Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Lyle J Vanderschaaf, MD

General Practice Physician in Marquette, MI · enumerated 2005.

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

National Provider Identifier

1063497386

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Registry record

Entity type Individual (Type 1)

Name Lyle J Vanderschaaf

Credential MD

Sex Male

Practice address 420 W Magnetic St, Suite Er, Marquette, MI, 49855

Phone (888) 674-0854

Fax (906) 225-3370

Enumeration date Dec 9, 2005

Last updated in NPPES Jul 10, 2013

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 4301070441 (MI) Secondary

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License 4301070441 (MI) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
4301070441	Other	MI	MICHIGAN LICENSE #

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 Lyle Vanderschaaf?

Lyle Vanderschaaf is registered in NPPES with the primary taxonomy of General Practice Physician. 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 2013-07-10.