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PROVIDER PROFILE · NPI 1043287857

Wallen ChanM.D.

PRACTICEALLA M PLOTKINA DO PCSee all providers at this practice →
GastroenterologyStaten Island, NYI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 330028
Hospital
CCN 330160
Hospital
QUALITY · MIPS · 2024
Final MIPS score
71.5
Quality
82.9
Cost
0.0
Improvement activities
40.0
Promoting interop.
5.7
Payment adjustment
-0.42%
APM Entity
PRESCRIBING · PART D · 2024
Total Rx claims
1,744
Beneficiaries
—
Total drug cost
$140K
Distinct drugs
21
Brand share
21.7%
Top prescribed drugs
Famotidine371 claims
Pantoprazole Sodium358 claims
Omeprazole322 claims
Peg3350/Sod Sulf,bicarb,cl/Kcl134 claims
Hydrocortisone73 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
530
Unique beneficiaries
—
Total services
565
Distinct HCPCS
8
Medicare payment
$74K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,360 Gastroenterology providers in NY — above median (cohort median 521).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$512
Payment records
21
By payment type
Food and Beverage$512
REFERRAL NETWORK

Where Wallen Chan'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). 13 inbound referrers · 30 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
STATEN ISLAND UNIVERSITY HOSPITAL44118
Daniel Peterson
Diagnostic Radiology · Staten Island, NY
2347
GIAIMO, THOMAS2256
VADDE, PRASAD2281
SWAMY, SAMALA2048
Vinay Kikkeri
Interventional Radiology · Staten Island, NY
1434
Bioreference Health, Llc
Clinical Laboratory · Elmwood Park, NJ
1334
Michael Mantello
Diagnostic Radiology · Staten Island, NY
1222
Thomas Hansen
Pathology · Omaha, NE
1216
Peter Stathopoulos
Internal Medicine · Staten Island, NY
1126
Primary Care Ambulance Corp
Ambulance Service Provider · Staten Island, NY
1161
New York City Health And Hospitals Corporation
Ambulance Service Provider · Brooklyn, NY
1123
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
RICHMOND MEDICAL CENTER154559
Quest Diagnostics Incorporated
Clinical Laboratory · Clifton, NJ
60189
STATEN ISLAND UNIVERSITY HOSPITAL37112
Thomas Hansen
Pathology · Omaha, NE
3399
KADIRE, BUHALQEM3177
MANFREDI, RONALD28118
Daniel Peterson
Diagnostic Radiology · Staten Island, NY
2775
VADDE, PRASAD2363
Abdelsalam Sharabi
Pathology · New York, NY
2260
GIAIMO, THOMAS2047
Priority One Ambulance Inc.
Ambulance Service Provider · Staten Island, NY
2051
Dapeng Fan
Anesthesiology · Staten Island, NY
1839
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.