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PROVIDER PROFILE · NPI 1649297540

John DianaM.D.

PRACTICENAPA VALLEY ORTHOPAEDIC MEDICAL GROUP, INCSee all providers at this practice →
Orthopedic SurgeryNapa, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
Final MIPS score
90.7
Quality
94.0
Cost
65.1
Improvement activities
40.0
Promoting interop.
92.0
Payment adjustment
0.66%
Group
PRESCRIBING · PART D · 2024
Total Rx claims
247
Beneficiaries
—
Total drug cost
$533
Distinct drugs
4
Brand share
0.0%
Top prescribed drugs
Amoxicillin187 claims
Clindamycin Hcl24 claims
Tramadol Hcl24 claims
Oxycodone Hcl12 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$158K
Payment records
22
By payment type
Royalty or License$156K
Food and Beverage$1K
Travel and Lodging$724
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
2,108
Unique beneficiaries
—
Total services
2,703
Distinct HCPCS
16
Medicare payment
$502K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,921 Orthopedic Surgery providers in CA — above median (cohort median 1,100).
REFERRAL NETWORK

Where John Diana'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). 39 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC2581,352
Kimberly Opitz
Physician Assistant · Napa, CA
148601
Daniel Huber
Anesthesiology · Saint Helena, CA
96623
David Racker
Diagnostic Radiology · Saint Helena, CA
96355
Timothy Lyons
Anesthesiology · Saint Helena, CA
93645
Geoffrey Horn
Diagnostic Radiology · Saint Helena, CA
82264
Zuag Yang
Physician Assistant · Fresno, CA
68322
William Duge
Diagnostic Radiology · Saint Helena, CA
63224
Bruce Troup
Diagnostic Radiology · Napa, CA
61139
NPI 140784000254210
TRENT, JOEL43142
Lee Austin
Certified Registered Nurse Anesthetist (CRNA) · Honolulu, HI
39140
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.