Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Mark Allen Keresztesy, D.C.

Chiropractor in Rolling Meadows, IL · enumerated 2011.

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

National Provider Identifier

1568751147

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Registry record

Entity type Individual (Type 1)

Name Dr. Mark Allen Keresztesy

Credential D.C.

Sex Male

Practice address Rolling Meadows, IL, 60008

Phone (224) 805-2054

Enumeration date Apr 4, 2011

Last updated in NPPES Feb 20, 2026

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

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License 038.011519 (IL) Primary

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

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

Where does Mark Keresztesy practice?

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

What is the NPI number for Mark Keresztesy?

The National Provider Identifier (NPI) for Mark Keresztesy is 1568751147, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-20.