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PROVIDER PROFILE · NPI 1215249214

Marika EnnisM.D.

Emergency MedicineSan Jose, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 050006
Hospital
CCN 051318
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
13
Beneficiaries
—
Total drug cost
$82
Distinct drugs
1
Brand share
0.0%
Top prescribed drugs
Cephalexin13 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
342
Unique beneficiaries
—
Total services
350
Distinct HCPCS
5
Medicare payment
$30K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 5,287 Emergency Medicine providers in CA — above median (cohort median 355).
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 Marika Ennis'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). 3 inbound referrers · 23 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC3479
SUTTER WEST BAY MEDICAL FOUNDATION2296
Falck Northern California Corp.
Ambulance Service Provider · Hayward, CA
1837
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
SUTTER BAY HOSPITALS180379
American Medical Response West
Ambulance Service Provider · Napa, CA
60130
Anthony Sajewicz
Diagnostic Radiology · Santa Rosa, CA
54130
Falck Northern California Corp.
Ambulance Service Provider · Hayward, CA
45106
BOOTH, SCOTT3661
NPI 16191661213568
ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC3368
Bradley Restel
Diagnostic Radiology · Santa Rosa, CA
3159
SUTTER BAY HOSPITALS2974
POPOVICH, MARK2443
Unilab Corporation
Clinical Laboratory · Sacramento, CA
2252
Mujeeb Altaf
Hospitalist · Santa Rosa, CA
1933
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.