Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

James M Ryan, LCPC LCADC CRC CDMS

Q: What is the NPI number for James Ryan?

The National Provider Identifier (NPI) for James Ryan is 1558536102, a Type 1 (individual) record in the CMS NPPES registry.

Addiction (Substance Use Disorder) Counselor in Montgomery Village, MD · enumerated 2008.

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

National Provider Identifier

1558536102

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Registry record

Entity type Individual (Type 1)

Name James M Ryan

Credential LCPC LCADC CRC CDMS

Sex Male

Practice address Montgomery Village, MD, 20886

Phone (301) 258-7771

Fax (301) 258-9078

Enumeration date Apr 24, 2008

Last updated in NPPES Aug 23, 2018

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License LC1361 (MD) Secondary

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License LCA372 (MD) Primary

Other identifiers

Identifier	Type	State	Issuer
LCA372	Other	MD	MD STATE LINCENSE

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 James Ryan?

The National Provider Identifier (NPI) for James Ryan is 1558536102, a Type 1 (individual) record in the CMS NPPES registry.

Where does James Ryan practice?

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

Other providers at this practice address

Browse all →

Ryan Rehabilitation LLC Addiction (Substance Use Disorder) Counselor · Montgomery Village, MD NPI 1780164087 Ryan Rehabilitation LLC Addiction (Substance Use Disorder) Counselor · Montgomery Village, MD NPI 1578038782

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-08-23.