NPPES file of Aug 9, 2026

Johnathon Scott Primmer, RDN

Registered Dietitian · El Monte, CA

Johnathon Scott Primmer, RDN is a registered dietitian with a practice address in El Monte, California, and NPI 1043957996, issued on May 12, 2022. Check the license (California 86294236, 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
1043957996
Name
Johnathon Scott Primmer
Credential
RDN
Primary taxonomy
Registered Dietitian 133V00000X
License number
86294236 CA
Self-reported in NPPES; status is on the state search
Practice location
10418 Valley Blvd Ste A, El Monte, CA 91731
Phone
(626) 258-1600
Enumerated
May 12, 2022
Record last updated
May 17, 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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8 nearest registered dietitian records → All 7,148 in California → Look up another NPI →

Also registered at 10418 Valley Blvd Ste A

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

  1. Elizabeth BarreraLicensed Vocational Nurse1831636489
  2. Kathleen Castillo, RNCase Management Registered Nurse1891130019
  3. Kevin ChengLicensed Vocational Nurse1427559350
  4. Rocio DominguezCase Manager/Care Coordinator1750933263
  5. Azusena GallegosSocial Worker1578946257
  6. Perla GarciaRegistered Nurse1003231150

Verify Johnathon Scott Primmer 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 86294236    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

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Johnathon Scott Primmer among 7,148 registered dietitian records in California

Johnathon Scott Primmer, RDN 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 2022, is newer than 67% of them.

  • NPI issued2022 · 67% of these records are older, 27% newer
  • In a Medicare fileNo · 5% of these records are
  • In the CMS Doctors and Clinicians fileNo · 7% of these records are
  • Record last updated2022 · 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 El Monte → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Salvador Castillo, RDNEl Monte, CA 917311679037477
  2. Sophia LiEl Monte, CA 917311306201546
  3. Christian Magana, RDNEl Monte, CA 917311013895689
  4. Claudia Rios, R.D.El Monte, CA 917311487041190
  5. Griseida Ruiz, RDEl Monte, CA 917311962051409
  6. Jennifer Torres Collins, RD, CLEEl Monte, CA 917311851086987
  7. Katherine Walcott, RDEl Monte, CA 917311760300354
  8. Courtney AguiarRancho Cucamonga, CA 917301770450173

Common questions

What is Johnathon Scott Primmer, RDN's NPI number?

Johnathon Scott Primmer, RDN's National Provider Identifier (NPI) is 1043957996, issued on May 12, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Johnathon Scott Primmer, RDN located?

The NPPES record lists a practice address at 10418 Valley Blvd Ste A, El Monte, CA, 91731. Phone: (626) 258-1600. Providers update this record themselves, so call before visiting.

How can I verify Johnathon Scott Primmer, RDN's license?

NPPES lists California license number 86294236, 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.