Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Denise Smith Johnson, PA-C
Physician Assistant in Waldorf, MD · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124226147
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Registry record
Entity type Individual (Type 1)
Name Denise Smith Johnson
Credential PA-C
Sex Female
Practice address 12101 Old Line Ctr, Waldorf, MD, 20602
Phone (301) 843-2223
Fax (301) 705-9720
Enumeration date Jul 11, 2007
Last updated in NPPES Jun 18, 2013
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License C0002293 (MD) Primary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA30173 (DC) Secondary
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.
Frequently asked questions
Where does Denise Johnson practice?
The practice location on file with NPPES is in Waldorf, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Denise Johnson?
The National Provider Identifier (NPI) for Denise Johnson is 1124226147, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-06-18.