Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Melissa A Cetak, APRN

Hematology & Oncology Physician in Lincoln, NE · enumerated 2005.

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

National Provider Identifier

1588654842

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Registry record

Entity type Individual (Type 1)

Name Melissa A Cetak

Credential APRN

Sex Female

Practice address 4101 Tiger Lily Rd Ste 100, Lincoln, NE, 68516

Phone (402) 420-7000

Fax (402) 420-6969

Enumeration date Oct 26, 2005

Last updated in NPPES Mar 16, 2024

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 110568 (NE) Primary

APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists. About the APRN credential

Other identifiers

Identifier	Type	State	Issuer
248566	Other	NE	MIDLANDS CHOICE
3600583	Other	NE	UHC
37660	Other	NE	BCBS

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 specialty is Melissa Cetak?

Melissa Cetak is registered in NPPES with the primary taxonomy of Hematology & Oncology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-03-16.