What is Leena Ray's specialty?

Leena Ray (NPI 1679574693) is a Medicare-billing provider whose primary specialty is Internal Medicine in Concord, CA.

Where does Leena Ray practice?

Leena Ray practices in Concord, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1679574693.

How much does Medicare pay Leena Ray?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Leena Ray (NPI 1679574693) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1679574693

Leena Ray

PRACTICEDIABLO NEPHROLOGY MEDICAL GROUP, INCSee all providers at this practice →

Internal MedicineConcord, CAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$287

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Amlodipine Besylate21 claims

Losartan Potassium17 claims

Lisinopril16 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

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

Physician	Patients	Visits
Jason Shey Nephrology · Walnut Creek, CA	107	274
Chenyin He Nephrology · Concord, CA	92	213
May Chiu Nephrology · Walnut Creek, CA	89	191
Zita Shiue Nephrology · Concord, CA	88	231
Doris Galina-Da Silva Nephrology · Antioch, CA	87	208
Mario Curzi Nephrology · Walnut Creek, CA	81	263
Jonathan Posin Diagnostic Radiology · Walnut Creek, CA	75	167
SPECTRA LABORATORIES INC	72	696
Angelo Crudale Diagnostic Radiology · Walnut Creek, CA	63	122
Rohit Sharma Nephrology · Walnut Creek, CA	62	149
DAVIES, ROBERT	61	170
Elizabeth Wrone Nephrology · Walnut Creek, CA	51	95

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events