Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Robert D. Thomas, M.D.

Otolaryngology Physician in Chicago Hts, IL · enumerated 2006.

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

National Provider Identifier

1699733774

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Registry record

Entity type Individual (Type 1)

Name Robert D. Thomas

Credential M.D.

Sex Male

Practice address 333 Dixie Hwy, Chicago Hts, IL, 60411

Phone (708) 756-0100

Fax (708) 709-6353

Enumeration date May 1, 2006

Last updated in NPPES May 2, 2017

Taxonomy & licenses

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License 036111289 (IL) Secondary

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License 036.111289 (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
036111289	Medicaid	IL	-
4673170001	Other	IL	DMERC
P00155004/CK6882	Other	IL	RAILROAD MEDICARE

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 Robert Thomas?

The National Provider Identifier (NPI) for Robert Thomas is 1699733774, a Type 1 (individual) record in the CMS NPPES registry.

Where does Robert Thomas practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-05-02.