Gwen Johnson, RD, LD
NPI 1245823434 · Registered Dietitian · Pepperell, MA
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gwen Johnson, RD, LD is a Registered Dietitian provider in Pepperell, MA (NPI 1245823434).
Provider details
- NPI number
- 1245823434
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, LD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 77 (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
5 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
- 2021-02-18
- Last updated
- 2021-02-18
- Certified
- 2021-02-18
Frequently asked questions
- What is Gwen Johnson's NPI number?
- Gwen Johnson's National Provider Identifier (NPI) is 1245823434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwen Johnson's specialty?
- Gwen Johnson is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Gwen Johnson located?
- Gwen Johnson's practice location on file with NPPES is 25 Ashley St, Pepperell, MA 01463-4206.
- What is Gwen Johnson's phone number?
- The practice phone number listed in the NPPES registry for Gwen Johnson is (978) 257-3962.
- Does Gwen Johnson accept Medicare?
- Gwen Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gwen Johnson's NPI active?
- Yes — Gwen Johnson's NPI (1245823434) is active in the NPPES registry as of the last update on 2021-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.