Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. William Thomas Zaffiro Jr.

Mental Health Counselor in Painesville, OH · enumerated 2017.

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

National Provider Identifier

1457867384

Verified

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Registry record

Entity type Individual (Type 1)

Name Mr. William Thomas Zaffiro Jr.

Sex Male

Practice address 7630 Kniffen Rd, Painesville, OH, 44077

Phone (216) 408-1587

Enumeration date Dec 14, 2017

Last updated in NPPES Apr 15, 2024

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License E.1901140-SUPV (OH) Primary

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License CS.00001827 (OH) Secondary

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License C.1500716 (OH) Secondary

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 William Zaffiro?

The National Provider Identifier (NPI) for William Zaffiro is 1457867384, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Zaffiro practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-04-15.