What is Dianna Piazza's NPI number?

Dianna Piazza's National Provider Identifier (NPI) is 1104994516, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Dianna Piazza's specialty?

Dianna Piazza is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is Dianna Piazza located?

Dianna Piazza's practice location on file with NPPES is 109 Newtown Road, Danbury, CT 06810.

What is Dianna Piazza's phone number?

The practice phone number listed in the NPPES registry for Dianna Piazza is (203) 792-7246.

Is Dianna Piazza's NPI active?

Yes — Dianna Piazza's NPI (1104994516) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Dianna Piazza, P.A.

NPI 1104994516 · Physician Assistant · Danbury, CT

Dianna Piazza, P.A. is a Physician Assistant provider in Danbury, CT (NPI 1104994516).

Provider details

NPI number: 1104994516
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Credential: P.A.
Sex: Female
Sole proprietor: No
License: 000358 (CT)

Practice location

109 Newtown Road

Danbury, CT 06810

Phone: (203) 792-7246

Fax: (203) 792-9636

Street-level locationGet directions

More CT providers

Mailing address

67 Chamberlin Drive

Huntington, CT 06484

Specialties & taxonomies

Physician AssistantPrimary363A00000XLicense 000358 (CT)
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2006-12-01
Last updated: 2007-07-08

Frequently asked questions

What is Dianna Piazza's NPI number?: Dianna Piazza's National Provider Identifier (NPI) is 1104994516, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Dianna Piazza's specialty?: Dianna Piazza is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
Where is Dianna Piazza located?: Dianna Piazza's practice location on file with NPPES is 109 Newtown Road, Danbury, CT 06810.
What is Dianna Piazza's phone number?: The practice phone number listed in the NPPES registry for Dianna Piazza is (203) 792-7246.
Is Dianna Piazza's NPI active?: Yes — Dianna Piazza's NPI (1104994516) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions