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

Matthew Delmastro, APRN

Individual provider Nurse Practitioner · NPI 1669937959

Matthew Delmastro, APRN is a Nurse Practitioner in Greenwich, Connecticut. Licensed in Connecticut. Registered with an NPI since 2019.

Licensed in
CT
In the registry since
2019
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

See every abbreviation used in this directory →

Practice location Address checks out

15 Valley Dr Ste 200
Greenwich, CT 06831-5205
Phone: (203) 863-4210
Fax: (203) 622-1872
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 7396 (CT)

Record details

NPI number1669937959
Entity typeIndividual (Type 1)
GenderMale
Credentials APRN
Sole proprietorNo
NPI enumeratedJanuary 31, 2019
Last updated in NPPESJanuary 31, 2019
Mailing address31 Tanglewood Ln, Naugatuck, CT 06770-1619

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