Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Roger Allen Marks
Professional Counselor in Flora, IL · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1891376620
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Registry record
Entity type Individual (Type 1)
Name Roger Allen Marks
Sex Male
Practice address 911 Stacey Burk Dr, Flora, IL, 62839
Phone (618) 662-6621
Enumeration date Apr 14, 2021
Last updated in NPPES Apr 14, 2021
Taxonomy & licenses
101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 180-003309 (IL) 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.
Frequently asked questions
What specialty is Roger Marks?
Roger Marks is registered in NPPES with the primary taxonomy of Professional 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.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-04-14.