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 1265491641

Sunanda ChatterjeeMD

PRACTICENGOC TUAN NGUYEN MD INCSee all providers at this practice →
PathologySouth El Monte, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
196
Unique beneficiaries
—
Total services
367
Distinct HCPCS
9
Medicare payment
$7K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,209 Pathology providers in CA — bottom quintile (cohort median 1,423).
REFERRAL NETWORK

Where Sunanda Chatterjee'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). 27 inbound referrers · 58 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
EMANATE HEALTH MEDICAL CENTER344492
Unilab Corporation
Clinical Laboratory · West Hills, CA
5899
Charles Brown
Diagnostic Radiology · Long Beach, CA
5371
Scott Yochim
Diagnostic Radiology · Bozeman, MT
5065
PARK, SUSIE4768
Mumtaz Akram
Gastroenterology · West Covina, CA
45126
Jonathan Tye
Cardiology · West Covina, CA
3447
PFISTERER, WILLIAM2946
Claudio Gallego
Internal Medicine · San Dimas, CA
2545
Brian Leberthon
Hematology-Oncology · West Covina, CA
2382
Patrick Truong
Gastroenterology · West Covina, CA
2226
Mark Li
Gastroenterology · Hacienda Hts, CA
2140
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
EMANATE HEALTH MEDICAL CENTER66104
David Lin
Diagnostic Radiology · Omaha, NE
4998
Maryam Sokhan Sanj
Diagnostic Radiology · Bronx, NY
4477
Rescue Services International, Ltd
Ambulance Service Provider · Irwindale, CA
3846
Sartaj Arora
Gastroenterology · West Covina, CA
3568
Unilab Corporation
Clinical Laboratory · West Hills, CA
3560
Richard Penney
Interventional Radiology · Fargo, ND
3566
Mumtaz Akram
Gastroenterology · West Covina, CA
3343
YOON, JAE3259
Syed Rizvi
Internal Medicine · San Dimas, CA
2967
Robinson Baron
General Surgery · Covina, CA
2941
Patrick Truong
Gastroenterology · West Covina, CA
2946
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.