Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jeffrey Kalczynski, DO

Emergency Medicine Physician in Camp Lejeune, NC · enumerated 2021.

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

National Provider Identifier

1386238210

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Registry record

Entity type Individual (Type 1)

Name Jeffrey Kalczynski

Credential DO

Sex Male

Practice address 100 Brewster Blvd, Camp Lejeune, NC, 28547

Phone (910) 450-4357

Enumeration date Feb 22, 2021

Last updated in NPPES Sep 3, 2025

Taxonomy & licenses

171000000X Military Health Care Provider Other Service Providers · License 25MB11969000 (NJ) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 25MB11969000 (NJ) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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

What is the NPI number for Jeffrey Kalczynski?

The National Provider Identifier (NPI) for Jeffrey Kalczynski is 1386238210, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jeffrey Kalczynski practice?

The practice location on file with NPPES is in Camp Lejeune, NC. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-03.