Hillary Mamis, RD, LDN
NPI 1740617596 · Registered Dietitian · Lexington, MA
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hillary Mamis, RD, LDN is a Registered Dietitian provider in Lexington, MA (NPI 1740617596).
Provider details
- NPI number
- 1740617596
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, LDN
- Sex
- Female
- Sole proprietor
- No
- License
- 3389 (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
12 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
- 2013-10-10
- Last updated
- 2015-05-06
Frequently asked questions
- What is Hillary Mamis's NPI number?
- Hillary Mamis's National Provider Identifier (NPI) is 1740617596, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hillary Mamis's specialty?
- Hillary Mamis is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Hillary Mamis located?
- Hillary Mamis's practice location on file with NPPES is 33 Bedford St, Lexington, MA 02420-4319.
- What is Hillary Mamis's phone number?
- The practice phone number listed in the NPPES registry for Hillary Mamis is (781) 674-1189.
- Does Hillary Mamis accept Medicare?
- Hillary Mamis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hillary Mamis's NPI active?
- Yes — Hillary Mamis's NPI (1740617596) is active in the NPPES registry as of the last update on 2015-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.