NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Daniel Mccadden, PA

Medical Physician Assistant in Baltimore, MD · enumerated 2006.

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

National Provider Identifier

1639241912

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name John Daniel Mccadden
Credential PA
Sex Male
Practice address 4924 Campbell Blvd Ste 125, Baltimore, MD, 21236
Phone (443) 461-1997
Enumeration date Nov 14, 2006
Last updated in NPPES Jun 5, 2025

Taxonomy & licenses

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License C0003374 (MD) Primary
PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA 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 John Mccadden?
The National Provider Identifier (NPI) for John Mccadden is 1639241912, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Mccadden practice?
The practice location on file with NPPES is in Baltimore, MD. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-05.