NPPES file of Aug 9, 2026

Stacey Norris McMahon, RD

Registered Dietitian · Topanga, CA

Stacey Norris McMahon, RD is a registered dietitian with a practice address in Topanga, California, and NPI 1407553530, issued on Feb 9, 2023. 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
1407553530
Name
Stacey Norris McMahon
Credential
RD
Primary taxonomy
Registered Dietitian 133V00000X
Practice location
1203 Supi LN, Topanga, CA 90290
Phone
(310) 857-8617
Enumerated
Feb 9, 2023
Record last updated
Feb 9, 2023
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 Stacey Norris McMahon 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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1 registered dietitian records list a practice address in Topanga

They are 1 of the 56 NPPES records with a practice address in Topanga, and 7,148 registered dietitian records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,148 in California → Every provider in Topanga →

Other registered dietitian records in California

  1. Nazanin Abbaspour, PHD, RDN, IFNCPSan Diego, CA1871180695
  2. Michelle AbbeySan Diego, CA1932692878
  3. Emily AbbottTorrance, CA1477064871
  4. Fatima Azzahra Abdelhafeez, RDAnaheim, CA1356003727
  5. Sulaima Abdin-ArafehPomona, CA1366980765
  6. Tamara Abdul Hadi, MSLos Angeles, CA1669356754
  7. Anita Abdul-KarimPasadena, CA1619365970
  8. Ruqaya AbdulkhaliqLong Beach, CA1447124037
  9. Ran Abe, R.D.Long Beach, CA1093186173
  10. Allison Abel, RDN, CNSCLos Angeles, CA1346664414

Common questions

What is Stacey Norris McMahon, RD's NPI number?

Stacey Norris McMahon, RD's National Provider Identifier (NPI) is 1407553530, issued on Feb 9, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Stacey Norris McMahon, RD located?

The NPPES record lists a practice address at 1203 Supi LN, Topanga, CA, 90290. Phone: (310) 857-8617. Providers update this record themselves, so call before visiting.

How can I verify Stacey Norris McMahon, RD'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.