What is Joan Chang's specialty?

Joan Chang (NPI 1063526291) is a Medicare-billing provider whose primary specialty is Internal Medicine in Indianapolis, IN.

Where does Joan Chang practice?

Joan Chang practices in Indianapolis, IN, based on the location reported in the CMS Medicare provider datasets for NPI 1063526291.

How much does Medicare pay Joan Chang?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Joan Chang (NPI 1063526291) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1063526291

Joan Chang

Internal MedicineIndianapolis, INI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$296

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Amlodipine Besylate15 claims

Gabapentin12 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Joan 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). 12 inbound referrers · 10 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Lasalle Ambulance Inc Ambulance Service Provider · Buffalo, NY	32	97
MERCY HOSPITAL OF BUFFALO	27	74
KALEIDA HEALTH	25	139
GUTSIN, STEVEN	17	39
Gerald Joyce Diagnostic Radiology · Buffalo, NY	16	40
Steven Buslovich Internal Medicine · Buffalo, NY	15	131
Buffalo Ultrasound, Idtf Portable X-Ray Supplier · Williamsville, NY	14	41
Elizabeth Leiser Nurse Practitioner · Kenmore, NY	14	161
Shannon Marzullo Nurse Practitioner · Buffalo, NY	14	87
Charles Yates Family Practice · Cheektowaga, NY	13	115
Aaron Powell Diagnostic Radiology · Buffalo, NY	13	26
FITZGERALD, JAMES	12	30

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
KALEIDA HEALTH	30	245
HOSPICE BUFFALO, INC.	28	71
GUTSIN, STEVEN	21	45
Lasalle Ambulance Inc Ambulance Service Provider · Buffalo, NY	17	133
Elizabeth Leiser Nurse Practitioner · Kenmore, NY	17	215
KALEIDA HEALTH	16	85
Steven Buslovich Internal Medicine · Buffalo, NY	16	138
Charles Yates Family Practice · Cheektowaga, NY	15	107
Buffalo Ultrasound, Idtf Portable X-Ray Supplier · Williamsville, NY	13	57
Shannon Marzullo Nurse Practitioner · Buffalo, NY	13	82

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