What is Robert Wierenga's specialty?

Robert Wierenga (NPI 1881856888) is a Medicare-billing provider whose primary specialty is Emergency Medicine in Kalamazoo, MI.

Where does Robert Wierenga practice?

Robert Wierenga practices in Kalamazoo, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1881856888.

How much does Medicare pay Robert Wierenga?

Robert Wierenga (NPI 1881856888) received approximately $3K in total Medicare Part B payments, serving 26 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1881856888

Robert WierengaMD

Emergency MedicineKalamazoo, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$2K

Peer benchmark

Total Medicare services vs. 2,370 Emergency Medicine providers in MI — bottom quintile (cohort median 308).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Robert Wierenga'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). 33 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MYMICHIGAN MEDICAL CENTER ALMA	344	1,188
Daniel Spear Diagnostic Radiology · Grand Rapids, MI	146	271
Mobile Medical Response Inc Ambulance Service Provider · Saginaw, MI	138	363
COMMUNITY HEALTH CENTER OF BRANCH COUNTY	109	386
Johannes Buiteweg Diagnostic Radiology · Alma, MI	90	169
GELLMAN, STEVEN	48	77
Matthew Wilson Physician Assistant · Howell, MI	38	43
Abraham Krepostman Cardiology · Alma, MI	38	86
Ronald Gibson Internal Medicine · Coldwater, MI	33	95
EDWARD W SPARROW HOSPITAL ASSOCIATION	32	91
Sudeep Mohan Cardiology · Alma, MI	32	77
NPI 1023046745	32	70

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