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PROVIDER PROFILE · NPI 1386806453

Obiora OnwuamezeMD, MS, PHD

PRACTICEBOARD OF TRUSTEES OF SOUTHERN ILLINOIS UNIVERSITYSee all providers at this practice →
PsychiatrySpringfield, ILI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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PRESCRIBING · PART D · 2024
Total Rx claims
1,464
Beneficiaries
—
Total drug cost
$337K
Distinct drugs
39
Brand share
17.5%
Top prescribed drugs
Clozapine236 claims
Risperidone104 claims
Trazodone Hcl92 claims
Paliperidone Palmitate81 claims
Benztropine Mesylate78 claims
QUALITY · MIPS · 2024
Final MIPS score
75.0
Quality
19.0
Cost
68.3
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
0.00%
Group
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
286
Unique beneficiaries
—
Total services
890
Distinct HCPCS
8
Medicare payment
$73K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 760 Psychiatry providers in IL — top quintile (cohort median 287).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Obiora Onwuameze'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). 21 inbound referrers · 27 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MEMORIAL MEDICAL CENTER69562
ST JOHNS HOSPITAL OF THE HOSPITAL SISTERS OF THE THIRD ORDER OF ST F62546
MEDICS FIRST INC.39311
SOLTYS, STEPHEN37247
Sue Volarich
Diagnostic Radiology · Springfield, IL
27256
Roberto Pacheco-Coronado
Interventional Cardiology · Washington, MO
25137
Kathleen Bottum
Psychiatry & Neurology · Springfield, IL
24121
Laura Shea
Psychiatry & Neurology · Springfield, IL
20122
Shailesh Nandish
Internal Medicine · Springfield, IL
20105
Jeffrey Bennett
Psychiatry · Springfield, IL
1859
Nzeadibenma Uzochukwu
Diagnostic Radiology · Springfield, IL
18113
Anton Johnson
Diagnostic Radiology · Springfield, IL
17102
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
NPI 1518949353131194
Mohammed Siddiqui
Psychiatry · Lombard, IL
67446
Santosh Shrestha
Psychiatry · Springfield, IL
62559
MEMORIAL MEDICAL CENTER45253
SOLTYS, STEPHEN37377
ST JOHNS HOSPITAL OF THE HOSPITAL SISTERS OF THE THIRD ORDER OF ST F33250
America Ambulance Service, Inc.
Ambulance Service Provider · Springfield, IL
2895
Kathleen Bottum
Psychiatry & Neurology · Springfield, IL
22120
Laura Shea
Psychiatry & Neurology · Springfield, IL
21123
Simon Bekker
Diagnostic Radiology · Springfield, IL
1972
MEDICS FIRST INC.19102
Karen Broquet
Psychiatry · Springfield, IL
1898
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.