Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Arnold Lee Dellon, M.D.
Specialist in Towson, MD · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1629096771
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Registry record
Entity type Individual (Type 1)
Name Arnold Lee Dellon
Credential M.D.
Sex Male
Practice address 1122 Kenilworth Dr, Suite 18, Towson, MD, 21204
Phone (410) 337-5400
Fax (410) 337-0040
Enumeration date Jul 17, 2006
Last updated in NPPES Mar 3, 2017
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD 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.
Frequently asked questions
Where does Arnold Dellon practice?
The practice location on file with NPPES is in Towson, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Arnold Dellon?
The National Provider Identifier (NPI) for Arnold Dellon is 1629096771, a Type 1 (individual) record in the CMS NPPES registry.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-03-03.