NPPES file of Aug 9, 2026

Margaret Diaz, RDN

Renal Nutrition Registered Dietitian · Pomona, CA

Margaret Diaz, RDN is a renal nutrition registered dietitian with a practice address in Pomona, California, and NPI 1720708241, issued on Sep 2, 2022. Check the license with the California 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
1720708241
Name
Margaret Diaz
Credential
RDN
Primary taxonomy
Renal Nutrition Registered Dietitian 133VN1005X
Practice location
2111 N Garey Ave, Pomona, CA 91767
Phone
(909) 596-9997
Enumerated
Sep 2, 2022
Record last updated
Sep 2, 2022
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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Verify Margaret Diaz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California 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
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Renal Nutrition Registered Dietitian providers in California

There are 90 renal nutrition registered dietitian records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 90 in California → Every provider in Pomona →

Other renal nutrition registered dietitian records in California

  1. Laurel Adams, RDSanta Clarita, CA1942930136
  2. Lubna Akbany, RDNewport Beach, CA1982050175
  3. Maryam AshtianiLa Jolla, CA1740054618
  4. Kaivon Atkinson, RDSan Diego, CA1235987363
  5. Shirley Berue, M.S.,R.D.,C.S.R.Murrieta, CA1023235561
  6. Aimee BoswellManteca, CA1225588957
  7. Clinton Browning, R.D.Victorville, CA1255785564
  8. Deanne Bullard, RDRiverside, CA1649583626
  9. Elena Caviar, MS, RDSan Jose, CA1588904809
  10. Isela Chavira-WuTorrance, CA1376054049

Common questions

What is Margaret Diaz, RDN's NPI number?

Margaret Diaz, RDN's National Provider Identifier (NPI) is 1720708241, issued on Sep 2, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Diaz, RDN located?

The NPPES record lists a practice address at 2111 N Garey Ave, Pomona, CA, 91767. Phone: (909) 596-9997. Providers update this record themselves, so call before visiting.

How can I verify Margaret Diaz, RDN's license?

Search the California 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.