Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Katarzyna Zalewski, MD

Anesthesiology Physician in Fort Lauderdale, FL · enumerated 2006.

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

National Provider Identifier

1871559294

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Registry record

Entity type Individual (Type 1)

Name Katarzyna Zalewski

Credential MD

Sex Female

Practice address Fort Lauderdale, FL, 33309

Phone (954) 485-5666

Fax (954) 484-1651

Enumeration date Apr 25, 2006

Last updated in NPPES Sep 20, 2013

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License ME76366 (FL) 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
257459400	Medicaid	FL	-

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 Katarzyna Zalewski?

The National Provider Identifier (NPI) for Katarzyna Zalewski is 1871559294, a Type 1 (individual) record in the CMS NPPES registry.

Where does Katarzyna Zalewski practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-09-20.