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PROVIDER PROFILE · NPI 1154309037

Rajkumar MariwallaM.D.

GastroenterologyWest Islip, NYI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 330106
Hospital
CCN 330286
Hospital
QUALITY · MIPS · 2024
Final MIPS score
24.8
Quality
0.0
Cost
82.8
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
-6.02%
Individual
PRESCRIBING · PART D · 2024
Total Rx claims
611
Beneficiaries
—
Total drug cost
$91K
Distinct drugs
11
Brand share
11.8%
Top prescribed drugs
Omeprazole277 claims
Pantoprazole Sodium102 claims
Famotidine65 claims
Sodium, Potassium,mag Sulfates30 claims
Mesalamine30 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$29K
Payment records
16
By payment type
Debt forgiveness$28K
Food and Beverage$316
Top paying entities
Debt forgiveness$28K
Food and Beverage$316
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,442
Unique beneficiaries
—
Total services
1,771
Distinct HCPCS
10
Medicare payment
$182K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,360 Gastroenterology providers in NY — top quintile (cohort median 521).
REFERRAL NETWORK

Where Rajkumar Mariwalla'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). 23 inbound referrers · 57 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Sunrise Medical Laboratories, Inc.
Clinical Laboratory · Hicksville, NY
121266
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Melville, NY
109361
ST. FRANCIS HOSPITAL57117
Northwell Health Laboratories
Clinical Laboratory · New Hyde Park, NY
57162
Laboratory Corporation Of America Holdings
Clinical Laboratory · Raritan, NJ
4792
Gary Mellen
Anesthesiology · New Rochelle, NY
3849
Bioreference Health, Llc
Clinical Laboratory · Elmwood Park, NJ
3379
SOUTH SHORE UNIVERSITY HOSPITAL3248
Raul Masakayan
Anesthesiology · Setauket, NY
3035
Zhanqing Yan
Pathology · West Islip, NY
2532
NORTH SHORE UNIVERSITY HOSPITAL2438
Brian Webber
Diagnostic Radiology · West Islip, NY
2439
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
ISLAND ENDOSCOPY CENTER LLC292597
LIU, HUI150298
GOOD SAMARITAN HOSPITAL MEDICAL CENTER138450
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Melville, NY
107328
Sunrise Medical Laboratories, Inc.
Clinical Laboratory · Hicksville, NY
103218
Gary Mellen
Anesthesiology · New Rochelle, NY
89167
Boris Livshin
Anesthesiology · New York, NY
82143
Raul Masakayan
Anesthesiology · Setauket, NY
81155
Boris Matusevich
Anesthesiology · West Islip, NY
74133
Northwell Health Laboratories
Clinical Laboratory · New Hyde Park, NY
60186
ST. FRANCIS HOSPITAL5690
Zhanqing Yan
Pathology · West Islip, NY
4278
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.