Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marc W Diamond, MD

Pediatrics Physician in Johnston, RI · enumerated 2006.

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

National Provider Identifier

1487721148

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Registry record

Entity type Individual (Type 1)

Name Marc W Diamond

Credential MD

Sex Male

Practice address 1524 Atwood Ave Suite 110, Atwood Pediatrics Inc, Johnston, RI, 02919

Phone (401) 274-2910

Fax (401) 274-8907

Enumeration date Nov 29, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 7052 (RI) Primary

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.

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Frequently asked questions

How do I verify Marc Diamond's NPI record?

Cross-check NPI 1487721148 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1487721148 active?

Yes, as of the latest NPPES snapshot, NPI 1487721148 is active (record last updated 2007-07-08).

Other providers at this practice address

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Leonora First Pediatrics Physician · Johnston, RI NPI 1265581995

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.