Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Edward J Zajac, MD

Individual provider Cardiovascular Disease Physician · NPI 1265406060

Edward J Zajac, MD is a Cardiovascular Disease (Cardiology) in Sioux City, Iowa. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 1981, 45 years ago. Practices with Northwest Iowa Hospital Corporation, a 132-clinician group and accepts Medicare assignment. Licensed in Iowa, Nebraska and South Dakota.

Years since qualifying
45
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
IA, NE, SD
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5885 Sunnybrook Dr Ste L-200
Sioux City, IA 51106-4203
Phone: (712) 239-4702
Fax: (712) 224-5898
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence 32426 (IA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 32426 (IA)
Interventional Cardiology Physician Taxonomy 207RI0011X · Licence 20824 (NE)
Interventional Cardiology Physician Taxonomy 207RI0011X · Licence 4455 (SD)

Record details

NPI number1265406060
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 16, 2006
Last updated in NPPESOctober 15, 2015

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 1981 (45 years in practice)
Group practice Northwest Iowa Hospital Corporation — 132 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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