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Dr. Nancy E Bayer, D.C.

Dr. Nancy E Bayer is a Chiropractor provider (Chiropractor) practicing in Barrington, IL, registered in the NPPES registry with NPI 1871581918 since 2005. The credential DC stands for Doctor of Chiropractic.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1871581918
Entity type Individual (Type 1)
Name Dr. Nancy E Bayer
Credential D.C.
Sex Female
Practice address Barrington, IL, 60010
Phone 4699950093
Enumeration date 2005-10-12
Last updated in NPPES 2020-11-01

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
111N00000X Chiropractor Secondary 6820 TX
111N00000X Chiropractor Secondary 1387 AR
111N00000X Chiropractor Primary 038006183 IL

DC — Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential

Other identifiers

Identifier Type State Issuer
1632590 Other IL BLUE CROSS
Copy-ready billing details
Provider: Nancy Bayer, D.C.
NPI: 1871581918
Taxonomy: 111N00000X (Chiropractor)
Address: Barrington, IL, 60010

Verify this record

Cross-check NPI 1871581918 against the authoritative CMS record: view Dr. Nancy E Bayer on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What is the NPI number for Nancy Bayer?
The National Provider Identifier (NPI) for Nancy Bayer is 1871581918, a Type 1 (individual) record in the CMS NPPES registry.
Where does Nancy Bayer practice?
The practice location on file with NPPES is in Barrington, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2020-11-01.