THOMAS JOHN NG
NPI 1568098572
Emergency Medicine in Chicago, IL

Q: What is Thomas Ng's NPI number?

The NPI number for Thomas Ng is 1568098572. It was assigned to this individual provider in the NPPES registry on March 21, 2020.

Q: What is Thomas Ng's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Thomas Ng was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 March 21, 2020PECOS Enrolled

251 E HURON ST, CHICAGO, IL 60611(312) 926-2000 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 3, 2026, Jun 13, 2020, Mar 21, 2020 (3 updates tracked since 2020).

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About Thomas John Ng NPPES

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

THOMAS JOHN NG (NPI 1568098572) is an individual emergency medicine provider in Chicago, Illinois, licensed in South Carolina (97198) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1568098572

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameTHOMAS JOHN NG

Location Address251 E HURON STChicago, IL 60611-3055

Mailing Address251 E Huron StChicago, IL 60611-3055 · (312) 926-2000

Phone(312) 926-2000

Sole ProprietorNo

Enumeration DateMarch 21, 2020

Last NPPES UpdateAugust 3, 20263 updates tracked since enumeration

NPPES CertifiedAugust 3, 2026

✔ NPI 1568098572 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 SC · 97198✔ Licensed in IL · 125075793

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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

251 E HURON ST, Chicago, IL 60611

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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)

Thomas John Ng 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 Thomas Ng reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cep America LLC

562 mi

Emergency Medicine

1 SAINT FRANCIS DR
Greenville, SC 29601

Reassigned Medicare billing, South Carolina enrollment
103 clinicians in this Medicare group

NPI 1629817630 (864) 255-1000

Emergency Medicine Associates P.A., P.C.

577 mi

Emergency Medicine

1850 TOWN CENTER PKWY
Reston, VA 20190

Reassigned Medicare billing, District of Columbia enrollment
1,150 clinicians in this Medicare group

NPI 1932064268 (330) 493-4443

Mep Health, LLC

581 mi

Emergency Medicine

9901 MEDICAL CENTER DR
Rockville, MD 20850

Reassigned Medicare billing, District of Columbia enrollment
251 clinicians in this Medicare group

NPI 1164483558 (330) 493-4443

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

180 services177 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

105 services100 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

39 services39 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

36 services35 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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

$94.06 typical visit price

range $60.08 – $183.39

Typical copayment $23.51 (range $15.02 – $45.84)

Most-billed visit code 99203

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

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 20

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

MARK WANG M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

251 E HURON ST, FEINBERG PAVILION
CHICAGO, IL 60611

Cook County (312) 503-8144

DR. MARLEY ANN DOYLE M/D.

Psychiatry & Neurology (Psychiatry)

251 E HURON ST, GALTER 3-150, C
CHICAGO, IL 60611

Cook County (312) 926-6895

CASSIDY SCHWAB MD

Anesthesiology