Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Christine Marie Marker, RSS

Counselor in Vernon Hills, IL · enumerated 2022.

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

National Provider Identifier

1265154488

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Registry record

Entity type Individual (Type 1)

Name Mrs. Christine Marie Marker

Credential RSS

Sex Female

Practice address 24647 N Milwaukee Ave, Vernon Hills, IL, 60061

Phone (847) 377-7976

Enumeration date Sep 14, 2022

Last updated in NPPES Sep 14, 2022

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Christine Marker?

Christine Marker is registered in NPPES with the primary taxonomy of Counselor. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-14.