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PROVIDER PROFILE · NPI 1689602112

Defeng ChenMD

PRACTICEMICHAEL HALPERT MD PLLCSee all providers at this practice →
Internal MedicineCorpus Christi, TXI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
Final MIPS score
75.0
Quality
0.0
Cost
93.0
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
0.00%
Individual
PRESCRIBING · PART D · 2024
Total Rx claims
628
Beneficiaries
—
Total drug cost
$17K
Distinct drugs
26
Brand share
13.7%
Top prescribed drugs
Atorvastatin Calcium63 claims
Pantoprazole Sodium49 claims
Lisinopril36 claims
Furosemide35 claims
Losartan Potassium30 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,524
Unique beneficiaries
—
Total services
4,291
Distinct HCPCS
7
Medicare payment
$335K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 6,183 Internal Medicine providers in TX — top quintile (cohort median 673).
REFERRAL NETWORK

Where Defeng Chen'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). 91 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Thomas Ertzner
Diagnostic Radiology · Corpus Christi, TX
207866
GUTIERREZ QUEHL, CARLOS193995
Kenneth Vanexan
Diagnostic Radiology · Corpus Christi, TX
180826
GEMINI AMBULANCE SERVICE, INC.124452
Anthony Asistido
Internal Medicine · Corpus Christi, TX
119804
Divyang Ayar
Interventional Radiology · Pearland, TX
114565
Ann Cox
Diagnostic Radiology · Corpus Christi, TX
110480
David Saldana
Diagnostic Radiology · Corpus Christi, TX
101409
Suresh Kulkarni
Internal Medicine · Corpus Christi, TX
87256
Heriberto Tejeda
Internal Medicine · Corpus Christi, TX
84409
KRYNSKI, GREGORY81608
John Pappas
Interventional Cardiology · Corpus Christi, TX
79279
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.