What is Michael Karch's specialty?

Michael Karch (NPI 1861548448) is a Medicare-billing provider whose primary specialty is Orthopedic Surgery in Mammoth Lakes, CA.

Where does Michael Karch practice?

Michael Karch practices in Mammoth Lakes, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1861548448.

How much does Medicare pay Michael Karch?

Michael Karch (NPI 1861548448) received approximately $43K in total Medicare Part B payments, serving 126 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1861548448

Michael KarchM.D.

PRACTICESOLSTAS LAB PARTNERS GROUP LLCSee all providers at this practice →

Orthopedic SurgeryMammoth Lakes, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

186

Unique beneficiaries

—

Total services

202

Distinct HCPCS

Medicare payment

$16K

Peer benchmark

Total Medicare services vs. 1,921 Orthopedic Surgery providers in CA — below median (cohort median 1,100).

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

$531

Payment records

By payment type

Food and Beverage$531

Top paying entities

Food and Beverage$531

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 051303

Hospital

CCN 051324

Hospital

CCN 051333

Hospital

REFERRAL NETWORK

Where Michael Karch'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). 7 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SOUTHERN MONO HEALTH CARE DISTRICT	68	249
Yuri Parisky Diagnostic Radiology · Mammoth Lakes, CA	39	101
Jennifer Harkins Anesthesiology · Tampa, FL	22	76
BOURNE, JONATHAN	21	106
WILLES, EDRIC	19	85
NORTHERN INYO HEALTHCARE DISTRICT	17	55
Sean Park Internal Medicine · Yreka, CA	12	47

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