Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Ariel N Rad, M.D., PH.D.
Specialist in Washington, DC · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1538215843
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Registry record
Entity type Individual (Type 1)
Name Dr. Ariel N Rad
Credential M.D., PH.D.
Sex Male
Practice address 1101 15th St Nw, Ste 100, Washington, DC, 20005
Phone (202) 517-7299
Enumeration date Jan 27, 2007
Last updated in NPPES Jan 16, 2019
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 Ariel Rad practice?
The practice location on file with NPPES is in Washington, DC. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ariel Rad?
The National Provider Identifier (NPI) for Ariel Rad is 1538215843, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-01-16.