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

Jeffrey S Sykes, MD

Individual provider Cardiovascular Disease Physician · NPI 1649244682

Jeffrey S Sykes, MD is a Cardiovascular Disease (Cardiology) in Sioux City, Iowa. Graduated from Michigan State University College of Human Medicine in 1993, 33 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
33
Trained at
Michigan State University College of Human Medicine
Licensed in
IA, NE, SD
In the registry since
2006
Specialties on file
3
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

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence MD-33097 (IA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 21326 (NE)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 4627 (SD)

Record details

NPI number1649244682
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 15, 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 schoolMICHIGAN STATE UNIVERSITY COLLEGE OF HUMAN MEDICINE
Graduated 1993 (33 years in practice)
Group practice Northwest Iowa Hospital Corporation — 132 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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