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PROVIDER PROFILE · NPI 1265453724

David ChangMD

Vascular SurgerySan Jose, 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 050380
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
195
Unique beneficiaries
—
Total services
300
Distinct HCPCS
7
Medicare payment
$40K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 399 Vascular Surgery providers in CA — below median (cohort median 763).
REFERRAL NETWORK

Where David 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). 14 inbound referrers · 30 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
GOOD SAMARITAN HOSPITAL, L.P.46107
NPI 14476823803672
Bruce Lerman
Podiatry · Los Gatos, CA
25101
GRIFFIN, CHARLES2347
Alexander Doan
Nephrology · San Jose, CA
23155
Vineet Sharma
Diagnostic Radiology · Fremont, CA
2149
NPI 12553355352143
BIO-MEDICAL APPLICATIONS OF LOS GATOS, INC.1880
Willie Lu
Internal Medicine · Los Gatos, CA
1321
NPI 108367502912118
SAINT LOUISE REGIONAL HOSPITAL1227
EL CAMINO HOSPITAL1112
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Peter Schubart
Surgery · San Jose, CA
196506
O'CONNOR HOSPITAL150385
Unilab Corporation
Clinical Laboratory · San Jose, CA
65205
GOOD SAMARITAN HOSPITAL, L.P.49155
Eurofins Ascend Clinical, Llc
Clinical Laboratory · Sunnyvale, CA
42127
Klaus Fechner
Diagnostic Radiology · San Jose, CA
4078
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
34102
GRIFFIN, CHARLES3269
NPI 14476823803151
Steven Tilles
Internal Medicine · San Jose, CA
28259
Bruce Lerman
Podiatry · Los Gatos, CA
23146
Philip Pattarelli
Diagnostic Radiology · San Jose, CA
2335
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.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
46
Beneficiaries
—
Total drug cost
$36K
Distinct drugs
2
Brand share
100.0%
Top prescribed drugs
Apixaban25 claims
Rivaroxaban21 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$24
Payment records
1
By payment type
Food and Beverage$24