Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christopher Karolenko

Basic Emergency Medical Technician in Baltimore, MD · enumerated 2026.

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

National Provider Identifier

1891653978

Verified

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Registry record

Entity type Individual (Type 1)

Name Christopher Karolenko

Sex Male

Practice address 4330 Broening Hwy, Baltimore, MD, 21222

Phone (410) 816-7602

Enumeration date Jan 15, 2026

Last updated in NPPES Jan 15, 2026

Taxonomy & licenses

146N00000X Basic Emergency Medical Technician Emergency Medical Service Providers · License 0013338 (MD) 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 Christopher Karolenko?

The National Provider Identifier (NPI) for Christopher Karolenko is 1891653978, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christopher Karolenko practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-15.