IndividualActive
Grace Phelan, MS, RD, LDN, CNSC
NPI 1558585596 · Registered Dietitian · Boston, MA
Grace Phelan, MS, RD, LDN, CNSC is a Registered Dietitian provider in Boston, MA (NPI 1558585596).
Provider details
- NPI number
- 1558585596
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MS, RD, LDN, CNSC
- Sex
- Female
- Sole proprietor
- No
- License
- 2359 (MA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(89/100 index)
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
750 Washington St
#783
Boston, MA 02111-1526
Phone: (617) 636-6428
Street-level locationGet directions
Mailing address
800 Washington St
Boston, MA 02111-1552
Registry dates
- Enumerated
- 2007-04-12
- Last updated
- 2016-05-11
Frequently asked questions
- What is Grace Phelan's NPI number?
- Grace Phelan's National Provider Identifier (NPI) is 1558585596, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Phelan's specialty?
- Grace Phelan is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Grace Phelan located?
- Grace Phelan's practice location on file with NPPES is 750 Washington St, Boston, MA 02111-1526.
- What is Grace Phelan's phone number?
- The practice phone number listed in the NPPES registry for Grace Phelan is (617) 636-6428.
- Is Grace Phelan's NPI active?
- Yes — Grace Phelan's NPI (1558585596) is active in the NPPES registry as of the last update on 2016-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.