IndividualActive
Mary-Jon Ludy, MS, RD, LDN
NPI 1386853380 · Registered Dietitian · Boston, MA
Mary-Jon Ludy, MS, RD, LDN is a Registered Dietitian provider in Boston, MA (NPI 1386853380).
Provider details
- NPI number
- 1386853380
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MS, RD, LDN
- Sex
- Female
- Sole proprietor
- No
- License
- 2263 (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
165 Cambridge St
Suite 402
Boston, MA 02114-2783
Phone: (617) 724-0906
Fax: (617) 726-4277
Street-level locationGet directions
Mailing address
165 Cambridge St
Boston, MA 02114-2783
Registry dates
- Enumerated
- 2007-05-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary-Jon Ludy's NPI number?
- Mary-Jon Ludy's National Provider Identifier (NPI) is 1386853380, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary-Jon Ludy's specialty?
- Mary-Jon Ludy is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Mary-Jon Ludy located?
- Mary-Jon Ludy's practice location on file with NPPES is 165 Cambridge St, Boston, MA 02114-2783.
- What is Mary-Jon Ludy's phone number?
- The practice phone number listed in the NPPES registry for Mary-Jon Ludy is (617) 724-0906.
- Is Mary-Jon Ludy's NPI active?
- Yes — Mary-Jon Ludy's NPI (1386853380) 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.