Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William Leonard Van Dorp, MD

Physical Medicine & Rehabilitation Physician in Green Bay, WI · enumerated 2006.

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

National Provider Identifier

1710900675

Verified

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Registry record

Entity type Individual (Type 1)

Name William Leonard Van Dorp

Credential MD

Sex Male

Practice address 1821 S Webster Ave, Green Bay, WI, 54301

Phone (920) 496-4700

Fax (920) 272-1621

Enumeration date Jul 25, 2006

Last updated in NPPES Aug 14, 2008

Taxonomy & licenses

208100000X Physical Medicine & Rehabilitation Physician Allopathic & Osteopathic Physicians · License 43982 (WI) 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
34271400	Medicaid	WI	-

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 William Van Dorp practice?

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

What is the NPI number for William Van Dorp?

The National Provider Identifier (NPI) for William Van Dorp is 1710900675, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Kristin Clark Obstetrics & Gynecology Physician · Green Bay, WI NPI 1710982756 Todd Gould Ophthalmology Physician · Green Bay, WI NPI 1265431126 Zhaowei Ai Interventional Cardiology Physician · Green Bay, WI NPI 1487645271 Patricia Polfus Nurse Practitioner · Green Bay, WI NPI 1144204082 Beth Woods Pediatric Cardiology Physician · Green Bay, WI NPI 1336109123 Jeffrey Shaw Allergy & Immunology Physician · Green Bay, WI NPI 1124083712 Terence Edgar Neurology with Special Qualifications in Child Neurology Physician · Green Bay, WI NPI 1679506091 Erich Metzler Obstetrics & Gynecology Physician · Green Bay, WI NPI 1770516981

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-08-14.