Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John Joseph Palmieri, MD

Neurology Physician in Arlington, VA · enumerated 2005.

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

National Provider Identifier

1689664864

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Registry record

Entity type Individual (Type 1)

Name Dr. John Joseph Palmieri

Credential MD

Sex Male

Practice address 2100 Washington Blvd Fl 4, Arlington, VA, 22204

Phone (703) 228-1698

Fax (703) 228-1117

Enumeration date Oct 27, 2005

Last updated in NPPES Jun 9, 2015

Taxonomy & licenses

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 0101257864 (VA) Primary

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 224014 (MA) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
2111101	Medicaid	MA	-

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 Palmieri?

The National Provider Identifier (NPI) for John Palmieri is 1689664864, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Palmieri practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-06-09.