What is Annie Chang's specialty?

Annie Chang (NPI 1699738336) is a Medicare-billing provider whose primary specialty is Ophthalmology in Arvada, CO.

Where does Annie Chang practice?

Annie Chang practices in Arvada, CO, based on the location reported in the CMS Medicare provider datasets for NPI 1699738336.

How much does Medicare pay Annie Chang?

Annie Chang (NPI 1699738336) received approximately $106K in total Medicare Part B payments, serving 432 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1699738336

Annie ChangM.D.

OphthalmologyArvada, COI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,174

Unique beneficiaries

—

Total services

1,319

Distinct HCPCS

Medicare payment

$100K

Peer benchmark

Total Medicare services vs. 288 Ophthalmology providers in CO — below median (cohort median 1,772).

PRESCRIBING · PART D · 2024

Total Rx claims

762

Beneficiaries

—

Total drug cost

$74K

Distinct drugs

Brand share

37.0%

Top prescribed drugs

Latanoprost305 claims

Timolol Maleate140 claims

Moxifloxacin Hcl90 claims

Bimatoprost56 claims

Neomycin/Polymyxin B/Dexametha41 claims

QUALITY · MIPS · 2024

Final MIPS score

24.0

Quality

0.0

Cost

79.9

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-6.12%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$255

Payment records

By payment type

Food and Beverage$255

Top paying entities

Food and Beverage$255

REFERRAL NETWORK

Where Annie 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). 3 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Clear Creek Surgery Center Llc Ambulatory Surgical Center · Wheat Ridge, CO	71	119
John Duvall Ophthalmology · Arvada, CO	29	102
NPI 1396781134	29	68

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events