IndividualActive
Karen Grontzos, R.D., L.D.
NPI 1376817098 · Registered Dietitian · Framingham, MA
Karen Grontzos, R.D., L.D. is a Registered Dietitian provider in Framingham, MA (NPI 1376817098).
Provider details
- NPI number
- 1376817098
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- R.D., L.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 3057 (MA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(80/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
41 Beacon St
Framingham, MA 01701-4900
Phone: (508) 369-7893
Street-level locationGet directions
Mailing address
61 Beacon St
Framingham, MA 01701
Registry dates
- Enumerated
- 2012-02-27
- Last updated
- 2012-02-27
Frequently asked questions
- What is Karen Grontzos's NPI number?
- Karen Grontzos's National Provider Identifier (NPI) is 1376817098, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Grontzos's specialty?
- Karen Grontzos is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Karen Grontzos located?
- Karen Grontzos's practice location on file with NPPES is 41 Beacon St, Framingham, MA 01701-4900.
- What is Karen Grontzos's phone number?
- The practice phone number listed in the NPPES registry for Karen Grontzos is (508) 369-7893.
- Is Karen Grontzos's NPI active?
- Yes — Karen Grontzos's NPI (1376817098) is active in the NPPES registry as of the last update on 2012-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.