What is Thishara Merza's specialty?

Thishara Merza (NPI 1073773347) is a Medicare-billing provider whose primary specialty is Internal Medicine in Saint Louis, MO.

Where does Thishara Merza practice?

Thishara Merza practices in Saint Louis, MO, based on the location reported in the CMS Medicare provider datasets for NPI 1073773347.

How much does Medicare pay Thishara Merza?

Thishara Merza (NPI 1073773347) received approximately $65K in total Medicare Part B payments, serving 322 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1073773347

Thishara MerzaMD

PRACTICEBALLAS ANESTHESIA, INCSee all providers at this practice →

Internal MedicineSaint Louis, MOI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

495

Unique beneficiaries

—

Total services

955

Distinct HCPCS

Medicare payment

$65K

Peer benchmark

Total Medicare services vs. 1,563 Internal Medicine providers in MO — above median (cohort median 658).

PRESCRIBING · PART D · 2024

Total Rx claims

231

Beneficiaries

—

Total drug cost

$981

Distinct drugs

Brand share

19.9%

Top prescribed drugs

Clopidogrel Bisulfate29 claims

Carvedilol20 claims

Losartan Potassium18 claims

Pantoprazole Sodium18 claims

Prednisone18 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 261511

Hospice

CCN 260032

Hospital

CCN 260108

Hospital

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

Physician	Patients	Visits
MISSOURI BAPTIST MEDICAL CENTER	333	617
NPI 1407879562	63	88
Christopher Thornton Diagnostic Radiology · Saint Louis, MO	55	73
Jamie Colonnello Diagnostic Radiology · Fort Collins, CO	51	71
MOSHER, AMY	49	63
Michael Fritsche Emergency Medicine · Saint Charles, MO	43	67
NPI 1083791529	37	53
Melissa Kiefer-Mcelwrath Nurse Practitioner · Saint Louis, MO	32	34
Sumera Younus Family Practice · Saint Louis, MO	32	48
HAMILL, GEOFFREY	30	41
NIEMEYER, JOHN	30	50
PATEL, PRAVINKUMAR	29	39

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
MISSOURI BAPTIST MEDICAL CENTER	364	681
NPI 1407879562	131	247
Douglas Curry Diagnostic Radiology · Saint Louis, MO	112	182
Abbott Ambulance Inc Ambulance Service Provider · Saint Louis, MO	86	150
DIEMER, DAVID	81	108
Jamie Colonnello Diagnostic Radiology · Fort Collins, CO	81	127
ENGELS, JOHN	78	129
Christopher Thornton Diagnostic Radiology · Saint Louis, MO	73	115
Floyd Scales Interventional Radiology · Saint Louis, MO	72	122
SOLOMON, STEVEN	72	114
Christine Osmon Diagnostic Radiology · Saint Louis, MO	69	93
Bazgha Ahmad Hospitalist · Saint Louis, MO	66	102

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events