PROVIDER PROFILE · NPI 1609832724

Kenneth ChangMD

PRACTICEKENNETH H CHANG MD A MEDICAL CORPSee all providers at this practice →

Internal MedicineSan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,511

Unique beneficiaries

—

Total services

2,434

Distinct HCPCS

Medicare payment

$185K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

19,896

Beneficiaries

—

Total drug cost

$1.5M

Distinct drugs

144

Brand share

14.3%

Top prescribed drugs

Atorvastatin Calcium1,910 claims

Amlodipine Besylate1,506 claims

Losartan Potassium1,318 claims

Metformin Hcl955 claims

Triamcinolone Acetonide629 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$83

Payment records

By payment type

Food and Beverage$83

REFERRAL NETWORK

Where Kenneth 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). 20 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
UCSF HEALTH COMMUNITY HOSPITALS	33	78
City & County Of San Francisco Ambulance Service Provider · San Francisco, CA	28	55
Chuk Kwan Internal Medicine · San Francisco, CA	26	109
Ervin Wong Ophthalmology · San Francisco, CA	23	70
Vernon Fong Orthopedic Surgery · San Francisco, CA	19	73
Shu Wing Chan Internal Medicine · San Francisco, CA	19	35
Kin-Kee Pun Internal Medicine · San Francisco, CA	18	55
Shiu Kwok Ophthalmology · San Francisco, CA	18	85
UCSF HEALTH COMMUNITY HOSPITALS	18	53
Clifford Chew Otolaryngology · San Francisco, CA	15	79
Lee Shratter Diagnostic Radiology · Vallejo, CA	15	35
CHUNG YEUNG, DOROTHY	14	59

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