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PROVIDER PROFILE · NPI 1588691265

Chien-Huan ChenMD

GastroenterologySaint Louis, MOI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
362
Unique beneficiaries
—
Total services
387
Distinct HCPCS
11
Medicare payment
$44K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 294 Gastroenterology providers in MO — below median (cohort median 585).
PRESCRIBING · PART D · 2024
Total Rx claims
1,341
Beneficiaries
—
Total drug cost
$4.2M
Distinct drugs
36
Brand share
44.1%
Top prescribed drugs
Omeprazole189 claims
Sodium, Potassium,mag Sulfates112 claims
Mesalamine89 claims
Ustekinumab85 claims
Azathioprine72 claims
QUALITY · MIPS · 2024
Final MIPS score
84.2
Quality
71.6
Cost
75.7
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.39%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Chien-Huan 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). 19 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Ilke Nalbantoglu
Pathology · Saint Louis, MO
4181
Danielle Carpenter
Pathology · Saint Louis, MO
3477
WESTERHOLD-MCDANIEL, CLAUDIA3261
Ta-Chiang Liu
Pathology · Saint Louis, MO
2958
Morey Blinder
Hematology · Saint Louis, MO
2179
Sandor Kovacs
Cardiology · Saint Louis, MO
1829
Marianna Ruzinova
Pathology · Saint Louis, MO
1636
Richard Ostlund
Endocrinology · Saint Louis, MO
1635
David Gierada
Diagnostic Radiology · Saint Louis, MO
1519
MISSOURI BAPTIST MEDICAL CENTER1458
Janice Semenkovich
Diagnostic Radiology · Saint Louis, MO
1420
Michael Mueller
Certified Registered Nurse Anesthetist (CRNA) · Saint Louis, MO
1433
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.