PROVIDER PROFILE · NPI 1942436886

Charles ChangMD

UrologyConcord, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$3K

Peer benchmark

Total Medicare services vs. 942 Urology providers in CA — bottom quintile (cohort median 1,637).

PRESCRIBING · PART D · 2024

Total Rx claims

943

Beneficiaries

—

Total drug cost

$375K

Distinct drugs

Brand share

41.0%

Top prescribed drugs

Tamsulosin Hcl383 claims

Oxybutynin Chloride118 claims

Mirabegron109 claims

Alfuzosin Hcl107 claims

Finasteride81 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 Charles 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). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MULTICARE HEALTH SYSTEM	144	687
ARNTSON, ERIC	28	88
Peter Minich Urology · Quincy, IL	19	63
Scott Walker Diagnostic Radiology · Tacoma, WA	16	49
RICHARDSON, LONDE	16	36
Mohammed Baccora Nephrology · Puyallup, WA	15	100
Evan Leitz Diagnostic Radiology · Greenville, NC	14	35
REINBOLD, ALISON	13	38
MULTICARE HEALTH SYSTEM	12	39
JACOBSON, CHARLES	12	51

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