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PROVIDER PROFILE · NPI 1386739845

David HorwitzPAC

PRACTICEOPEN DOOR COMMUNITY HEALTH CENTERSSee all providers at this practice →
Physician AssistantArcata, CAI
CROSS-REFERENCE

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INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
2,597
Beneficiaries
—
Total drug cost
$529K
Distinct drugs
80
Brand share
28.8%
Top prescribed drugs
Atorvastatin Calcium219 claims
Hydrocodone/Acetaminophen158 claims
Levothyroxine Sodium113 claims
Gabapentin98 claims
Amlodipine Besylate78 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
97
Unique beneficiaries
—
Total services
143
Distinct HCPCS
4
Medicare payment
$981
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 7,073 Physician Assistant providers in CA — below median (cohort median 224).
REFERRAL NETWORK

Where David Horwitz'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 · 6 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
OPEN DOOR COMMUNITY HEALTH CENTERS160857
Natalia Zarzhevsky
Diagnostic Radiology · Arcata, CA
37100
Gail Hovorka
Family Practice · Arcata, CA
1234
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
129479
OPEN DOOR COMMUNITY HEALTH CENTERS59233
AMERICAN HOSPITAL MANAGEMENT CORPORATION48203
ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC3994
Natalia Zarzhevsky
Diagnostic Radiology · Arcata, CA
2559
Gail Hovorka
Family Practice · Arcata, CA
1455
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.