Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Yutian Ma

Mental Health Counselor in Ontario, CA · enumerated 2025 · practices at Chaffey Joint Union High School District.

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

National Provider Identifier

1811866338

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Registry record

Entity type Individual (Type 1)

Name Yutian Ma

Sex Female

Practice address 211 W 5th St, Ontario, CA, 91762

Phone (909) 988-8511

Enumeration date Nov 3, 2025

Last updated in NPPES Nov 3, 2025

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers 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.

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Frequently asked questions

What specialty is Yutian Ma?

Yutian Ma is registered in NPPES with the primary taxonomy of Mental Health Counselor. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Other providers at this practice address

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Chaffey Joint Union High School District Local Education Agency (LEA) · Ontario, CA NPI 1518150333

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-03.