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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MS. MARGARET KATHLEEN CHAYKIN MPH, CHES, RD, CD
NPI 1770108847
Dietitian, Registered in Huntington Beach, CA

Active since June 14, 2020
18502 BEACH BLVD, HUNTINGTON BEACH, CA 92648(206) 295-5894 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 7, 2026, Dec 26, 2025, Jun 14, 2020 (3 updates tracked since 2020).

About Ms. Margaret Kathleen Chaykin Mph, Ches, Rd, Cd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. MARGARET KATHLEEN CHAYKIN MPH, CHES, RD, CD (NPI 1770108847) is an individual dietitian, registered in Huntington Beach, California and active in the NPI registry since June 2020.

NPPES Registry Identity

NPI1770108847
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameMS. MARGARET KATHLEEN CHAYKINCredential: MPH, CHES, RD, CD
Location Address18502 BEACH BLVDHuntington Beach, CA 92648-2019
Mailing Address18502 Beach BlvdHuntington Beach, CA 92648-2019 · (206) 295-5894
Phone(206) 295-5894
Sole ProprietorNo
Enumeration DateJune 14, 2020
Last NPPES UpdateJuly 7, 20263 updates tracked since enumeration
NPPES CertifiedJuly 7, 2026
✔ NPI 1770108847 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
Also ListedNutritionist · Nutrition, EducationTaxonomy 133NN1002X
Also ListedHealth EducatorTaxonomy 174H00000X
18502 BEACH BLVD, Huntington Beach, CA 92648
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Other Names 1

Former Name (1)Margaret Kathleen Carson

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margaret Chaykin's NPI number?

The NPI number for Margaret Chaykin is 1770108847. It was assigned to this individual provider in the NPPES registry on June 14, 2020. The provider is also known as Margaret Kathleen Carson.

Where is Margaret Chaykin located?

Margaret Chaykin practices at 18502 Beach Blvd, Huntington Beach, CA 92648. The listed phone number is (206) 295-5894.

What is Margaret Chaykin's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

When was this NPI record last updated?

The NPPES record for Margaret Chaykin was last updated on July 7, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.