Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Christopher Ryskiewicz
Counselor in Concord, CA · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1518670579
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Registry record
Entity type Individual (Type 1)
Name Mr. Christopher Ryskiewicz
Sex Male
Practice address 1070 Concord Ave Ste 200, Concord, CA, 94520
Phone (925) 849-5349
Enumeration date Jan 4, 2023
Last updated in NPPES Jan 4, 2023
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 Christopher Ryskiewicz practice?
The practice location on file with NPPES is in Concord, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Christopher Ryskiewicz?
The National Provider Identifier (NPI) for Christopher Ryskiewicz is 1518670579, 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 2023-01-04.