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Dr. Gregory Curtis Yu, M.D.

Internal Medicine Physician in La Canada Flintridge, CA · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1598944613

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Registry record

Entity type Individual (Type 1)
Name Dr. Gregory Curtis Yu
Credential M.D.
Sex Male
Practice address 2258 Foothill Blvd, #200, La Canada Flintridge, CA, 91011
Phone (818) 248-8998
Fax (818) 248-0844
Enumeration date Oct 25, 2007
Last updated in NPPES Feb 8, 2016

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License G060843 (CA) Primary
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.

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Frequently asked questions

Is NPI 1598944613 active?
Yes, as of the latest NPPES snapshot, NPI 1598944613 is active (record last updated 2016-02-08).
How do I verify Gregory Yu's NPI record?
Cross-check NPI 1598944613 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-02-08.