What is Michael Karren's specialty?

Michael Karren (NPI 1730419730) is a Medicare-billing provider whose primary specialty is Certified Registered Nurse Anesthetist (CRNA) in Rexburg, ID.

Where does Michael Karren practice?

Michael Karren practices in Rexburg, ID, based on the location reported in the CMS Medicare provider datasets for NPI 1730419730.

How much does Medicare pay Michael Karren?

Michael Karren (NPI 1730419730) received approximately $15K in total Medicare Part B payments, serving 115 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1730419730

Michael KarrenCRNA

PRACTICEMADISON MEMORIAL HOSPITALSee all providers at this practice →

Certified Registered Nurse Anesthetist (CRNA)Rexburg, IDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$3K

Peer benchmark

Total Medicare services vs. 340 Certified Registered Nurse Anesthetist (CRNA) providers in ID — above median (cohort median 94).

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 · 2025

Total received

$235

Payment records

By payment type

Food and Beverage$204

Education$31

Top paying entities

Food and Beverage$204

Education$31

REFERRAL NETWORK

Where Michael Karren'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). 6 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Matthew Traynor Ophthalmology · Idaho Falls, ID	28	74
Gary Wallace Ophthalmology · Idaho Falls, ID	25	58
Dwayne Hansen General Surgery · Rexburg, ID	17	57
Clark Daines Pathology · Idaho Falls, ID	12	12
Joshua Fullmer Ophthalmology · Rexburg, ID	12	44
Justin Lamb Diagnostic Radiology · Idaho Falls, ID	11	13

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