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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Yangyang Sun

Mental Health Counselor in Randolph, MA · enumerated 2021.

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

National Provider Identifier

1598353054

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Registry record

Entity type Individual (Type 1)
Name Yangyang Sun
Sex Female
Practice address Randolph, MA, 02368
Enumeration date Jan 8, 2021
Last updated in NPPES Jan 8, 2021

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

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 is the NPI number for Yangyang Sun?
The National Provider Identifier (NPI) for Yangyang Sun is 1598353054, a Type 1 (individual) record in the CMS NPPES registry.
Where does Yangyang Sun practice?
The practice location on file with NPPES is in Randolph, MA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-01-08.