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PROVIDER PROFILE · NPI 1295875540

Walter ChanM.D.

PRACTICERICHARD BAFFORDSee all providers at this practice →
GastroenterologyBoston, MAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 220110
Hospital
CCN 220119
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
242
Beneficiaries
—
Total drug cost
$50K
Distinct drugs
10
Brand share
27.3%
Top prescribed drugs
Omeprazole55 claims
Pantoprazole Sodium32 claims
Linaclotide25 claims
Prucalopride Succinate25 claims
Nortriptyline Hcl24 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
795
Unique beneficiaries
—
Total services
860
Distinct HCPCS
15
Medicare payment
$56K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 483 Gastroenterology providers in MA — above median (cohort median 638).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$607
Payment records
5
By payment type
Food and Beverage$607
REFERRAL NETWORK

Where Walter 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). 11 inbound referrers · 17 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Francine Jacobson
Diagnostic Radiology · Roanoke, VA
2491
Robert Daniel Odze
Pathology · Boston, MA
1832
Ritu Gill
Diagnostic Radiology · New York, NY
1649
Ramona Lim
Gastroenterology · Boston, MA
1450
Michal Tomczak
Gastroenterology · Jamaica Plain, MA
1453
Quest Diagnostics Massachusetts Llc
Clinical Laboratory · Marlborough, MA
1366
Rachna Madan
Diagnostic Radiology · Boston, MA
1222
Boston Public Health Commission
Ambulance Service Provider · Boston, MA
1117
Matthew Steinhauser
Cardiology · Pittsburgh, PA
1117
FALLON SERVICE, INC.1117
Bharti Khurana
Diagnostic Radiology · Boston, MA
1121
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
BRIGHAM & WOMENS HOSPITAL, INC.3151,388
BRIGHAM AND WOMEN'S FAULKNER HOSPITAL, INC2773
DANA-FARBER CANCER INSTITUTE, INC.26237
BRAVER, JOHN26105
FALLON SERVICE, INC.2353
Quest Diagnostics Massachusetts Llc
Clinical Laboratory · Marlborough, MA
2296
Robert Burakoff
Internal Medicine · New York, NY
2152
Amitabh Srivastava
Pathology · Boston, MA
2144
Rachna Madan
Diagnostic Radiology · Boston, MA
1749
Jason Hornick
Pathology · Boston, MA
1628
Francine Jacobson
Diagnostic Radiology · Roanoke, VA
1661
Ritu Gill
Diagnostic Radiology · New York, NY
1549
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.