What is Jason Koelewyn's specialty?

Jason Koelewyn (NPI 1659592020) is a Medicare-billing provider whose primary specialty is Family Practice in Sioux Center, IA.

Where does Jason Koelewyn practice?

Jason Koelewyn practices in Sioux Center, IA, based on the location reported in the CMS Medicare provider datasets for NPI 1659592020.

How much does Medicare pay Jason Koelewyn?

Jason Koelewyn (NPI 1659592020) received approximately $17K in total Medicare Part B payments, serving 74 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1659592020

Jason KoelewynMD

PRACTICESIOUX CENTER HEALTHSee all providers at this practice →

Family PracticeSioux Center, IAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

156

Distinct HCPCS

Medicare payment

$10K

Peer benchmark

Total Medicare services vs. 1,109 Family Practice providers in IA — below median (cohort median 805).

PRESCRIBING · PART D · 2024

Total Rx claims

7,290

Beneficiaries

—

Total drug cost

$440K

Distinct drugs

129

Brand share

21.7%

Top prescribed drugs

Atorvastatin Calcium470 claims

Levothyroxine Sodium308 claims

Losartan Potassium253 claims

Omeprazole247 claims

Amlodipine Besylate218 claims

QUALITY · MIPS · 2024

Final MIPS score

95.3

Quality

86.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.85%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$29

Payment records

By payment type

Food and Beverage$29

Top paying entities

Food and Beverage$29

REFERRAL NETWORK

Where Jason Koelewyn's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 9 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SIOUX CENTER HEALTH	323	3,056
Scott Rens Family Practice · Hull, IA	38	153
Paul Beaver Optometry · Sioux Center, IA	25	48
KRAGT, STEVEN	20	68
Lorianne Andersen Family Practice · Sioux Center, IA	18	111
Jamie Vitamvas Family Practice · Omaha, NE	18	52
Sara Oelke Podiatry · Sioux City, IA	15	84
Craig Block Urology · Iowa City, IA	13	62
Anne Hooyer Nurse Practitioner · Sioux Center, IA	12	34

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events