PROVIDER PROFILE · NPI 1083829485

Jennifer ChangDO

PRACTICETHE PERMANENTE MEDICAL GROUPSee all providers at this practice →

Emergency MedicineOakland, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$6K

Peer benchmark

Total Medicare services vs. 5,287 Emergency Medicine providers in CA — bottom quintile (cohort median 355).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$147

Distinct drugs

Brand share

52.0%

Top prescribed drugs

Ondansetron13 claims

Oxycodone Hcl12 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.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050075

Hospital

REFERRAL NETWORK

Where Jennifer 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). 1 inbound referrers · 2 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
KAISER FOUNDATION HOSPITALS	17	48

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
KAISER FOUNDATION HOSPITALS	68	147
American Medical Response West Ambulance Service Provider · Concord, CA	23	32

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