Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. John Grover Russell, NCSP
Specialist in Casa Grande, AZ · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1619066156
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Registry record
Entity type Individual (Type 1)
Name Mr. John Grover Russell
Credential NCSP
Sex Male
Practice address 8188 W Bartlett Rd, Casa Grande, AZ, 85222
Phone (520) 431-4314
Enumeration date Oct 12, 2006
Last updated in NPPES Jul 26, 2007
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 584559 | Medicaid | AZ | - |
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
What is the NPI number for John Russell?
The National Provider Identifier (NPI) for John Russell is 1619066156, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Russell practice?
The practice location on file with NPPES is in Casa Grande, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-26.