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

THOMAS J MULLIN JR. MD
NPI 1053313403
Emergency Medicine in Downers Grove, IL

Active since August 15, 2005PECOS Enrolled
ADVOCATE GOOD SAMARITAN HOSPITAL, 3815 HIGHLAND AVE, DOWNERS GROVE, IL 60515(630) 275-5900(630) 734-1560 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Thomas J Mullin Jr. Md NPPES

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

THOMAS J MULLIN JR. MD (NPI 1053313403) is an individual emergency medicine provider in Downers Grove, Illinois and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1053313403
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameTHOMAS J MULLIN JR.Credential: MD
Location AddressADVOCATE GOOD SAMARITAN HOSPITAL, 3815 HIGHLAND AVEDowners Grove, IL 60515
Mailing AddressPo Box 88495, Dept AChicago, IL 60680-1495 · (630) 734-0200 · Fax (630) 734-1560
Phone(630) 275-5900
Fax(630) 734-1560
Sole ProprietorNo
Enumeration DateAugust 15, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1053313403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
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.
ADVOCATE GOOD SAMARITAN HOSPITAL, Downers Grove, IL 60515
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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 J Mullin 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 60515 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

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

JOHN F KORPICS MD
Emergency Medicine
ADVOCATE GOOD SAMARITAN HOSPITAL, 3815 HIGHLAND AVE
DOWNER'S GROVE, IL 60515
Dupage County (630) 275-5900

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 Mullin's NPI number?

The NPI number for Thomas Mullin is 1053313403. It was assigned to this individual provider in the NPPES registry on August 15, 2005.

Where is Thomas Mullin located?

Thomas Mullin practices at Advocate Good Samaritan Hospital 3815 Highland Ave, Downers Grove, IL 60515. The listed phone number is (630) 275-5900.

What is Thomas Mullin's specialty?

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

Is Thomas Mullin enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Thomas Mullin was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 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.