What is Michael Chang's specialty?

Michael Chang (NPI 1366438624) is a Medicare-billing provider whose primary specialty is Ophthalmology in Lexington, MA.

Where does Michael Chang practice?

Michael Chang practices in Lexington, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1366438624.

How much does Medicare pay Michael Chang?

Michael Chang (NPI 1366438624) received approximately $107K in total Medicare Part B payments, serving 578 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1366438624

Michael ChangM.D.

OphthalmologyLexington, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,510

Unique beneficiaries

—

Total services

1,687

Distinct HCPCS

Medicare payment

$101K

Peer benchmark

Total Medicare services vs. 558 Ophthalmology providers in MA — below median (cohort median 1,976).

PRESCRIBING · PART D · 2024

Total Rx claims

2,187

Beneficiaries

—

Total drug cost

$349K

Distinct drugs

Brand share

44.3%

Top prescribed drugs

Timolol Maleate510 claims

Latanoprost310 claims

Erythromycin Base236 claims

Bimatoprost204 claims

Brimonidine Tartrate137 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

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

Physician	Patients	Visits
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	158	247
New England Eye Surgical Center Inc Ambulatory Surgical Center · Weymouth, MA	119	210
SOUTH SHORE HOSPITAL INC.	87	182
Harbor Medical Associates, Inc. Clinical Laboratory · South Weymouth, MA	86	302
BETH ISRAEL DEACONESS HOSPITAL MILTON INC	64	153
BROCKTON HOSPITAL, INC.	44	82
Margaret Hoffman Certified Registered Nurse Anesthetist (CRNA) · Framingham, MA	42	58
THE GENERAL HOSPITAL CORPORATION	35	74
QUEST DIAGNOSTICS MASSACHUSETTS LLC	32	56
Mark Dacey Ophthalmology · East Weymouth, MA	23	40
STEWARD CARNEY HOSPITAL, INC.	17	38
Ying Wang Pathology · Brockton, MA	17	26

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	139	224
SOUTH SHORE HOSPITAL INC.	91	174
New England Eye Surgical Center Inc Ambulatory Surgical Center · Weymouth, MA	89	145
Harbor Medical Associates, Inc. Clinical Laboratory · South Weymouth, MA	89	318
STEWARD GOOD SAMARITAN MEDICAL CENTER, INC.	67	110
BETH ISRAEL DEACONESS HOSPITAL MILTON INC	63	141
BROCKTON HOSPITAL, INC.	45	82
BRIGHAM & WOMENS HOSPITAL, INC.	43	107
THE GENERAL HOSPITAL CORPORATION	38	70
Margaret Hoffman Certified Registered Nurse Anesthetist (CRNA) · Framingham, MA	32	55
QUEST DIAGNOSTICS MASSACHUSETTS LLC	29	51
Mark Dacey Ophthalmology · East Weymouth, MA	28	43

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history