Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. William J Ryland, CADC

Addiction (Substance Use Disorder) Counselor in Loomis, CA · enumerated 2007 · practices at Koinonia Foster Homes, Inc.

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

National Provider Identifier

1356545693

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Registry record

Entity type Individual (Type 1)

Name Mr. William J Ryland

Credential CADC

Sex Male

Practice address 5980 Webb Street, Loomis, CA, 95650

Phone (916) 652-0171

Enumeration date Jun 12, 2007

Last updated in NPPES Jun 29, 2018

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License RI-R0603010205 (CA) 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.

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Frequently asked questions

Where does William Ryland practice?

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

What is the NPI number for William Ryland?

The National Provider Identifier (NPI) for William Ryland is 1356545693, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Koinonia Foster Homes, Inc Substance Use Disorder Rehabilitation Clinic/Center · Loomis, CA NPI 1770787020 Donald Richmond Addiction (Substance Use Disorder) Counselor · Loomis, CA NPI 1851595938

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-06-29.