CHRISTOPHER M CALLAHAN NP
NPI 1366335325
Nurse Practitioner in North Reading, MA

Q: What is Christopher Callahan's NPI number?

The NPI number for Christopher Callahan is 1366335325. It was assigned to this individual provider in the NPPES registry on May 29, 2025.

Q: What is Christopher Callahan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Active since May 29, 2025

18 STRAWBERRY LN, NORTH READING, MA 01864(339) 222-0318 Get Directions Write a Review

NPPES record last updated: May 29, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Christopher M Callahan Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTOPHER M CALLAHAN NP (NPI 1366335325) is an individual nurse practitioner in North Reading, Massachusetts, licensed in Massachusetts (RN217427) and active in the NPI registry since May 2025.

NPPES Registry Identity

NPI1366335325

Entity TypeIndividualMale

Primary Taxonomy363L00000X

Provider Legal NameCHRISTOPHER M CALLAHANCredential: NP

Location Address18 STRAWBERRY LNNorth Reading, MA 01864-2454

Mailing Address18 Strawberry LnNorth Reading, MA 01864-2454 · (339) 222-0318

Phone(339) 222-0318

Sole ProprietorYes

Enumeration DateMay 29, 2025

NPPES CertifiedMay 29, 2025

✔ NPI 1366335325 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in MA · RN217427

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

18 STRAWBERRY LN, North Reading, MA 01864

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christopher Callahan's NPI number?

The NPI number for Christopher Callahan is 1366335325. It was assigned to this individual provider in the NPPES registry on May 29, 2025.

Where is Christopher Callahan located?

Christopher Callahan practices at 18 Strawberry Ln, North Reading, MA 01864. The listed phone number is (339) 222-0318.

What is Christopher Callahan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Christopher Callahan was last updated on May 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.