Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Spencer Klein

Plastic and Reconstructive Surgery Physician in Green Bay, WI · enumerated 2019 · practices at Baycare Clinic, LLP.

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

National Provider Identifier

1346701273

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Registry record

Entity type Individual (Type 1)

Name Spencer Klein

Sex Male

Practice address 2605 Development Dr, Green Bay, WI, 54311

Phone (920) 288-8240

Fax (920) 857-1488

Enumeration date Mar 25, 2019

Last updated in NPPES Apr 28, 2026

Taxonomy & licenses

2086S0122X Plastic and Reconstructive Surgery Physician Allopathic & Osteopathic Physicians · License 74539 (WI) Primary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care · License 390200000X (WI) Secondary

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 Spencer Klein 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 Spencer Klein?

The National Provider Identifier (NPI) for Spencer Klein is 1346701273, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-28.