Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary J. Barton, CNP

Q: What is the NPI number for Mary Barton?

The National Provider Identifier (NPI) for Mary Barton is 1437226594, a Type 1 (individual) record in the CMS NPPES registry.

Adult Health Nurse Practitioner in Lombard, IL · enumerated 2006.

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

National Provider Identifier

1437226594

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Registry record

Entity type Individual (Type 1)

Name Mary J. Barton

Credential CNP

Sex Female

Practice address 2340 S Highland Ave, Suite 210, Lombard, IL, 60148

Phone (630) 932-2020

Fax (630) 932-4688

Enumeration date Nov 30, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209-004572 (IL) Primary

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 Mary Barton?

The National Provider Identifier (NPI) for Mary Barton is 1437226594, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mary Barton practice?

The practice location on file with NPPES is in Lombard, 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 2007-07-08.