What is Don Chang's specialty?

Don Chang (NPI 1619101805) is a Medicare-billing provider whose primary specialty is Nephrology in Roseville, CA.

Where does Don Chang practice?

Don Chang practices in Roseville, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1619101805.

How much does Medicare pay Don Chang?

Don Chang (NPI 1619101805) received approximately $125K in total Medicare Part B payments, serving 537 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1619101805

Don ChangM.D.

NephrologyRoseville, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

614

Unique beneficiaries

—

Total services

1,283

Distinct HCPCS

Medicare payment

$115K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

1,258

Beneficiaries

—

Total drug cost

$38K

Distinct drugs

Brand share

2.2%

Top prescribed drugs

Calcitriol193 claims

Amlodipine Besylate162 claims

Carvedilol139 claims

Lisinopril118 claims

Furosemide113 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$252

Payment records

By payment type

Food and Beverage$252

Top paying entities

Food and Beverage$252

REFERRAL NETWORK

Where Don 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). 39 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Gregory Spin Nephrology · Roseville, CA	139	826
SUTTER VALLEY HOSPITALS	88	270
SUTTER VALLEY HOSPITALS	76	281
DVA RENAL HEALTHCARE INC	57	661
RICHEY, MARK	33	81
Michael Hallenbeck Diagnostic Radiology · Grass Valley, CA	31	73
Kuldip Gill Internal Medicine · Grass Valley, CA	30	202
NPI 1295787455	27	107
Lana Gafter Nephrology · Roseville, CA	25	194
Jackson Wang Nephrology · Grass Valley, CA	24	37
Christine Chao Interventional Radiology · Sacramento, CA	22	56
Bijan Bijan Diagnostic Radiology · Sacramento, CA	20	81

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