Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Christine Leddy Greenia, M.D.

Psychiatry Physician in Newport, RI · enumerated 2012.

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

National Provider Identifier

1003173048

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Registry record

Entity type Individual (Type 1)

Name Christine Leddy Greenia

Credential M.D.

Sex Female

Practice address Newport, RI, 02840

Phone (401) 845-1810

Fax (401) 845-1085

Enumeration date Apr 16, 2012

Last updated in NPPES Dec 9, 2019

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License MD16278 (RI) Primary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care 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
MD16278	Other	RI	LICENSE

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 Christine Greenia?

The National Provider Identifier (NPI) for Christine Greenia is 1003173048, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christine Greenia practice?

The practice location on file with NPPES is in Newport, RI. 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 2019-12-09.