Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Ronald H. Delfini, DDS, PC

Organization Periodontics · NPI 1730199407

Ronald H. Delfini, DDS, PC is a Periodontics in New Haven, Connecticut. Licensed in Connecticut. Registered with an NPI since 2006.

Licensed in
CT
In the registry since
2006
Specialties on file
2
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1204 Chapel St
New Haven, CT 06511-4777
Phone: (203) 787-4770
Fax: (203) 498-2825
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Periodontics (primary) Taxonomy 1223P0300X · Licence 7947 (CT)
Periodontics Taxonomy 1223P0300X · Licence 4265 (CT)

Record details

NPI number1730199407
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ronald Delfini — President · (203) 787-4770
NPI enumeratedAugust 8, 2006
Last updated in NPPESAugust 22, 2020
Mailing address1204 Chapel St, New Haven, CT 06511-4777

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