What is Johan Winoto's specialty?

Johan Winoto (NPI 1780635920) is a Medicare-billing provider whose primary specialty is Nephrology in Elk Grove, CA.

Where does Johan Winoto practice?

Johan Winoto practices in Elk Grove, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1780635920.

How much does Medicare pay Johan Winoto?

Johan Winoto (NPI 1780635920) received approximately $142K in total Medicare Part B payments, serving 345 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1780635920

Johan WinotoM.D.

NephrologyElk Grove, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

459

Unique beneficiaries

—

Total services

1,057

Distinct HCPCS

Medicare payment

$137K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

1,131

Beneficiaries

—

Total drug cost

$128K

Distinct drugs

Brand share

20.0%

Top prescribed drugs

Calcium Acetate139 claims

Nifedipine137 claims

Sevelamer Carbonate132 claims

Amlodipine Besylate119 claims

Losartan Potassium102 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$59

Payment records

By payment type

Food and Beverage$59

Top paying entities

Food and Beverage$59

REFERRAL NETWORK

Where Johan Winoto'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). 78 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NPI 1255335535	147	1,299
DIGNITY COMMUNITY CARE	124	541
GRIFFIN DIALYSIS LLC	79	2,190
David Pai Nephrology · Sacramento, CA	74	387
WEST ELK GROVE DIALYSIS LLC	55	844
Thomas Wu Interventional Radiology · Sacramento, CA	53	232
DIGNITY HEALTH	51	139
Richard Defelice Pulmonary Disease · Sacramento, CA	41	144
Elena Gelfand Nephrology · Sacramento, CA	36	123
Rohit Bhaskar Cardiology · Folsom, CA	32	72
VETTER, WILLIAM	27	57
Brian Fellmeth Diagnostic Radiology · Sacramento, CA	27	79

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