Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Thomas A. Mayer, MD

Q: What is the NPI number for Thomas Mayer?

The National Provider Identifier (NPI) for Thomas Mayer is 1013937150, a Type 1 (individual) record in the CMS NPPES registry.

Interventional Cardiology Physician in Bannockburn, IL · enumerated 2006.

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

National Provider Identifier

1013937150

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Registry record

Entity type Individual (Type 1)

Name Thomas A. Mayer

Credential MD

Sex Male

Practice address 2151 Waukegan Rd Ste 100, Bannockburn, IL, 60015

Phone (847) 444-5300

Fax (847) 267-1429

Enumeration date Jul 20, 2006

Last updated in NPPES Oct 6, 2020

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 36069502 (IL) Secondary

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 36069502 (IL) Secondary

207RI0011X Interventional Cardiology Physician Allopathic & Osteopathic Physicians · License 36069502 (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
36069502	Medicaid	IL	-
L01384	Other	IL	MEDICARE PIN LOCALITY 15
04915267	Other	IL	BLUE CROSS BLUE SHIELD
110047112	Other	IL	RAILROAD MEDICARE
K04929	Other	IL	MEDICARE PIN LOCALITY 16

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 Mayer?

The National Provider Identifier (NPI) for Thomas Mayer is 1013937150, a Type 1 (individual) record in the CMS NPPES registry.

Where does Thomas Mayer practice?

The practice location on file with NPPES is in Bannockburn, 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 2020-10-06.