What is Chang Joo's specialty?

Chang Joo (NPI 1508868787) is a Medicare-billing provider whose primary specialty is Nephrology in Modesto, CA.

Where does Chang Joo practice?

Chang Joo practices in Modesto, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1508868787.

How much does Medicare pay Chang Joo?

Chang Joo (NPI 1508868787) received approximately $171K in total Medicare Part B payments, serving 436 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1508868787

Chang JooMD

PRACTICEMODESTO KIDNEY MEDICAL GROUPSee all providers at this practice →

NephrologyModesto, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

658

Unique beneficiaries

—

Total services

1,306

Distinct HCPCS

Medicare payment

$168K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

1,684

Beneficiaries

—

Total drug cost

$190K

Distinct drugs

Brand share

15.5%

Top prescribed drugs

Calcitriol331 claims

Amlodipine Besylate252 claims

Parenteral Amino Acid 20% No.1127 claims

Losartan Potassium126 claims

Furosemide97 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

100.0

Cost

72.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

1.05%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$45

Payment records

By payment type

Food and Beverage$45

Top paying entities

Food and Beverage$45

REFERRAL NETWORK

Where Chang Joo'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). 33 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
DOCTORS MEDICAL CENTER OF MODESTO, INC.	114	414
LIU, KENNETH	45	169
Richard Haak Interventional Radiology · Modesto, CA	44	198
SPECTRA LABORATORIES INC	34	188
DOCTORS MEDICAL CENTER OF MODESTO, INC.	32	98
Obadiah Elkins Diagnostic Radiology · Fresno, CA	30	62
Nha Tran Diagnostic Radiology · Sacramento, CA	30	93
Jerry Grigoropoulos Diagnostic Radiology · Modesto, CA	29	81
SUTTER GOULD MEDICAL FOUNDATION	29	165
Rajesh Dubey Cardiology · Modesto, CA	27	59
Oak Valley Hospital District Ambulance Service Provider · Oakdale, CA	26	117
Kent Wong Cardiology · Modesto, CA	25	107

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