What is Ku-Juey Raymond Chang's specialty?

Ku-Juey Raymond Chang (NPI 1689611337) is a Medicare-billing provider whose primary specialty is Nephrology in Lake Forest, CA.

Where does Ku-Juey Raymond Chang practice?

Ku-Juey Raymond Chang practices in Lake Forest, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1689611337.

How much does Medicare pay Ku-Juey Raymond Chang?

Ku-Juey Raymond Chang (NPI 1689611337) received approximately $423K in total Medicare Part B payments, serving 376 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1689611337

Ku-Juey Raymond ChangM.D.

NephrologyLake Forest, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

9,902

Unique beneficiaries

—

Total services

22,142

Distinct HCPCS

Medicare payment

$418K

Peer benchmark

Total Medicare services vs. 985 Nephrology providers in CA — top quintile (cohort median 1,482).

PRESCRIBING · PART D · 2024

Total Rx claims

3,870

Beneficiaries

—

Total drug cost

$1.2M

Distinct drugs

Brand share

41.2%

Top prescribed drugs

Atorvastatin Calcium375 claims

Levothyroxine Sodium361 claims

Empagliflozin326 claims

Levothyroxine Sodium243 claims

Tirzepatide195 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$87K

Payment records

222

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$78K

Food and Beverage$5K

Consulting Fee$3K

Travel and Lodging$2K

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$78K

Food and Beverage$5K

Consulting Fee$3K

Travel and Lodging$2K

REFERRAL NETWORK

Where Ku-Juey Raymond 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). 35 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LEGACY LABS LLC	154	554
SADDLEBACK MEMORIAL MEDICAL CENTER	140	615
Unilab Corporation Clinical Laboratory · West Hills, CA	69	304
INTERNIST LABORATORY	61	445
George Shahinian Pulmonary Disease · Aliso Viejo, CA	48	448
HERREN ENTERPRISES INC	47	214
Brian Chavez Endocrinology · Lake Forest, CA	40	233
Steven Sorenson Diagnostic Radiology · Redlands, CA	32	146
Elliott Fankuchen Diagnostic Radiology · Laguna Beach, CA	31	103
Homer Lew Internal Medicine · Laguna Hills, CA	28	183
Jeffrey Dym Diagnostic Radiology · Laguna Niguel, CA	27	100
Erik Pasin Urology · Mission Viejo, CA	24	128

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events