Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Claire Maslowski, APNP

Family Nurse Practitioner in Waukesha, WI · enumerated 2019 · practices at Maple Medical Sc.

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

National Provider Identifier

1740842012

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Registry record

Entity type Individual (Type 1)

Name Claire Maslowski

Credential APNP

Sex Female

Practice address 2428 N Grandview Blvd Ste 102, Waukesha, WI, 53188

Phone (877) 307-3226

Fax (866) 384-9486

Enumeration date Jul 8, 2019

Last updated in NPPES Jul 8, 2019

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 9321-33 (WI) 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

What is the NPI number for Claire Maslowski?

The National Provider Identifier (NPI) for Claire Maslowski is 1740842012, a Type 1 (individual) record in the CMS NPPES registry.

Where does Claire Maslowski practice?

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

Other providers at this practice address

Browse all →

Sarfraz Sidhu Internal Medicine Physician · Waukesha, WI NPI 1801946462 Whitney Hoffmann Internal Medicine Physician · Waukesha, WI NPI 1730539206 Dina Sotola Family Nurse Practitioner · Waukesha, WI NPI 1316398589 Hannah Jochman Family Nurse Practitioner · Waukesha, WI NPI 1275056285 Laura Saltzmann Physician Assistant · Waukesha, WI NPI 1518485283 Maple Medical Sc Physical Medicine & Rehabilitation Physician · Waukesha, WI NPI 1487152104 Kaitlyn Solveson Gerontology Nurse Practitioner · Waukesha, WI NPI 1023674983 Carmen Papenfuss Family Nurse Practitioner · Waukesha, WI NPI 1699300137

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-07-08.