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JENNIFER MESISCA RD
NPI 1275490047
Dietitian, Registered in Irvine, CA

Active since January 05, 2026
114 PACIFICA STE 450, IRVINE, CA 92618(949) 861-5583 Get Directions Write a Review

NPPES record last updated: January 5, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Jennifer Mesisca Rd NPPES

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

JENNIFER MESISCA RD (NPI 1275490047) is an individual dietitian, registered in Irvine, California, licensed in California (86043231) and active in the NPI registry since January 2026.

NPPES Registry Identity

NPI1275490047
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameJENNIFER MESISCACredential: RD
Location Address114 PACIFICA STE 450Irvine, CA 92618-3343
Mailing Address26135 Cordillera DrMission Viejo, CA 92691-4015
Phone(949) 861-5583
Sole ProprietorNo
Enumeration DateJanuary 5, 2026
NPPES CertifiedJanuary 5, 2026
✔ NPI 1275490047 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in CA · 86043231
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.
114 PACIFICA STE 450, Irvine, CA 92618
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Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SUMMIT PSYCHOTHERAPY ASSOCIATES, PC
Psychiatry & Neurology (Psychiatry)
114 PACIFICA STE 450
IRVINE, CA 92618
Orange County (877) 825-8584
ISABEL CLARE FRAZIER RD
Dietitian, Registered
114 PACIFICA STE 450
IRVINE, CA 92618
Orange County (949) 861-5633
SARAH ELIZABETH KALAF
Marriage & Family Therapist
114 PACIFICA STE 450
IRVINE, CA 92618
Orange County (949) 504-4673
SUMMIT PSYCHOTHERAPY ASSOCIATES, PC
Psychiatry & Neurology (Psychiatry)
114 PACIFICA STE 450
IRVINE, CA 92618
Orange County (877) 825-8584

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 Jennifer Mesisca's NPI number?

The NPI number for Jennifer Mesisca is 1275490047. It was assigned to this individual provider in the NPPES registry on January 5, 2026.

Where is Jennifer Mesisca located?

Jennifer Mesisca practices at 114 Pacifica Ste 450, Irvine, CA 92618. The listed phone number is (949) 861-5583.

What is Jennifer Mesisca'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 Jennifer Mesisca was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.