Nancy Ragosta-Mazza, OD
NPI 1891893277 · Optometrist · Johnston, RI
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Ragosta-Mazza, OD is a Optometrist provider in Johnston, RI (NPI 1891893277).
Provider details
- NPI number
- 1891893277
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- Yes
- License
- ODT423 (RI)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-09-20
- Last updated
- 2009-05-06
Frequently asked questions
- What is Nancy Ragosta-Mazza's NPI number?
- Nancy Ragosta-Mazza's National Provider Identifier (NPI) is 1891893277, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Ragosta-Mazza's specialty?
- Nancy Ragosta-Mazza is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Nancy Ragosta-Mazza located?
- Nancy Ragosta-Mazza's practice location on file with NPPES is 1500 Atwood Ave, Johnston, RI 02919-3227.
- What is Nancy Ragosta-Mazza's phone number?
- The practice phone number listed in the NPPES registry for Nancy Ragosta-Mazza is (401) 521-0102.
- Does Nancy Ragosta-Mazza accept Medicare?
- Nancy Ragosta-Mazza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Ragosta-Mazza's NPI active?
- Yes — Nancy Ragosta-Mazza's NPI (1891893277) is active in the NPPES registry as of the last update on 2009-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.