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PROVIDER PROFILE · NPI 1043321698

Bill ChangMD

Vascular SurgeryHouston, TXI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 450617
Hospital
CCN 452075
Long-term care hospital
REFERRAL NETWORK

Where Bill Chang'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). 66 inbound referrers · 153 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
CHCA CLEAR LAKE LP182673
Sankaman Praisoody
Diagnostic Radiology · Houston, TX
68316
Sandeep Amesur
Diagnostic Radiology · Houston, TX
61290
Tejinder Ahuja
Nephrology · Webster, TX
55398
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Houston, TX
52161
Ahmed Ahmed
Cardiology · Webster, TX
45137
GILLESPIE, JOHN41108
Rajiv Thakur
Interventional Radiology · Houston, TX
40152
Siddhartha Acharya
Cardiology · Texas City, TX
40118
Mallika Kamana
Infectious Disease · Webster, TX
39273
Nehme Alkarra
Internal Medicine · Dickinson, TX
34147
Joseph Prince
Pulmonary Disease · Texas City, TX
34163
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
CHCA CLEAR LAKE LP214811
HOUSTON METHODIST ST. JOHN HOSPITAL107212
Robert Matteson
Diagnostic Radiology · Houston, TX
88626
Chand Mathur
Diagnostic Radiology · Houston, TX
74316
Sandeep Amesur
Diagnostic Radiology · Houston, TX
72319
Sankaman Praisoody
Diagnostic Radiology · Houston, TX
70337
Justin Merszei
Nephrology · Houston, TX
62740
Rajiv Thakur
Interventional Radiology · Houston, TX
60219
Ahmed Ahmed
Cardiology · Webster, TX
56199
Tejinder Ahuja
Nephrology · Webster, TX
56523
Vince Nguyen
Cardiac Surgery · Houston, TX
53399
Robin Armstrong
Internal Medicine · League City, TX
50406
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
839
Unique beneficiaries
—
Total services
1,139
Distinct HCPCS
20
Medicare payment
$126K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 273 Vascular Surgery providers in TX — top quintile (cohort median 854).
PRESCRIBING · PART D · 2024
Total Rx claims
368
Beneficiaries
—
Total drug cost
$61K
Distinct drugs
8
Brand share
59.8%
Top prescribed drugs
Tramadol Hcl123 claims
Clopidogrel Bisulfate118 claims
Rivaroxaban44 claims
Acetaminophen With Codeine35 claims
Warfarin Sodium13 claims
QUALITY · MIPS · 2024
Final MIPS score
100.0
Quality
95.5
Cost
73.5
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
1.05%
Individual
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$307
Payment records
9
By payment type
Food and Beverage$307