Karen Costas, RD
NPI 1730278870 · Pediatric Nutrition Registered Dietitian · Boston, MA
Karen Costas, RD is a Pediatric Nutrition Registered Dietitian provider in Boston, MA (NPI 1730278870).
Provider details
- NPI number
- 1730278870
- Entity type
- Individual
- Primary specialty
- Pediatric Nutrition Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- No
- License
- 160 (MA)
Specialties & taxonomies
Dietary & Nutritional Service 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
- 2006-10-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karen Costas's NPI number?
- Karen Costas's National Provider Identifier (NPI) is 1730278870, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Costas's specialty?
- Karen Costas is listed in the NPPES registry with a primary specialty of Pediatric Nutrition Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Karen Costas located?
- Karen Costas's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Karen Costas's phone number?
- The practice phone number listed in the NPPES registry for Karen Costas is (617) 355-4545.
- Is Karen Costas's NPI active?
- Yes — Karen Costas's NPI (1730278870) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.