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PROVIDER PROFILE · NPI 1497909931

Gonzalo ObnialM.D.

Vascular SurgeryWalnut Creek, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
Final MIPS score
99.3
Quality
89.0
Cost
75.1
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
1.02%
Individual
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$3K
Payment records
41
By payment type
Food and Beverage$2K
Travel and Lodging$1K
PRESCRIBING · PART D · 2024
Total Rx claims
324
Beneficiaries
—
Total drug cost
$40K
Distinct drugs
5
Brand share
94.4%
Top prescribed drugs
Clopidogrel Bisulfate232 claims
Hydrocodone/Acetaminophen32 claims
Rivaroxaban31 claims
Pantoprazole Sodium18 claims
Apixaban11 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,828
Unique beneficiaries
—
Total services
2,374
Distinct HCPCS
20
Medicare payment
$379K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 399 Vascular Surgery providers in CA — top quintile (cohort median 763).
REFERRAL NETWORK

Where Gonzalo Obnial'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). 9 inbound referrers · 19 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
SPECTRA LABORATORIES INC32170
SUTTER EAST BAY HOSPITALS31100
CONTRA COSTA COUNTY27205
Lawrence Gluckstein
Anesthesiology · Walnut Creek, CA
1995
RAI CARE CENTERS OF NORTHERN CALIFORNIA II, LLC1675
RICH, PHILIP1225
Jason Shey
Nephrology · Walnut Creek, CA
1285
Yakuan Yvonne Chen
Nephrology · Oakland, CA
1149
Mario Curzi
Nephrology · Walnut Creek, CA
1197
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
50258
SUTTER EAST BAY HOSPITALS48184
JOHN MUIR HEALTH41162
Unilab Corporation
Clinical Laboratory · Sacramento, CA
38193
JOHN MUIR HEALTH34153
SPECTRA LABORATORIES INC29134
SUTTER EAST BAY HOSPITALS2567
CONTRA COSTA COUNTY25172
Unilab Corporation
Clinical Laboratory · San Jose, CA
22155
Hussain Gilani
Nephrology · Oakland, CA
20187
American Medical Response West
Ambulance Service Provider · Concord, CA
1850
RAI CARE CENTERS OF NORTHERN CALIFORNIA II, LLC1568
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.