NPPES file of Aug 9, 2026

Janice Johnston

Registered Dietitian · Portland, ME

Janice Johnston is a registered dietitian with a practice address in Portland, Maine, and NPI 1538523907, issued on Apr 11, 2016. Check the license (Maine DI974, as entered in NPPES) with the Maine board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538523907
Name
Janice Johnston
Primary taxonomy
Registered Dietitian 133V00000X
License number
DI974 ME
Self-reported in NPPES; status is on the state search
Practice location
805 Stevens Ave, Portland, ME 04103
Phone
(207) 415-6652
Enumerated
Apr 11, 2016
Record last updated
Apr 11, 2016 (not updated in 10 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest registered dietitian records → All 335 in Maine → Look up another NPI →

Also registered at 805 Stevens Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Samantha Bailey, RDNRegistered Dietitian1336716547
  2. Judith Donnelly, R.D.,L.D.Registered Dietitian1356353452
  3. Katherine Karbel, R.D.Registered Dietitian1730587247
  4. Kim Norbert, M.S., R.D., L.D.Registered Dietitian1255343935
  5. Susan Quimby, R.D.,L.D.Registered Dietitian1982614947
  6. Amy Rolnick, LMTMassage Therapist1447403092

Verify Janice Johnston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license DI974    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Janice Johnston among 335 registered dietitian records in Maine

Janice Johnston is one of 335 registered dietitian records with a practice address in Maine. 10% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2016, is newer than 52% of them.

  • NPI issued2016 · 52% of these records are older, 45% newer
  • In a Medicare fileNo · 10% of these records are
  • In the CMS Doctors and Clinicians fileNo · 11% of these records are
  • Record last updated2016 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Registered Dietitian providers in Maine

There are 335 registered dietitian records in Maine. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 335 in Maine → Every provider in Portland → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Patricia Catsos, M.S., R.D., L.D.Portland, ME 041031295741692
  2. Judith Donnelly, R.D.,L.D.Portland, ME 041031356353452
  3. Anita Huey, RDPortland, ME 041031376583518
  4. Amy Joyce, MS, RD, LD, CNSCPortland, ME 041031063484111
  5. Katherine Karbel, R.D.Portland, ME 041031730587247
  6. Lindsay Lajoie, RD, LDNPortland, ME 041031861848269
  7. Kari Lane, RD, CNSCPortland, ME 041031669949517
  8. Joan Lavery-McLaughlin, RDNPortland, ME 041031700330909

Common questions

What is Janice Johnston's NPI number?

Janice Johnston's National Provider Identifier (NPI) is 1538523907, issued on Apr 11, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Janice Johnston located?

The NPPES record lists a practice address at 805 Stevens Ave, Portland, ME, 04103. Phone: (207) 415-6652. Providers update this record themselves, so call before visiting.

How can I verify Janice Johnston's license?

NPPES lists Maine license number DI974, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.