What is Vivian Mastroianni's NPI number?

Vivian Mastroianni's National Provider Identifier (NPI) is 1073579694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Vivian Mastroianni's specialty?

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

Where is Vivian Mastroianni located?

Vivian Mastroianni's practice location on file with NPPES is 73 Sand Pit Rd, Danbury, CT 06810-4042.

What is Vivian Mastroianni's phone number?

The practice phone number listed in the NPPES registry for Vivian Mastroianni is (203) 792-4151.

Is Vivian Mastroianni's NPI active?

Yes — Vivian Mastroianni's NPI (1073579694) is active in the NPPES registry as of the last update on 2008-03-04.

IndividualActive

Vivian Mastroianni, PA C

NPI 1073579694 · Physician Assistant · Danbury, CT

Vivian Mastroianni, PA C is a Physician Assistant provider in Danbury, CT (NPI 1073579694).

Provider details

NPI number: 1073579694
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Credential: PA C
Sex: Female
Sole proprietor: No
License: 000274 (CT)

Practice location

73 Sand Pit Rd

Suite 207

Danbury, CT 06810-4042

Phone: (203) 792-4151

Fax: (203) 792-4155

Street-level locationGet directions

More CT providers

Mailing address

73 Sand Pit Rd

Danbury, CT 06810-4042

Specialties & taxonomies

Physician AssistantPrimary363A00000XLicense 000274 (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
20 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: 2006-04-22
Last updated: 2008-03-04

Frequently asked questions

What is Vivian Mastroianni's NPI number?: Vivian Mastroianni's National Provider Identifier (NPI) is 1073579694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Vivian Mastroianni's specialty?: Vivian Mastroianni is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
Where is Vivian Mastroianni located?: Vivian Mastroianni's practice location on file with NPPES is 73 Sand Pit Rd, Danbury, CT 06810-4042.
What is Vivian Mastroianni's phone number?: The practice phone number listed in the NPPES registry for Vivian Mastroianni is (203) 792-4151.
Is Vivian Mastroianni's NPI active?: Yes — Vivian Mastroianni's NPI (1073579694) is active in the NPPES registry as of the last update on 2008-03-04.

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