi Jr. Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19178 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
$92.69 typical visit price
range $59.88 – $180.99
Typical copayment $23.17 (range $14.97 – $45.24)
Most-billed visit code 99203
Established Patient
$105.21 typical visit price
range $19.30 – $147.29
Typical copayment $26.30 (range $4.82 – $36.82)
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.

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 Thomas Marconi's NPI number?

The NPI number for Thomas Marconi is 1740863794. It was assigned to this individual provider in the NPPES registry on April 28, 2021.

Where is Thomas Marconi located?

Thomas Marconi practices at 4755 Ogletown Stanton Road, Newark, DE 19178. The listed phone number is (302) 733-1840.

What is Thomas Marconi's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Thomas Marconi enrolled in Medicare?

Yes. Thomas Marconi is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Thomas Marconi was last updated on July 20, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.