Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Tzu-Ching Wu, R.D.
Registered Dietitian in Modesto, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659304277
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Registry record
Entity type Individual (Type 1)
Name Tzu-Ching Wu
Credential R.D.
Sex Female
Practice address 4601 Dale Rd, Modesto, CA, 95356
Phone (209) 735-5086
Enumeration date Jul 8, 2006
Last updated in NPPES Dec 20, 2021
Taxonomy & licenses
133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 940840 (IL) 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
Is NPI 1659304277 active?
Yes, as of the latest NPPES snapshot, NPI 1659304277 is active (record last updated 2021-12-20).
How do I verify Tzu-Ching Wu's NPI record?
Cross-check NPI 1659304277 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
Browse all → Daniel Lundgren Optometrist · Modesto, CA NPI 1811986375 Stephen Willey Physical Therapist · Modesto, CA NPI 1912998311 Dat Nguyen Specialist · Modesto, CA NPI 1659346435 Angela Abe Optometrist · Modesto, CA NPI 1336108885 Liansong Chen Specialist · Modesto, CA NPI 1265492292 Richard Garcia Emergency Medicine Physician · Modesto, CA NPI 1437110566 Laurel Goldstein Emergency Medicine Physician · Modesto, CA NPI 1992748446 Ajay Sood Diagnostic Radiology Physician · Modesto, CA NPI 1639113681
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-20.