NPPES file of Aug 9, 2026

Mary E. Cox, R.D.

Registered Dietitian · Irvine, CA

Mary E. Cox, R.D. is a registered dietitian with a practice address in Irvine, California, and NPI 1538315361, issued on Aug 12, 2008. Check the license (California 991558, as entered in NPPES) 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
1538315361
Name
Mary E. Cox
Credential
R.D.
Primary taxonomy
Registered Dietitian 133V00000X
License number
991558 CA
Self-reported in NPPES; status is on the state search
Practice location
6640 Alton Pkwy, Irvine, CA 92618
Phone
(949) 932-5000
Enumerated
Aug 12, 2008
Record last updated
Aug 12, 2008 (not updated in 18 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 7,148 in California → Look up another NPI →

Also registered at 6640 Alton Pkwy

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

  1. Elena Abercrombie, PTPhysical Therapist1730464413
  2. Kareem Aboutalib, D.O.Internal Medicine Physician1275979940
  3. Stevan AbtCertified Registered Nurse Anesthetist1487306437
  4. Shirley Andersen, RCP 111Pulmonary Function Technologist Certified Respiratory Therapist1528827755
  5. Tracey BaksicCertified Respiratory Therapist1790263531
  6. Brooke Barnidge, LCSWClinical Social Worker1295446961

Verify Mary E. Cox in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 991558    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 California 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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Mary E. Cox among 7,148 registered dietitian records in California

Mary E. Cox, R.D. is one of 7,148 registered dietitian records with a practice address in California. 5% 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 2008, is newer than 15% of them.

  • NPI issued2008 · 15% of these records are older, 82% newer
  • In a Medicare fileNo · 5% of these records are
  • In the CMS Doctors and Clinicians fileNo · 7% of these records are
  • Record last updated2008 · 55% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

80 registered dietitian records list a practice address in Irvine

They are 80 of the 7,778 NPPES records with a practice address in Irvine, 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 Irvine → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Angelica Agami, MS, BA, RDIrvine, CA 926181407324064
  2. Tiffany ChavesIrvine, CA 926181194169177
  3. Michelle Coppel, RDIrvine, CA 926181740642701
  4. Jennifer Dinsmore, RDIrvine, CA 926181740624618
  5. Olga Dona, REGISTERED DIETITIANIrvine, CA 926181093469264
  6. Marianna Gabriel, RD CHESIrvine, CA 926181003440470
  7. Sara Haddad Tabrizi, DRPH, RDNIrvine, CA 926181881215317
  8. Kristy RichardsonIrvine, CA 926181578709069

Common questions

What is Mary E. Cox, R.D.'s NPI number?

Mary E. Cox, R.D.'s National Provider Identifier (NPI) is 1538315361, issued on Aug 12, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mary E. Cox, R.D. located?

The NPPES record lists a practice address at 6640 Alton Pkwy, Irvine, CA, 92618. Phone: (949) 932-5000. Providers update this record themselves, so call before visiting.

How can I verify Mary E. Cox, R.D.'s license?

NPPES lists California license number 991558, as entered by the provider. 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.