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PROVIDER PROFILE · NPI 1790888006

Sidney ChangMD

OphthalmologySan Diego, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$1K
Payment records
54
By payment type
Food and Beverage$1K
PRESCRIBING · PART D · 2024
Total Rx claims
2,121
Beneficiaries
—
Total drug cost
$822K
Distinct drugs
22
Brand share
42.0%
Top prescribed drugs
Prednisolone Acetate408 claims
Latanoprost356 claims
Moxifloxacin Hcl240 claims
Timolol Maleate187 claims
Dorzolamide Hcl/Timolol Maleat178 claims
REFERRAL NETWORK

Where Sidney 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). 15 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Bergman Eye Surgery Center, Llc
Ambulatory Surgical Center · Hagerstown, MD
291958
NPI 145732517754118
Kevin Dobbins
Optometry · Martinsburg, WV
3667
Jerzy Kornilow
Optometry · Hagerstown, MD
26108
Quest Diagnostics Incorporated Md
Clinical Laboratory · Baltimore, MD
2546
Adam Gerstenblith
Ophthalmology · Hagerstown, MD
2242
Augustus Stern
Ophthalmology · Hagerstown, MD
1939
WAR MEMORIAL HOSPITAL, INC.1870
Lisa Higginbotham
Internal Medicine · Waynesboro, PA
1640
Robert Parnes
Ophthalmology · Hagerstown, MD
1528
John Wroblewski
Ophthalmology · Hagerstown, MD
1225
Mansoor Husain
Diagnostic Radiology · Hagerstown, MD
1224
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
2,565
Unique beneficiaries
—
Total services
3,129
Distinct HCPCS
17
Medicare payment
$391K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 2,144 Ophthalmology providers in CA — above median (cohort median 1,859).