Marianne Fonseca, RN
NPI 1154848703 · Registered Nurse · Onset, MA
Marianne Fonseca, RN is a Registered Nurse provider in Onset, MA (NPI 1154848703).
Provider details
- NPI number
- 1154848703
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1931 (MA)
Specialties & taxonomies
Nursing Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-08-24
- Last updated
- 2022-05-20
- Certified
- 2022-05-20
Frequently asked questions
- What is Marianne Fonseca's NPI number?
- Marianne Fonseca's National Provider Identifier (NPI) is 1154848703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Fonseca's specialty?
- Marianne Fonseca is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Marianne Fonseca located?
- Marianne Fonseca's practice location on file with NPPES is 18 Union Ave, Onset, MA 02558.
- What is Marianne Fonseca's phone number?
- The practice phone number listed in the NPPES registry for Marianne Fonseca is (508) 295-5232.
- Is Marianne Fonseca's NPI active?
- Yes — Marianne Fonseca's NPI (1154848703) is active in the NPPES registry as of the last update on 2022-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.