Heather Mason, RD, CDCES
Registered Dietitian · Los Angeles, CA
Heather Mason, RD, CDCES is a registered dietitian with a practice address in Los Angeles, California, and NPI 1467044073, issued on Feb 4, 2021. Check the license (California 1037008, 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.
- Name
- Heather Mason
- Credential
- RD, CDCES
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- 1037008 CA
Self-reported in NPPES; status is on the state search - Practice location
- 122 E Washington Blvd, Los Angeles, CA 90015
- Phone
- (213) 483-3600
- Enumerated
- Feb 4, 2021
- Record last updated
- Feb 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 7,148 in California → Look up another NPI →
Also registered at 122 E Washington Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Heather Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 1037008Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Heather Mason among 7,148 registered dietitian records in California
Heather Mason, RD, CDCES 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 2021, is newer than 61% of them.
- NPI issued2021 · 61% of these records are older, 33% newer
- In a Medicare fileNo · 5% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2021 · 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).
Registered Dietitian providers in California
There are 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 Los Angeles → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Darlene Allen, R.D., CDELos Angeles, CA 900151891078424
- Christopher Boss, RDLos Angeles, CA 900151154083467
- Lauren Elkins, RDLos Angeles, CA 900151487931978
- Roslyn Holtz, R.D.Los Angeles, CA 900151831371194
- Kari Ikemoto, RDLos Angeles, CA 900151962800177
- Joanna KaramLos Angeles, CA 900151861389280
- Manuel Martinez, RD, CDELos Angeles, CA 900151679755862
- Basthy Ramirez, RDNLos Angeles, CA 900151912443334
Common questions
What is Heather Mason, RD, CDCES's NPI number?
Heather Mason, RD, CDCES's National Provider Identifier (NPI) is 1467044073, issued on Feb 4, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Heather Mason, RD, CDCES located?
The NPPES record lists a practice address at 122 E Washington Blvd, Los Angeles, CA, 90015. Phone: (213) 483-3600. Providers update this record themselves, so call before visiting.
How can I verify Heather Mason, RD, CDCES's license?
NPPES lists California license number 1037008, 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.
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.