PROVIDER PROFILE · NPI 1598705022

Janet ChangM.D.

Internal MedicineWellesley, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,238

Unique beneficiaries

—

Total services

1,440

Distinct HCPCS

Medicare payment

$110K

Peer benchmark

Total Medicare services vs. 3,978 Internal Medicine providers in MA — top quintile (cohort median 564).

PRESCRIBING · PART D · 2024

Total Rx claims

4,217

Beneficiaries

—

Total drug cost

$166K

Distinct drugs

Brand share

13.6%

Top prescribed drugs

Atorvastatin Calcium463 claims

Levothyroxine Sodium259 claims

Amlodipine Besylate244 claims

Rosuvastatin Calcium229 claims

Hydrochlorothiazide220 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 Janet 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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
DUFFY, JUDITH	26	53
DRUCKER, ELIZABETH	16	24
Kee Chung Diagnostic Radiology · Boston, MA	13	23
Donna-Lee Selland Diagnostic Radiology · Boston, MA	12	21
CORRIGAN, BRENDA	11	32

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