NPPES file of Aug 9, 2026

Jessica B. Defalco, RD

Registered Dietitian · Fountain Valley, CA

Jessica B. Defalco, RD is a registered dietitian with a practice address in Fountain Valley, California, and NPI 1992429526, issued on Sep 27, 2022. Check the license (California 86290310, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992429526
Name
Jessica B. Defalco
Credential
RD
Primary taxonomy
Registered Dietitian 133V00000X
License number
86290310 CA
Self-reported in NPPES; status is on the state search
Practice location
17360 Brookhurst St, Fountain Valley, CA 92708
Phone
(714) 822-1334
Enumerated
Sep 27, 2022
Record last updated
Jul 18, 2025
Fax
(714) 665-4610
Medicare enrollment
Enrolled (PECOS I20250801003600); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. 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 17360 Brookhurst St

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

  1. Gail Frances Liezl Abcede, M.D.Internal Medicine Physician1902216872
  2. Dustin ArbuckleClinical Social Worker1528715547
  3. Behnaz Babaknia, PA-CPhysician Assistant1992275093
  4. Brett BatesStudent in an Organized Health Care Education/Training Program1609315134
  5. Gina Bell, M.D.Family Medicine Physician1750589032
  6. Michael Benefiel, M.D.Internal Medicine Physician1861855827

Verify Jessica B. Defalco 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 86290310    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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Bills Medicare through one group practice

  1. Memorialcare Medical FoundationFountain Valley, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jessica B. Defalco among 7,148 registered dietitian records in California

Jessica B. Defalco, RD 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. Its NPI, issued in 2022, is newer than 67% of them.

  • NPI issued2022 · 67% of these records are older, 27% newer
  • In a Medicare fileYes · 5% of these records are
  • In the CMS Doctors and Clinicians fileYes · 7% of these records are
  • Graduated2021 · median 2014 among the 529 with a school on file
  • Record last updated2025 · 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.

All 7,148 in California → Every provider in Fountain Valley → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Carol Adams, R.D.Fountain Valley, CA 927081164466207
  2. Linda Araki, R.D.Fountain Valley, CA 927081184802373
  3. Silje Bjorndal, M.S.,R.D.Fountain Valley, CA 927081386083475
  4. Katherine Haghighi, R.D.Fountain Valley, CA 927081497121636
  5. Martha KatauraFountain Valley, CA 927081881063121
  6. Sun KimFountain Valley, CA 927081841622214
  7. Shannon Libbrecht, R.D.Fountain Valley, CA 927081952741142
  8. Susan Mills, RDFountain Valley, CA 927081114368727

Common questions

What is Jessica B. Defalco, RD's NPI number?

Jessica B. Defalco, RD's National Provider Identifier (NPI) is 1992429526, issued on Sep 27, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Jessica B. Defalco, RD located?

The NPPES record lists a practice address at 17360 Brookhurst St, Fountain Valley, CA, 92708. Phone: (714) 822-1334. Providers update this record themselves, so call before visiting.

How can I verify Jessica B. Defalco, RD's license?

NPPES lists California license number 86290310, 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. Medicare files from data.cms.gov. 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.