Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kailie Elizabeth Perez

Obstetrics & Gynecology Nurse Practitioner in North Chelmsford, MA · enumerated 2023.

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

National Provider Identifier

1245918143

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Registry record

Entity type Individual (Type 1)

Name Kailie Elizabeth Perez

Sex Female

Practice address 164 Main St, North Chelmsford, MA, 01863

Phone (757) 871-2565

Enumeration date Jul 10, 2023

Last updated in NPPES Jul 10, 2023

Taxonomy & licenses

363LX0001X Obstetrics & Gynecology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN2310694 (MA) 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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Kailie Perez?

Kailie Perez is registered in NPPES with the primary taxonomy of Obstetrics & Gynecology Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-10.