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

MS. Vivian M Mastroianni, PAC

Individual provider Physician Assistant · NPI 1073579694

MS. Vivian M Mastroianni, PAC is a Physician Assistant in Danbury, Connecticut. Licensed in Connecticut. Registered with an NPI since 2006.

Licensed in
CT
In the registry since
2006
What do these letters mean?
PAC — Physician Assistant, Certified
A physician assistant holding current national certification; usually written PA-C.

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Practice location Address checks out

73 Sand Pit Rd Ste 207
Danbury, CT 06810-4042
Phone: (203) 792-4151
Fax: (203) 792-4155
Show map & directions

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 000274 (CT)

Record details

NPI number1073579694
Entity typeIndividual (Type 1)
GenderFemale
Credentials PAC
Sole proprietorNo
NPI enumeratedApril 22, 2006
Last updated in NPPESMarch 4, 2008

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