Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

James L Rossiter, M.D.

Otolaryngology/Facial Plastic Surgery Physician in Mequon, WI · enumerated 2007.

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

National Provider Identifier

1336364546

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Registry record

Entity type Individual (Type 1)

Name James L Rossiter

Credential M.D.

Sex Male

Practice address 10610 N Port Washington Road, Mequon, WI, 53092

Phone (414) 771-6780

Fax (414) 238-2424

Enumeration date Apr 14, 2007

Last updated in NPPES Nov 2, 2016

Taxonomy & licenses

207YX0905X Otolaryngology/Facial Plastic Surgery Physician Allopathic & Osteopathic Physicians · License 40673 (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
32499600	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

What is the NPI number for James Rossiter?

The National Provider Identifier (NPI) for James Rossiter is 1336364546, a Type 1 (individual) record in the CMS NPPES registry.

Where does James Rossiter practice?

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

Other providers at this practice address

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Kristine Bayer Audiologist · Mequon, WI NPI 1386607448

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-11-02.