Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Edward J Zajac, MD

Q: What is the NPI number for Edward Zajac?

The National Provider Identifier (NPI) for Edward Zajac is 1265406060, a Type 1 (individual) record in the CMS NPPES registry.

Interventional Cardiology Physician in Sioux City, IA · enumerated 2006.

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

National Provider Identifier

1265406060

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Edward J Zajac

Credential MD

Sex Male

Practice address 5885 Sunnybrook Dr, Suite L-200, Sioux City, IA, 51106

Phone (712) 239-4702

Fax (712) 224-5898

Enumeration date Feb 16, 2006

Last updated in NPPES Oct 15, 2015

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 32426 (IA) Secondary

207RI0011X Interventional Cardiology Physician Allopathic & Osteopathic Physicians · License 32426 (IA) Primary

207RI0011X Interventional Cardiology Physician Allopathic & Osteopathic Physicians · License 20824 (NE) Secondary

207RI0011X Interventional Cardiology Physician Allopathic & Osteopathic Physicians · License 4455 (SD) Secondary

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
0172254	Medicaid	IA	-

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 Edward Zajac?

The National Provider Identifier (NPI) for Edward Zajac is 1265406060, a Type 1 (individual) record in the CMS NPPES registry.

Where does Edward Zajac practice?

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

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-10-15.