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 1043287378

Sam MazjMD

PRACTICEEDGAR O. VYHMEISTER, MD,See all providers at this practice →
Hematology-OncologyChico, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (7)

CCN 051524
Hospice
CCN 051666
Hospice
CCN 050030
Hospital
CCN 050039
Hospital
CCN 050042
Hospital
CCN 051317
Hospital
CCN 051327
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,743
Unique beneficiaries
—
Total services
4,550
Distinct HCPCS
9
Medicare payment
$353K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 957 Hematology-Oncology providers in CA — above median (cohort median 4,173).
PRESCRIBING · PART D · 2024
Total Rx claims
2,069
Beneficiaries
—
Total drug cost
$5.8M
Distinct drugs
46
Brand share
31.8%
Top prescribed drugs
Ondansetron Hcl216 claims
Acyclovir143 claims
Apixaban139 claims
Letrozole119 claims
Prochlorperazine Maleate117 claims
QUALITY · MIPS · 2024
Final MIPS score
84.8
Quality
68.7
Cost
67.2
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.41%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$26K
Payment records
33
By payment type
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$20K
Travel and Lodging$4K
Food and Beverage$1K
Education$99
Top paying entities
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$20K
Travel and Lodging$4K
Food and Beverage$1K
Education$99
REFERRAL NETWORK

Where Sam Mazj'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). 38 inbound referrers · 87 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ENLOE MEDICAL CENTER92778
Aaron Kaplan
Diagnostic Radiology · Vancouver, WA
65219
Michael Grant
Diagnostic Radiology · Eden Prairie, MN
58164
WARREN, JAMES51194
Ronald Batin
Critical Care (Intensivists) · Ukiah, CA
50480
Ji Hye Park
Nurse Practitioner · Roseville, CA
48378
Mauricio Schrader
Diagnostic Radiology · Chico, CA
39137
Arthur Silverstein
Cardiology · Paradise, CA
38140
Gregory Lang
Urology · Paradise, CA
37302
Steven Wahlen
Radiation Oncology · Chico, CA
36211
James Schlund
Diagnostic Radiology · Chico, CA
3193
Sampath Kumar Alapati
Diagnostic Radiology · Strongsville, OH
3180
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
FEATHER RIVER HOSPITAL5389,465
SCOFIELD, RONILEE127683
ENLOE MEDICAL CENTER95836
Ji Hye Park
Nurse Practitioner · Roseville, CA
80528
OROVILLE HOSPITAL80632
Gautam Bahl
Diagnostic Radiology · Sacramento, CA
67233
Unilab Corporation
Clinical Laboratory · Sacramento, CA
65383
ADVENTIST HEALTH CLEARLAKE HOSPITAL INC.58303
Michael Grant
Diagnostic Radiology · Eden Prairie, MN
56157
Douglas Hughes
Interventional Radiology · Redding, CA
55175
John Brannen
Interventional Radiology · Chico, CA
54251
WARREN, JAMES53147
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.