IndividualActive
Katherine Mattis, RD, CDN
NPI 1598209363 · Registered Dietitian · Bridgeport, CT
Katherine Mattis, RD, CDN is a Registered Dietitian provider in Bridgeport, CT (NPI 1598209363).
Provider details
- NPI number
- 1598209363
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, CDN
- Sex
- Female
- Sole proprietor
- No
- License
- 1467 (CT)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
267 Grant St
Bridgeport, CT 06610-2805
Phone: (203) 384-3075
Street-level locationGet directions
Mailing address
130 Division St
Derby, CT 06418-1326
Additional practice locations (1)
- 130 Division StDerby, CT 06418-1326Phone: (203) 732-7585Fax: (203) 732-7579
Registry dates
- Enumerated
- 2016-12-13
- Last updated
- 2018-04-13
Frequently asked questions
- What is Katherine Mattis's NPI number?
- Katherine Mattis's National Provider Identifier (NPI) is 1598209363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Mattis's specialty?
- Katherine Mattis is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Katherine Mattis located?
- Katherine Mattis's practice location on file with NPPES is 267 Grant St, Bridgeport, CT 06610-2805.
- What is Katherine Mattis's phone number?
- The practice phone number listed in the NPPES registry for Katherine Mattis is (203) 384-3075.
- Is Katherine Mattis's NPI active?
- Yes — Katherine Mattis's NPI (1598209363) is active in the NPPES registry as of the last update on 2018-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.