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PROVIDER PROFILE · NPI 1407857329

May ChiuMD

NephrologyWalnut Creek, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
Final MIPS score
99.8
Quality
81.9
Cost
84.7
Improvement activities
40.0
Promoting interop.
99.0
Payment adjustment
1.04%
Individual
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$611
Payment records
21
By payment type
Food and Beverage$611
Top paying entities
Food and Beverage$611
PRESCRIBING · PART D · 2024
Total Rx claims
670
Beneficiaries
—
Total drug cost
$32K
Distinct drugs
18
Brand share
12.4%
Top prescribed drugs
Amlodipine Besylate195 claims
Losartan Potassium102 claims
Carvedilol81 claims
Furosemide51 claims
Allopurinol33 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
990
Unique beneficiaries
—
Total services
2,565
Distinct HCPCS
14
Medicare payment
$293K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 985 Nephrology providers in CA — above median (cohort median 1,482).
REFERRAL NETWORK

Where May Chiu'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). 106 inbound referrers · 167 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Zita Shiue
Nephrology · Concord, CA
112233
Jason Shey
Nephrology · Walnut Creek, CA
105218
Mario Curzi
Nephrology · Walnut Creek, CA
101239
SPECTRA LABORATORIES INC94601
Chenyin He
Nephrology · Concord, CA
94203
Doris Galina-Da Silva
Nephrology · Antioch, CA
85162
Rohit Sharma
Nephrology · Walnut Creek, CA
84211
David Howard
Diagnostic Radiology · Walnut Creek, CA
77178
DAVIES, ROBERT75163
Jonathan Posin
Diagnostic Radiology · Walnut Creek, CA
70148
Angelo Crudale
Diagnostic Radiology · Walnut Creek, CA
64111
Vincent Wong
Diagnostic Radiology · Walnut Creek, CA
57113
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
119368
Jason Shey
Nephrology · Walnut Creek, CA
113252
JOHN MUIR HEALTH110265
Doris Galina-Da Silva
Nephrology · Antioch, CA
106240
Chenyin He
Nephrology · Concord, CA
104238
JOHN MUIR HEALTH99217
SPECTRA LABORATORIES INC96567
Mario Curzi
Nephrology · Walnut Creek, CA
95211
Zita Shiue
Nephrology · Concord, CA
93197
Edward Kim
Nephrology · Concord, CA
90181
Leena Ray
Internal Medicine · Concord, CA
89191
Rohit Sharma
Nephrology · Walnut Creek, CA
78193
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.