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 1184661134

Stewart LeckerM.D.

NephrologyBoston, MAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (7)

CCN 222511
Dialysis facility
CCN 222529
Dialysis facility
CCN 222534
Dialysis facility
CCN 222568
Dialysis facility
CCN 220083
Hospital
CCN 220086
Hospital
CCN 220108
Hospital
REFERRAL NETWORK

Where Stewart Lecker'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). 62 inbound referrers · 88 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
BETH ISRAEL DEACONESS HOSPITAL-NEEDHAM, INC.77300
Lisa Dumouchel
Nurse Practitioner · Boston, MA
77131
Paul Spirn
Diagnostic Radiology · Boston, MA
71417
Ronald Eisenberg
Diagnostic Radiology · Boston, MA
70379
Alexander Bankier
Diagnostic Radiology · Worcester, MA
67346
James Ducksoon Chang
Cardiology · Boston, MA
45188
Sejal Shah
Diagnostic Radiology · Dallas, TX
43106
BOISELLE, PHILLIP36189
Quest Diagnostics Massachusetts Llc
Clinical Laboratory · Marlborough, MA
35125
Mark Williams
Nephrology · Boston, MA
33315
DVA HEALTHCARE OF MASSACHUSETTS INC33441
Martha Pavlakis
Internal Medicine · Boston, MA
32176
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
BETH ISRAEL DEACONESS MEDICAL CENTER, INC.3562,204
BETH ISRAEL DEACONESS HOSPITAL-NEEDHAM, INC.82417
Alexander Bankier
Diagnostic Radiology · Worcester, MA
57225
Ronald Eisenberg
Diagnostic Radiology · Boston, MA
53275
Paul Spirn
Diagnostic Radiology · Boston, MA
50224
Cataldo Ambulance Service Inc
Ambulance Service Provider · Somerville, MA
44238
FALLON SERVICE, INC.42435
James Ducksoon Chang
Cardiology · Boston, MA
38146
Mark Williams
Nephrology · Boston, MA
36296
LIFELINE AMBULANCE SERVICE, LLC34607
KANE, ROBERT3474
Martha Pavlakis
Internal Medicine · Boston, MA
34181
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.
PRESCRIBING · PART D · 2024
Total Rx claims
1,137
Beneficiaries
—
Total drug cost
$226K
Distinct drugs
30
Brand share
22.3%
Top prescribed drugs
Calcitriol230 claims
Empagliflozin140 claims
Losartan Potassium86 claims
Amlodipine Besylate80 claims
Lisinopril51 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,605
Unique beneficiaries
—
Total services
2,533
Distinct HCPCS
27
Medicare payment
$152K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 270 Nephrology providers in MA — top quintile (cohort median 904).
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.