Teresa Mastroianni, FNP
NPI 1295533537 · Family Nurse Practitioner · Natick, MA
Teresa Mastroianni, FNP is a Family Nurse Practitioner provider in Natick, MA (NPI 1295533537).
Provider details
- NPI number
- 1295533537
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-03-04
- Last updated
- 2025-04-01
- Certified
- 2025-04-01
Frequently asked questions
- What is Teresa Mastroianni's NPI number?
- Teresa Mastroianni's National Provider Identifier (NPI) is 1295533537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Teresa Mastroianni's specialty?
- Teresa Mastroianni is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Teresa Mastroianni located?
- Teresa Mastroianni's practice location on file with NPPES is 117 W Central St, Natick, MA 01760-4381.
- What is Teresa Mastroianni's phone number?
- The practice phone number listed in the NPPES registry for Teresa Mastroianni is (508) 566-5943.
- Is Teresa Mastroianni's NPI active?
- Yes — Teresa Mastroianni's NPI (1295533537) is active in the NPPES registry as of the last update on 2025-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.