DR. SEA CHEN M.D., PH.D.
NPI 1518113455
Radiology - Radiation Oncology in Aurora, IL

Q: What is Sea Chen's NPI number?

The NPI number for Sea Chen is 1518113455. It was assigned to this individual provider in the NPPES registry on August 12, 2008.

Q: What is Sea Chen's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Sea Chen was last updated on May 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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 12, 2008PECOS Enrolled

2000 OGDEN AVE, AURORA, IL 60504(630) 978-6250(630) 978-6869 Get Directions Write a Review

NPPES record last updated: May 22, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 22, 2025, Mar 7, 2023, Dec 15, 2021 and 2 more (5 updates tracked since 2017).

On this page

About Dr. Sea Chen M.d., Ph.d. NPPES

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

DR. SEA CHEN M.D., PH.D. (NPI 1518113455) is an individual radiation oncology provider in Aurora, Illinois, licensed in Illinois (036.129426) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1518113455

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameDR. SEA CHENCredential: M.D., PH.D.

Location Address2000 OGDEN AVEAurora, IL 60504-7222

Mailing Address2000 Ogden AveAurora, IL 60504-7222 · (630) 978-6250 · Fax (630) 978-6869

Phone(630) 978-6250

Fax(630) 978-6869

Sole ProprietorNo

Enumeration DateAugust 12, 2008

Last NPPES UpdateMay 22, 20255 updates tracked since enumeration

NPPES CertifiedMay 22, 2025

✔ NPI 1518113455 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

Licenses✔ Licensed in IL · 036.129426✔ Licensed in CA · A108319✔ Licensed in IN · 01070177A

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

2000 OGDEN AVE, Aurora, IL 60504

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sea Chen M.d., Ph.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 Reassignments

Medicare enrollment records show Sea Chen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rush-Copley Medical Group

Same address

Hematology & Oncology

2000 OGDEN AVENUE
Aurora, IL 60504

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Rush-Copley Medical Group Nfp
171 clinicians in this Medicare group

NPI 1033210364 (630) 978-6250

Copley Memorial Hospital, Inc.

0.1 mi

Endocrinology, Diabetes & Metabolism

2040 OGDEN AVE STE 217
Aurora, IL 60504

Reassigned Medicare billing, Illinois enrollment
79 clinicians in this Medicare group

NPI 1619466034 (630) 499-4721

Rush University Medical Center

20 mi

Internal Medicine

2011 YORK ROAD, 2ND FLOOR
Oak Brook, IL 60523

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Rush University Medical Group
2,169 clinicians in this Medicare group

NPI 1801375696 (630) 724-1310

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 60504 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

$181.38 typical visit price

range $59.81 – $181.38

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

Most-billed visit code 99205

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.

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. SAVITHA ALLAM M.D.

Internal Medicine

2000 OGDEN AVE
AURORA, IL 60504

Dupage County (866) 565-8607

FLORIAN WALTER CRNA

Nurse Anesthetist, Certified Registered

2000 OGDEN AVE, RUSH COPLEY MEMORIAL HOSPITAL
AURORA, IL 60504

Dupage County (630) 978-6200

MS. GINGER T. GUINTHER CRNA

Nurse Anesthetist, Certified Registered

2000 OGDEN AVE
AURORA, IL 60504

Dupage County (630) 978-4860

EDWARD C CHEN M.D.

Emergency Medicine

2000 OGDEN AVE, RUSH-COPLEY MEDICAL CENTER, DEPT. OF EMERGENCY SERVICES
AURORA, IL 60504

Dupage County (630) 978-4810

HENRY LEE DO

Student in an Organized Health Care Education/Training Program

2000 OGDEN AVE
AURORA, IL 60504

Dupage County (630) 978-6200

DR. JOSE S SISON MD

Anesthesiology

2000 OGDEN AVE, RUSH COPLEY MEDICAL CENTER
AURORA, IL 60504

Dupage County (630) 978-6200

RD 911, INC

Emergency Medicine

2000 OGDEN AVE
AURORA, IL 60504

Dupage County (630) 978-6200

ALAN ROSENBERG

Emergency Medicine

2000 OGDEN AVE
AURORA, IL 60504

Dupage County (630) 978-4810

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 Sea Chen's NPI number?

The NPI number for Sea Chen is 1518113455. It was assigned to this individual provider in the NPPES registry on August 12, 2008.

Where is Sea Chen located?

Sea Chen practices at 2000 Ogden Ave, Aurora, IL 60504. The listed phone number is (630) 978-6250.

What is Sea Chen's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Sea Chen enrolled in Medicare?

Yes. Sea Chen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sea Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sea Chen reassigns Medicare benefits to 3 organizations: Rush-Copley Medical Group (Aurora, IL), Copley Memorial Hospital, Inc. (Aurora, IL) and Rush University Medical Center (Oak Brook, IL). Each 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 Sea Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sea Chen was last updated on May 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.