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PROVIDER PROFILE · NPI 1467646026

Calvin MaMD

PRACTICESUTTER VALLEY MEDICAL FOUNDATIONSee all providers at this practice →
Diagnostic RadiologySacramento, CAI
CROSS-REFERENCE

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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
4,679
Unique beneficiaries
—
Total services
17,621
Distinct HCPCS
51
Medicare payment
$231K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — top quintile (cohort median 2,975).
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Calvin Ma'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). 101 inbound referrers · 187 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
SUTTER VALLEY HOSPITALS255387
SUTTER VALLEY HOSPITALS85133
Hugh Mcswain
Diagnostic Radiology · San Francisco, CA
76185
Christine Chao
Interventional Radiology · Sacramento, CA
70107
NPI 12957874556098
Bijan Bijan
Diagnostic Radiology · Sacramento, CA
5899
SEIDENWURM, DAVID4763
Scott Foster
Diagnostic Radiology · Sacramento, CA
4259
Don Loomer
Diagnostic Radiology · Sacramento, CA
4266
Parmbir Sandhu
Diagnostic Radiology · Sacramento, CA
4070
Jeffrey Fountain
Diagnostic Radiology · Sacramento, CA
3962
Neelima Vallurupalli
Cardiology · Sacramento, CA
3861
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Sutter Valley Medical Foundation
Clinical Laboratory · Sacramento, CA
244968
SUTTER VALLEY HOSPITALS209332
Unilab Corporation
Clinical Laboratory · Sacramento, CA
146273
American Medical Response West
Ambulance Service Provider · West Sacramento, CA
96125
SUTTER VALLEY HOSPITALS91156
SUTTER VALLEY HOSPITALS88133
FIRST RESPONDER EMS-SACRAMENTO73109
REGENTS OF THE UNIVERSITY OF CALIFORNIA66136
Glenn Hofer
Interventional Radiology · Roseville, CA
6399
Hugh Mcswain
Diagnostic Radiology · San Francisco, CA
60110
Tuan Nguyen
Diagnostic Radiology · Stanford, CA
57110
Christine Chao
Interventional Radiology · Sacramento, CA
5082
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.