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PROVIDER PROFILE · NPI 1295766889

Douglas ChangM.D.

NeurologyFoothill Ranch, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050230
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
150
Unique beneficiaries
—
Total services
239
Distinct HCPCS
4
Medicare payment
$18K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,670 Neurology providers in CA — below median (cohort median 581).
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Douglas 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). 6 inbound referrers · 13 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Reza Shahbaz
Diagnostic Radiology · Orange, CA
71139
Asaad Hakim
Pulmonary Disease · Garden Grove, CA
2467
Harpreet Singh
Cardiology · Fountain Valley, CA
2123
Naser Rahbar
Diagnostic Radiology · Anaheim, CA
1926
HUNG NGUYEN, M.D., INC.1418
True Mcmahan
Emergency Medicine · Laguna Beach, CA
1116
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Reza Shahbaz
Diagnostic Radiology · Orange, CA
4686
PRIME HEALTHCARE SERVICES - GARDEN GROVE LLC3144
Kan-Di-Ki Llc
Portable X-Ray Supplier · North Hollywood, CA
2179
Asaad Hakim
Pulmonary Disease · Garden Grove, CA
2146
Clarence Coleman
Diagnostic Radiology · Edina, MN
1930
Chaewon Song
Internal Medicine · Garden Grove, CA
1446
Symons Emergency Specialties, Inc.
Ambulance Service Provider · Bishop, CA
1417
SOUTHLAND AMBULANCE LLC1313
Naser Rahbar
Diagnostic Radiology · Anaheim, CA
1316
Essam Mostafa
Nephrology · Fountain Valley, CA
1322
Elizabeth Nghiem
Infectious Disease · Fountain Valley, CA
1330
Falck Mobile Health Corp
Ambulance Service Provider · Orange, CA
1319
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.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$18
Payment records
1
By payment type
Food and Beverage$18
QUALITY · MIPS · 2024
No data available for this provider in 2024.