Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Stanley Raj Chinnaiyan Mathias

Mental Health Counselor in Upper Darby, PA · enumerated 2019.

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

National Provider Identifier

1215578570

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Registry record

Entity type Individual (Type 1)

Name John Stanley Raj Chinnaiyan Mathias

Sex Male

Practice address 6930 Market St, Upper Darby, PA, 19082

Phone (484) 469-4319

Enumeration date Oct 7, 2019

Last updated in NPPES Oct 7, 2019

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License BH001686 (PA) 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

What is the NPI number for John Stanley Raj Chinnaiyan Mathias?

The National Provider Identifier (NPI) for John Stanley Raj Chinnaiyan Mathias is 1215578570, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Stanley Raj Chinnaiyan Mathias practice?

The practice location on file with NPPES is in Upper Darby, PA. Providers can have multiple locations; NPPES lists the primary practice address.

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Cheryl Zoll Mental Health Counselor · Upper Darby, PA NPI 1083081939

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-10-07.