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JASON R KOELEWYN MD
NPI 1659592020
Family Medicine in Sioux Center, IA

Active since May 01, 2007PECOS EnrolledAccepts Medicare Assignment
94/100
CMS Quality Rating
1101 9TH ST SE, SIOUX CENTER, IA 51250(712) 722-2609(712) 722-4325 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 17, 2018, Nov 2, 2017 (2 updates tracked since 2017).

About Jason R Koelewyn Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JASON R KOELEWYN MD (NPI 1659592020) is an individual family medicine provider in Sioux Center, Iowa, licensed in Iowa (37667) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Sioux Center Health, and maintains a secondary practice location in Sioux Center.

NPPES Registry Identity

NPI1659592020
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameJASON R KOELEWYNCredential: MD
Location Address1101 9TH ST SESioux Center, IA 51250-2501
Mailing Address1101 9th St SeSioux Center, IA 51250-2501 · (712) 722-2609 · Fax (712) 722-4325
Phone(712) 722-2609
Fax(712) 722-4325
Sole ProprietorNo
Medical School CMSLoma Linda University School Of MedicineGraduated 2005
Enumeration DateMay 1, 2007
Last NPPES UpdateMarch 17, 20182 updates tracked since enumeration
✔ NPI 1659592020 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in IA · 37667
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1101 9TH ST SE, Sioux Center, IA 51250
Open in Google Maps ↗

Secondary Practice Location 1

Location 1645 S Main AveSioux Center, IA 51250-1347 · Phone (712) 722-2609 · Fax (712) 722-4325

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Sunflower Health Plan, Ambetter Health, Ambetter Health of Delaware and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jason R Koelewyn Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2961595608
PECOS Enrollment IDI20080812000837
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Jason Koelewyn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sioux Center Health
Same address
Critical Access
1101 9TH ST SE
Sioux Center, IA 51250
  • Reassigned Medicare billing, Iowa enrollment
  • Also billed through NPI 1669542981 (Iowa)
  • 45 clinicians in this Medicare group
NPI 1326056755 (712) 722-1271

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
72 services21 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
49 services22 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
20 services20 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
15 services15 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sioux Center Health

Critical Access Hospitals · Sioux Center, IA
OwnershipVoluntary non-profit - Private
CMS Certification Number161346
Location1101 9th Street SESioux Center, IA 51250 · Sioux County
Emergency services

Avera Mckennan Hospital & University Health Center

Acute Care Hospitals · Sioux Falls, SD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number430016
Location1325 S Cliff AveSioux Falls, SD 57117 · Minnehaha County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 51250 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.79
Promoting Interoperability98.22
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 19

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
3 suppliers51 claims106 services$5.71 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
1 supplier48 claims48 services$41.91 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
1 supplier29 claims29 services$109.00 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
1 supplier35 claims103 services$43.17 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
1 supplier14 claims71 services$19.07 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
1 supplier20 claims20 services$67.71 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BETHANY SCHOLTEN CNP
Nurse Practitioner (Family)
1101 9TH ST SE
SIOUX CENTER, IA 51250
Sioux County (712) 722-2609
ALISON JOY SCHUTT MD
Family Medicine
1101 9TH ST SE
SIOUX CENTER, IA 51250
Sioux County (712) 722-1271
JEANNE M KLEINHESSELINK PMHNP
Nurse Practitioner (Family)
1101 9TH ST SE
SIOUX CENTER, IA 51250
Sioux County (712) 722-8396
ALEXYA VAN GINKEL
Occupational Therapist
1101 9TH ST SE
SIOUX CENTER, IA 51250
Sioux County (712) 722-1271
TRENT GELEYNSE
Physical Therapist
1101 9TH ST SE
SIOUX CENTER, IA 51250
Sioux County (712) 722-8125
SARA WIELENGA
Physical Therapist
1101 9TH ST SE
SIOUX CENTER, IA 51250
Sioux County (712) 722-8125
MRS. MORGAN MEISSNER PA-C
Physician Assistant (Medical)
1101 9TH ST SE
SIOUX CENTER, IA 51250
Sioux County (712) 722-2609
SHANNON VANDERKOOI DO
Family Medicine
1101 9TH ST SE
SIOUX CENTER, IA 51250
Sioux County (712) 722-1271

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jason Koelewyn's NPI number?

The NPI number for Jason Koelewyn is 1659592020. It was assigned to this individual provider in the NPPES registry on May 1, 2007.

Where is Jason Koelewyn located?

Jason Koelewyn practices at 1101 9th St SE, Sioux Center, IA 51250. The listed phone number is (712) 722-2609.

What is Jason Koelewyn's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Jason Koelewyn enrolled in Medicare?

Yes. Jason Koelewyn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Jason Koelewyn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jason Koelewyn reassigns Medicare benefits to Sioux Center Health (Sioux Center, IA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jason Koelewyn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jason Koelewyn accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Avera Health Plans and Oscar Insurance Company and 1 other insurer list Jason Koelewyn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Jason Koelewyn affiliated with any hospitals?

According to CMS data, Jason Koelewyn is affiliated with Sioux Center Health and Avera Mckennan Hospital & University Health Center.

When was this NPI record last updated?

The NPPES record for Jason Koelewyn was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.