Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Kaihan Zhong

Marriage & Family Therapist in Vallejo, CA · enumerated 2018.

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

National Provider Identifier

1659857340

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Registry record

Entity type Individual (Type 1)

Name Mr. Kaihan Zhong

Sex Male

Practice address 1761 Broadway (Kaiser Permanente-Psychiatry), Vallejo, CA, 94589

Phone (650) 933-4030

Enumeration date Jul 16, 2018

Last updated in NPPES Jul 7, 2023

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers Secondary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 132998 (CA) Primary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Kaihan Zhong's NPI record?

Cross-check NPI 1659857340 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1659857340 active?

Yes, as of the latest NPPES snapshot, NPI 1659857340 is active (record last updated 2023-07-07).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-07.