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

Jason R Koelewyn, MD

Individual provider Family Medicine Physician · NPI 1659592020

Jason R Koelewyn, MD is a Family Practice in Sioux Center, Iowa. Graduated from Loma Linda University School of Medicine in 2005, 21 years ago. Practices with Sioux Center Health, a 36-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Iowa.

Years since qualifying
21
Trained at
Loma Linda University School of Medicine
Licensed in
IA
In the registry since
2007
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

1101 9th St SE
Sioux Center, IA 51250-2501
Phone: (712) 722-2609
Fax: (712) 722-4325
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 645 S Main Ave, Sioux Center, IA 51250-1347 — (712) 722-2609

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 37667 (IA)

Record details

NPI number1659592020
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 1, 2007
Last updated in NPPESMarch 17, 2018

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Sioux Center Health — 36 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Sioux Center