Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Robert John Van Tholen, D.C.

Chiropractor in Saint Charles, IL · enumerated 2006.

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

National Provider Identifier

1841261708

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Registry record

Entity type Individual (Type 1)

Name Dr. Robert John Van Tholen

Credential D.C.

Sex Male

Practice address 309 Walnut St, Ste A, Saint Charles, IL, 60174

Phone (630) 377-1201

Enumeration date Jan 30, 2006

Last updated in NPPES Feb 5, 2020

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License CH 9125 (FL) Secondary

111N00000X Chiropractor Chiropractic Providers · License 038-009301 (IL) Primary

DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential

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 Robert Van Tholen?

The National Provider Identifier (NPI) for Robert Van Tholen is 1841261708, a Type 1 (individual) record in the CMS NPPES registry.

Where does Robert Van Tholen practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-02-05.