Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Isabel Clare Frazier, RD
Registered Dietitian in Irvine, CA · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1437015732
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Isabel Clare Frazier
Credential RD
Sex Female
Practice address 114 Pacifica Ste 450, Irvine, CA, 92618
Phone (949) 861-5633
Enumeration date Dec 30, 2025
Last updated in NPPES Dec 30, 2025
Taxonomy & licenses
133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 86342572 (CA) Primary
RD · Registered Dietitian: A nutrition professional credentialed by the Commission on Dietetic Registration.
About the RD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Isabel Frazier?
The National Provider Identifier (NPI) for Isabel Frazier is 1437015732, a Type 1 (individual) record in the CMS NPPES registry.
Where does Isabel Frazier practice?
The practice location on file with NPPES is in Irvine, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Summit Psychotherapy Associates, PC Adolescent and Children Mental Health Clinic/Center · Irvine, CA NPI 1659013324 Summit Psychotherapy Associates, PC Psychiatry Physician · Irvine, CA NPI 1033914288 Summit Psychotherapy Associates, PC Psychiatry Physician · Irvine, CA NPI 1619772852 Sarah Kalaf Marriage & Family Therapist · Irvine, CA NPI 1548120108 Jennifer Mesisca Registered Dietitian · Irvine, CA NPI 1275490047
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-12-30.