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 1679574693

Leena Ray

PRACTICEDIABLO NEPHROLOGY MEDICAL GROUP, INCSee all providers at this practice →
Internal MedicineConcord, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
PRESCRIBING · PART D · 2024
Total Rx claims
54
Beneficiaries
—
Total drug cost
$287
Distinct drugs
3
Brand share
0.0%
Top prescribed drugs
Amlodipine Besylate21 claims
Losartan Potassium17 claims
Lisinopril16 claims
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Leena Ray'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). 88 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Jason Shey
Nephrology · Walnut Creek, CA
107274
Chenyin He
Nephrology · Concord, CA
92213
May Chiu
Nephrology · Walnut Creek, CA
89191
Zita Shiue
Nephrology · Concord, CA
88231
Doris Galina-Da Silva
Nephrology · Antioch, CA
87208
Mario Curzi
Nephrology · Walnut Creek, CA
81263
Jonathan Posin
Diagnostic Radiology · Walnut Creek, CA
75167
SPECTRA LABORATORIES INC72696
Angelo Crudale
Diagnostic Radiology · Walnut Creek, CA
63122
Rohit Sharma
Nephrology · Walnut Creek, CA
62149
DAVIES, ROBERT61170
Elizabeth Wrone
Nephrology · Walnut Creek, CA
5195
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
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.