Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Christian Aaron Johnson, D.M.D.

General Practice Dentistry in Waldorf, MD · enumerated 2007 · practices at Steven D. Younger, D.D.S., P.A..

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

National Provider Identifier

1154530582

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Registry record

Entity type Individual (Type 1)

Name Dr. Christian Aaron Johnson

Credential D.M.D.

Sex Male

Practice address 6 Industrial Park Dr Ste A, Waldorf, MD, 20602

Phone (301) 645-3230

Fax (301) 645-9186

Enumeration date May 22, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 13368 (MD) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD 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 Christian Johnson?

The National Provider Identifier (NPI) for Christian Johnson is 1154530582, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christian Johnson practice?

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

Other providers at this practice address

Browse all →

Steven Younger General Practice Dentistry · Waldorf, MD NPI 1235355140 Steven D. Younger, D.D.S., P.A. General Practice Dentistry · Waldorf, MD NPI 1538387345

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.