Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sidney P Diamond, MD

Neurology Physician in Elmhurst, NY · enumerated 2006.

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

National Provider Identifier

1487609186

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Registry record

Entity type Individual (Type 1)

Name Sidney P Diamond

Credential MD

Sex Male

Practice address 79-01 Broadway, Room A1-9, Elmhurst, NY, 11373

Phone (718) 334-4952

Fax (718) 334-4815

Enumeration date May 23, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 089683 (NY) Primary

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
00975333	Medicaid	NY	-

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 Sidney Diamond?

The National Provider Identifier (NPI) for Sidney Diamond is 1487609186, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sidney Diamond practice?

The practice location on file with NPPES is in Elmhurst, NY. 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 2007-07-08.