Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Tracy L Mulder, PHYSICIAN ASSISTANT

Q: What is the NPI number for Tracy Mulder?

The National Provider Identifier (NPI) for Tracy Mulder is 1477720423, a Type 1 (individual) record in the CMS NPPES registry.

Physician Assistant in Grandville, MI · enumerated 2008.

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

National Provider Identifier

1477720423

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Registry record

Entity type Individual (Type 1)

Name Tracy L Mulder

Credential PHYSICIAN ASSISTANT

Sex Female

Practice address 3380 44th St Sw, Grandville, MI, 49418

Phone (616) 685-8250

Fax (616) 532-3564

Enumeration date May 9, 2008

Last updated in NPPES Dec 8, 2021

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 5601005272 (MI) 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

Where does Tracy Mulder practice?

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

What is the NPI number for Tracy Mulder?

The National Provider Identifier (NPI) for Tracy Mulder is 1477720423, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-08.