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PROVIDER PROFILE · NPI 1033434923

Parker Duncan DiazMD, MPH, FAAFP

PRACTICEST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLCSee all providers at this practice →
Family PracticeSanta Rosa, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 058189
Home health agency
CCN 050174
Hospital
CCN 050291
Hospital
REFERRAL NETWORK

Where Parker Duncan Diaz'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). 2 inbound referrers · 5 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
SANTA ROSA COMMUNITY HEALTH CENTERS43184
ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC1953
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
SANTA ROSA COMMUNITY HEALTH CENTERS75376
Unilab Corporation
Clinical Laboratory · Sacramento, CA
3993
ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC1958
Marie Mulligan
General Practice · Santa Rosa, CA
1438
SUTTER BAY HOSPITALS1430
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
14
Unique beneficiaries
—
Total services
14
Distinct HCPCS
1
Medicare payment
$113
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 8,228 Family Practice providers in CA — bottom quintile (cohort median 411).
PRESCRIBING · PART D · 2024
Total Rx claims
1,096
Beneficiaries
—
Total drug cost
$113K
Distinct drugs
35
Brand share
21.0%
Top prescribed drugs
Atorvastatin Calcium105 claims
Metformin Hcl89 claims
Empagliflozin63 claims
Hydrocodone/Acetaminophen62 claims
Omeprazole52 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.