IndividualActive
Janice Johnston
NPI 1538523907 · Registered Dietitian · Portland, ME
Janice Johnston is a Registered Dietitian provider in Portland, ME (NPI 1538523907).
Provider details
- NPI number
- 1538523907
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- DI974 (ME)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(72/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
805 Stevens Ave
Portland, ME 04103-2647
Phone: (207) 415-6652
Street-level locationGet directions
Mailing address
28 Martin Ave
Scarborough, ME 04074-9728
Registry dates
- Enumerated
- 2016-04-11
- Last updated
- 2016-04-11
Frequently asked questions
- What is Janice Johnston's NPI number?
- Janice Johnston's National Provider Identifier (NPI) is 1538523907, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janice Johnston's specialty?
- Janice Johnston is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Janice Johnston located?
- Janice Johnston's practice location on file with NPPES is 805 Stevens Ave, Portland, ME 04103-2647.
- What is Janice Johnston's phone number?
- The practice phone number listed in the NPPES registry for Janice Johnston is (207) 415-6652.
- Is Janice Johnston's NPI active?
- Yes — Janice Johnston's NPI (1538523907) is active in the NPPES registry as of the last update on 2016-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.