Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Thomas Eugene Liao, M.D.

Q: What is the NPI number for Thomas Liao?

The National Provider Identifier (NPI) for Thomas Liao is 1356348270, a Type 1 (individual) record in the CMS NPPES registry.

Pulmonary Disease Physician in Chicago, IL · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1356348270

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Registry record

Entity type Individual (Type 1)

Name Dr. Thomas Eugene Liao

Credential M.D.

Sex Male

Practice address 5600 W Addison St, Ste 304, Chicago, IL, 60634

Phone (773) 481-1570

Fax (773) 481-0547

Enumeration date Jul 7, 2005

Last updated in NPPES Apr 14, 2016

Taxonomy & licenses

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 036064623 (IL) Secondary

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License 036064623 (IL) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
036064623	Medicaid	IL	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Thomas Liao?

The National Provider Identifier (NPI) for Thomas Liao is 1356348270, a Type 1 (individual) record in the CMS NPPES registry.

Where does Thomas Liao practice?

The practice location on file with NPPES is in Chicago, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Sarah Alderman Pulmonary Disease Physician · Chicago, IL NPI 1912904822 Rada Ivanov Critical Care Medicine (Internal Medicine) Physician · Chicago, IL NPI 1790782613 Presence Healthcare Services Primary Care Clinic/Center · Chicago, IL NPI 1093780181 Mao Chen Internal Medicine Physician · Chicago, IL NPI 1295794345 Oty Shapiro General Practice Physician · Chicago, IL NPI 1851350540 Fadi Habib Urology Physician · Chicago, IL NPI 1013963164 Godwin D'Souza Internal Medicine Physician · Chicago, IL NPI 1619915295 Merlyn D'Souza Legal Medicine · Chicago, IL NPI 1578501086

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-04-14.