caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1801830070

NPI 1801830070

PRACTICEMATHIESEN MEMORIAL HEALTH CLINICSee all providers at this practice →
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
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 NPI 1801830070'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). 32 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Jason Hwang
Diagnostic Radiology · Oakland, CA
209456
County Of Tuolumne
Ambulance Service Provider · Sonora, CA
207525
David Allen
Internal Medicine · Sonora, CA
126256
Eric Hemminger
Cardiology · Englewood, CO
97208
James Comazzi
Specialist · Sonora, CA
74185
SONORA COMMUNITY HOSPITAL66214
Joanne Rios
Certified Clinical Nurse Specialist · Sonora, CA
46125
Stephanie Stuart
Emergency Medicine · Sonora, CA
45160
SONORA COMMUNITY HOSPITAL43103
Mohammed Siddiqui
Nephrology · Madera, CA
3865
Steven Joye
Emergency Medicine · Sonora, CA
35140
Robert Reina
Internal Medicine · Sonora, CA
32117
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.