Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Grace Yu, MD
Allergy Physician in Fremont, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1538356225
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Registry record
Entity type Individual (Type 1)
Name Grace Yu
Credential MD
Sex Female
Practice address 3200 Kearney Street, Fremont, CA, 94301
Phone (510) 490-1222
Enumeration date Sep 26, 2007
Last updated in NPPES Jan 11, 2012
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD 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
Where does Grace Yu practice?
The practice location on file with NPPES is in Fremont, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Grace Yu?
The National Provider Identifier (NPI) for Grace Yu is 1538356225, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-01-11.