Marissa Mastroianni
NPI 1972499952 · Speech-Language Pathologist · Dix Hills, NY
Marissa Mastroianni is a Speech-Language Pathologist provider in Dix Hills, NY (NPI 1972499952).
Provider details
- NPI number
- 1972499952
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sole proprietor
- No
Specialties & taxonomies
Speech, Language and Hearing Service Providers
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
- 2025-06-16
- Last updated
- 2025-06-16
- Certified
- 2025-06-16
Frequently asked questions
- What is Marissa Mastroianni's NPI number?
- Marissa Mastroianni's National Provider Identifier (NPI) is 1972499952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Mastroianni's specialty?
- Marissa Mastroianni is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Marissa Mastroianni located?
- Marissa Mastroianni's practice location on file with NPPES is 8 Gleason Dr, Dix Hills, NY 11746-6535.
- What is Marissa Mastroianni's phone number?
- The practice phone number listed in the NPPES registry for Marissa Mastroianni is (631) 944-2038.
- Is Marissa Mastroianni's NPI active?
- Yes — Marissa Mastroianni's NPI (1972499952) is active in the NPPES registry as of the last update on 2025-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.