caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1073773347

Thishara MerzaMD

PRACTICEBALLAS ANESTHESIA, INCSee all providers at this practice →
Internal MedicineSaint Louis, MOI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 261511
Hospice
CCN 260032
Hospital
CCN 260108
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
231
Beneficiaries
—
Total drug cost
$981
Distinct drugs
14
Brand share
19.9%
Top prescribed drugs
Clopidogrel Bisulfate29 claims
Carvedilol20 claims
Losartan Potassium18 claims
Pantoprazole Sodium18 claims
Prednisone18 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
495
Unique beneficiaries
—
Total services
955
Distinct HCPCS
6
Medicare payment
$65K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,563 Internal Medicine providers in MO — above median (cohort median 658).
REFERRAL NETWORK

Where Thishara Merza'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). 37 inbound referrers · 112 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MISSOURI BAPTIST MEDICAL CENTER333617
NPI 14078795626388
Christopher Thornton
Diagnostic Radiology · Saint Louis, MO
5573
Jamie Colonnello
Diagnostic Radiology · Fort Collins, CO
5171
MOSHER, AMY4963
Michael Fritsche
Emergency Medicine · Saint Charles, MO
4367
NPI 10837915293753
Melissa Kiefer-Mcelwrath
Nurse Practitioner · Saint Louis, MO
3234
Sumera Younus
Family Practice · Saint Louis, MO
3248
HAMILL, GEOFFREY3041
NIEMEYER, JOHN3050
PATEL, PRAVINKUMAR2939
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
MISSOURI BAPTIST MEDICAL CENTER364681
NPI 1407879562131247
Douglas Curry
Diagnostic Radiology · Saint Louis, MO
112182
Abbott Ambulance Inc
Ambulance Service Provider · Saint Louis, MO
86150
DIEMER, DAVID81108
Jamie Colonnello
Diagnostic Radiology · Fort Collins, CO
81127
ENGELS, JOHN78129
Christopher Thornton
Diagnostic Radiology · Saint Louis, MO
73115
Floyd Scales
Interventional Radiology · Saint Louis, MO
72122
SOLOMON, STEVEN72114
Christine Osmon
Diagnostic Radiology · Saint Louis, MO
6993
Bazgha Ahmad
Hospitalist · Saint Louis, MO
66102
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.