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PROVIDER PROFILE · NPI 1619101805

Don ChangM.D.

NephrologyRoseville, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
614
Unique beneficiaries
—
Total services
1,283
Distinct HCPCS
6
Medicare payment
$115K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 985 Nephrology providers in CA — below median (cohort median 1,482).
PRESCRIBING · PART D · 2024
Total Rx claims
1,258
Beneficiaries
—
Total drug cost
$38K
Distinct drugs
23
Brand share
2.2%
Top prescribed drugs
Calcitriol193 claims
Amlodipine Besylate162 claims
Carvedilol139 claims
Lisinopril118 claims
Furosemide113 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$252
Payment records
8
By payment type
Food and Beverage$252
REFERRAL NETWORK

Where Don Chang'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). 39 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Gregory Spin
Nephrology · Roseville, CA
139826
SUTTER VALLEY HOSPITALS88270
SUTTER VALLEY HOSPITALS76281
DVA RENAL HEALTHCARE INC57661
RICHEY, MARK3381
Michael Hallenbeck
Diagnostic Radiology · Grass Valley, CA
3173
Kuldip Gill
Internal Medicine · Grass Valley, CA
30202
NPI 129578745527107
Lana Gafter
Nephrology · Roseville, CA
25194
Jackson Wang
Nephrology · Grass Valley, CA
2437
Christine Chao
Interventional Radiology · Sacramento, CA
2256
Bijan Bijan
Diagnostic Radiology · Sacramento, CA
2081
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.