Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John Troy Gray II
Social Worker in Chillicothe, OH · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1518460153
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Registry record
Entity type Individual (Type 1)
Name John Troy Gray II
Sex Male
Practice address 14 S Paint St, Chillicothe, OH, 45601
Phone (740) 417-6531
Enumeration date Mar 9, 2018
Last updated in NPPES Oct 22, 2020
Taxonomy & licenses
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.
Frequently asked questions
Where does John Gray practice?
The practice location on file with NPPES is in Chillicothe, OH. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Gray?
The National Provider Identifier (NPI) for John Gray is 1518460153, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-22.