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PROVIDER PROFILE · NPI 1366438624

Michael ChangM.D.

OphthalmologyLexington, MAI
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
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
2,187
Beneficiaries
—
Total drug cost
$349K
Distinct drugs
27
Brand share
44.3%
Top prescribed drugs
Timolol Maleate510 claims
Latanoprost310 claims
Erythromycin Base236 claims
Bimatoprost204 claims
Brimonidine Tartrate137 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,510
Unique beneficiaries
—
Total services
1,687
Distinct HCPCS
8
Medicare payment
$101K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 558 Ophthalmology providers in MA — below median (cohort median 1,976).
REFERRAL NETWORK

Where Michael 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). 22 inbound referrers · 36 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Quest Diagnostics Massachusetts Llc
Clinical Laboratory · Marlborough, MA
158247
New England Eye Surgical Center Inc
Ambulatory Surgical Center · Weymouth, MA
119210
SOUTH SHORE HOSPITAL INC.87182
Harbor Medical Associates, Inc.
Clinical Laboratory · South Weymouth, MA
86302
BETH ISRAEL DEACONESS HOSPITAL MILTON INC64153
BROCKTON HOSPITAL, INC.4482
Margaret Hoffman
Certified Registered Nurse Anesthetist (CRNA) · Framingham, MA
4258
THE GENERAL HOSPITAL CORPORATION3574
QUEST DIAGNOSTICS MASSACHUSETTS LLC3256
Mark Dacey
Ophthalmology · East Weymouth, MA
2340
STEWARD CARNEY HOSPITAL, INC.1738
Ying Wang
Pathology · Brockton, MA
1726
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Quest Diagnostics Massachusetts Llc
Clinical Laboratory · Marlborough, MA
139224
SOUTH SHORE HOSPITAL INC.91174
New England Eye Surgical Center Inc
Ambulatory Surgical Center · Weymouth, MA
89145
Harbor Medical Associates, Inc.
Clinical Laboratory · South Weymouth, MA
89318
STEWARD GOOD SAMARITAN MEDICAL CENTER, INC.67110
BETH ISRAEL DEACONESS HOSPITAL MILTON INC63141
BROCKTON HOSPITAL, INC.4582
BRIGHAM & WOMENS HOSPITAL, INC.43107
THE GENERAL HOSPITAL CORPORATION3870
Margaret Hoffman
Certified Registered Nurse Anesthetist (CRNA) · Framingham, MA
3255
QUEST DIAGNOSTICS MASSACHUSETTS LLC2951
Mark Dacey
Ophthalmology · East Weymouth, MA
2843
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.