NPPES file of Aug 9, 2026

Diana Mesa, RDN, LDN

Registered Dietitian · Portland, OR

Diana Mesa, RDN, LDN is a registered dietitian with a practice address in Portland, Oregon, and NPI 1922560796, issued on Apr 2, 2019. Check the license with the Oregon 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
1922560796
Name
Diana Mesa
Credential
RDN, LDN
Primary taxonomy
Registered Dietitian 133V00000X
License number
ND8893 FL
Self-reported in NPPES; status is on the state search
Practice location
1120 SE Madison St, Portland, OR 97214
Phone
(786) 600-7586
Enumerated
Apr 2, 2019
Record last updated
Jul 18, 2024
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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Also registered at 1120 SE Madison St

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

  1. Leslie FitzgeraldAssistant Behavior Analyst1699251611

Verify Diana Mesa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this professionCheck 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 Oregon 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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Diana Mesa among 927 registered dietitian records in Oregon

Diana Mesa, RDN, LDN is one of 927 registered dietitian records with a practice address in Oregon. 13% 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 2019, is newer than 61% of them.

  • NPI issued2019 · 61% of these records are older, 33% newer
  • In a Medicare fileNo · 13% of these records are
  • In the CMS Doctors and Clinicians fileNo · 15% of these records are
  • Record last updated2024 · 59% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Registered Dietitian providers in Oregon

There are 927 registered dietitian records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 registered dietitian records with the nearest ZIP codes

  1. Alex BorsukPortland, OR 972141982073128
  2. Andrea CoxPortland, OR 972141447785902
  3. Emily Diana, MS, RDPortland, OR 972141285301283
  4. Amy Esatto, RD, LDPortland, OR 972141871989012
  5. Brianna Gulker, RDNPortland, OR 972141437838281
  6. Carol Lange, R.D.Portland, OR 972141649543109
  7. Jenice Powell, RDNPortland, OR 972141770192353
  8. Rebecca Smessaert, RD, LD, CDPortland, OR 972141871259101

Common questions

What is Diana Mesa, RDN, LDN's NPI number?

Diana Mesa, RDN, LDN's National Provider Identifier (NPI) is 1922560796, issued on Apr 2, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Diana Mesa, RDN, LDN located?

The NPPES record lists a practice address at 1120 SE Madison St, Portland, OR, 97214. Phone: (786) 600-7586. Providers update this record themselves, so call before visiting.

How can I verify Diana Mesa, RDN, LDN's license?

Search the Oregon 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.

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.