NPPES file of Aug 9, 2026

Sabrina D. Chyzyk, R.D.

Registered Dietitian · San Diego, CA

Sabrina D. Chyzyk, R.D. is a registered dietitian with a practice address in San Diego, California, and NPI 1427143437, issued on Oct 4, 2006. Check the license (California 816509, 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
1427143437
Name
Sabrina D. Chyzyk
Credential
R.D.
Primary taxonomy
Registered Dietitian 133V00000X
License number
816509 CA
Self-reported in NPPES; status is on the state search
Practice location
4060 4TH Ave Ste 508, San Diego, CA 92103
Phone
(619) 260-7363
Enumerated
Oct 4, 2006
Record last updated
Jul 24, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(858) 784-5933
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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Also registered at 4060 4TH Ave Ste 508

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

  1. Alois Zauner, MDNeurological Surgery Physician1922023720

Verify Sabrina D. Chyzyk 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 816509
    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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Sabrina D. Chyzyk among 7,148 registered dietitian records in California

Sabrina D. Chyzyk, 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 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 94% newer
  • In a Medicare fileNo · 5% of these records are
  • In the CMS Doctors and Clinicians fileNo · 7% of these records are
  • Record last updated2007 · 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.

The 8 registered dietitian records with the nearest ZIP codes

  1. Kathleen Bundy, R.D.San Diego, CA 921031285813287
  2. Jennifer Fisher, RDSan Diego, CA 921031538312657
  3. Kendra Grinde-Busalacchi, RDN, CDESan Diego, CA 921031851412944
  4. Patricia Horn, RD, CDESan Diego, CA 921031477686194
  5. Allison Liu, MS, RD.San Diego, CA 921031558627646
  6. Monica McCorkle, MS, RD, CDESan Diego, CA 921031831237734
  7. Kelsey Moreno, RDSan Diego, CA 921031891131207
  8. Elena MusserSan Diego, CA 921031790056539

Common questions

What is Sabrina D. Chyzyk, R.D.'s NPI number?

Sabrina D. Chyzyk, R.D.'s National Provider Identifier (NPI) is 1427143437, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sabrina D. Chyzyk, R.D. located?

The NPPES record lists a practice address at 4060 4TH Ave Ste 508, San Diego, CA, 92103. Phone: (619) 260-7363. Providers update this record themselves, so call before visiting.

How can I verify Sabrina D. Chyzyk, R.D.'s license?

NPPES lists California license number 816509, 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.