Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William A Riggert, DDS

Dentist in Holland, MI · enumerated 2006 · practices at Intercare Community Health Network.

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

National Provider Identifier

1811001852

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Registry record

Entity type Individual (Type 1)

Name William A Riggert

Credential DDS

Sex Male

Practice address 285 James Street, Holland, MI, 49424

Phone (616) 728-8978

Fax (616) 738-9127

Enumeration date Aug 18, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

122300000X Dentist Dental Providers · License 2901009956 (MI) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Other identifiers

Identifier	Type	State	Issuer
4476626	Medicaid	MI	-

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 William Riggert?

The National Provider Identifier (NPI) for William Riggert is 1811001852, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Riggert practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.