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PROVIDER PROFILE · NPI 1306870845

Christopher DumaM.D.

PRACTICEJOHN CARLISLE BROWN MD INCSee all providers at this practice →
NeurosurgeryNewport Beach, 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 557412
Home health agency
CCN 050224
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,049
Unique beneficiaries
—
Total services
1,389
Distinct HCPCS
22
Medicare payment
$288K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 497 Neurosurgery providers in CA — top quintile (cohort median 341).
PRESCRIBING · PART D · 2024
Total Rx claims
12
Beneficiaries
—
Total drug cost
$62
Distinct drugs
1
Brand share
100.0%
Top prescribed drugs
Clopidogrel Bisulfate12 claims
QUALITY · MIPS · 2024
Final MIPS score
31.4
Quality
19.1
Cost
66.7
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
-5.23%
Individual
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$3K
Payment records
43
By payment type
Food and Beverage$3K
REFERRAL NETWORK

Where Christopher Duma'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). 20 inbound referrers · 49 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
92255
Binh Nguyen
Interventional Radiology · Newport Beach, CA
60173
Wallace Peck
Diagnostic Radiology · Newport Beach, CA
45139
Peter Giuliano
Diagnostic Radiology · Newport Beach, CA
34102
Brian Kim
Radiation Oncology · Newport Beach, CA
30184
William Vandalsem
Diagnostic Radiology · Newport Beach, CA
2760
Winston Whitney
Diagnostic Radiology · Newport Beach, CA
2245
Kenneth Martinez
Neurology · Aliso Viejo, CA
2085
Karence Chan
Diagnostic Radiology · Newport Beach, CA
2057
Shaya Ghazinoor
Diagnostic Radiology · Newport Beach, CA
1950
Scott Williams
Diagnostic Radiology · Stanford, CA
1736
Jason Muir
Neurology · Newport Beach, CA
1593
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
HOAG MEMORIAL HOSPITAL PRESBYTERIAN2941,937
Mark Chen
Diagnostic Radiology · Newport Beach, CA
134454
Kristin Scord
Physician Assistant · Newport Beach, CA
124637
Melissa Yu
Diagnostic Radiology · Newport Beach, CA
73222
Unilab Corporation
Clinical Laboratory · West Hills, CA
69221
Wallace Peck
Diagnostic Radiology · Newport Beach, CA
59214
CALIFORNIA LABORATORY SCIENCES LLC55296
Michael Brant-Zawadski
Diagnostic Radiology · Newport Beach, CA
43127
Brian Kim
Radiation Oncology · Newport Beach, CA
34314
William Vandalsem
Diagnostic Radiology · Newport Beach, CA
34127
ST. JOSEPH HEALTH SYSTEM HOME CARE SERVICES LLC33122
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
3380
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.