Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Walter D Fonfara, DMD

General Practice Dentistry in Plainfield, CT · enumerated 2007.

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

National Provider Identifier

1104979285

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Registry record

Entity type Individual (Type 1)

Name Dr. Walter D Fonfara

Credential DMD

Sex Male

Practice address 699 Norwich Rd, Plainfield, CT, 06374

Phone (860) 564-1689

Fax (860) 564-1848

Enumeration date Jan 19, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 7841 (CT) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Walter Fonfara practice?

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

What is the NPI number for Walter Fonfara?

The National Provider Identifier (NPI) for Walter Fonfara is 1104979285, a Type 1 (individual) record in the CMS NPPES registry.

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