NPPES file of Aug 9, 2026

Katherine Wells Karbel, R.D.

Registered Dietitian · Portland, ME

Katherine Wells Karbel, R.D. is a registered dietitian with a practice address in Portland, Maine, and NPI 1730587247, issued on Dec 15, 2014. Check the license (Maine DI1222, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1730587247
Name
Katherine Wells Karbel
Credential
R.D.
Primary taxonomy
Registered Dietitian 133V00000X
License number
DI1222 ME
Self-reported in NPPES; status is on the state search
Practice location
805 Stevens Ave, Portland, ME 04103
Phone
(207) 772-6279
Enumerated
Dec 15, 2014
Record last updated
Dec 15, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150722004076); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. 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. Janice JohnstonRegistered Dietitian1538523907
  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 Katherine Wells Karbel 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 DI1222    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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Bills Medicare through one group practice

  1. Nutrition Works,llcPortland, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Katherine Wells Karbel among 335 registered dietitian records in Maine

Katherine Wells Karbel, R.D. 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. Its NPI, issued in 2014, is newer than 45% of them.

  • NPI issued2014 · 45% of these records are older, 52% newer
  • In a Medicare fileYes · 10% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated2005 · median 2010 among the 37 with a school on file
  • Record last updated2014 · 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.

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. Janice JohnstonPortland, ME 041031538523907
  5. Amy Joyce, MS, RD, LD, CNSCPortland, ME 041031063484111
  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 Katherine Wells Karbel, R.D.'s NPI number?

Katherine Wells Karbel, R.D.'s National Provider Identifier (NPI) is 1730587247, issued on Dec 15, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Wells Karbel, R.D. located?

The NPPES record lists a practice address at 805 Stevens Ave, Portland, ME, 04103. Phone: (207) 772-6279. Providers update this record themselves, so call before visiting.

How can I verify Katherine Wells Karbel, R.D.'s license?

NPPES lists Maine license number DI1222, 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. Medicare files from data.cms.gov. 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.