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PROVIDER PROFILE · NPI 1225006349

Steven OngMD

PRACTICEONG RUBIN SHAHMIR A MEDICAL CORPORATIONSee all providers at this practice →
NephrologyFairfield, CAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (7)

CCN 052618
Dialysis facility
CCN 552535
Dialysis facility
CCN 552763
Dialysis facility
CCN 752531
Dialysis facility
CCN 752612
Dialysis facility
CCN 050108
Hospital
CCN 050367
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
674
Unique beneficiaries
—
Total services
1,560
Distinct HCPCS
17
Medicare payment
$201K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 985 Nephrology providers in CA — above median (cohort median 1,482).
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
797
Beneficiaries
—
Total drug cost
$34K
Distinct drugs
23
Brand share
3.9%
Top prescribed drugs
Allopurinol206 claims
Amlodipine Besylate74 claims
Calcitriol66 claims
Losartan Potassium61 claims
Sevelamer Carbonate40 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$684
Payment records
18
By payment type
Food and Beverage$684
REFERRAL NETWORK

Where Steven Ong'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). 45 inbound referrers · 94 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
NPI 125533553579247
Lewis Weisblum
Diagnostic Radiology · Fairfield, CA
72288
RENAL TREATMENT CENTERS CALIFORNIA INC60536
Sreenivasa Ravuri
Critical Care (Intensivists) · Orlando, FL
35127
Warren Joseph San Diego
Internal Medicine · Fairfield, CA
3486
Edward Yoon
Cardiology · San Pablo, CA
3079
Gregory Warner
Infectious Disease · Vacaville, CA
2949
ANTON, STEVEN2987
James Long
Hematology-Oncology · Vacaville, CA
27127
Susan Gootnick
Diagnostic Radiology · Kentfield, CA
2653
Fernando Otero
Vascular Surgery · Walnut Creek, CA
26284
Nghi Lu
Diagnostic Radiology · Riverside, CA
2545
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
NORTHBAY HEALTHCARE GROUP156834
James Bronk
Diagnostic Radiology · Fairfield, CA
113412
Oleg Rubin
Nephrology · Fairfield, CA
90347
Unilab Corporation
Clinical Laboratory · Sacramento, CA
82297
NPI 125533553578241
Medic Ambulance Service Inc
Ambulance Service Provider · Vallejo, CA
74304
Cynthia Tan
Diagnostic Radiology · Maywood, IL
70166
Ehsan Shahmir
Nephrology · Vacaville, CA
68267
RENAL TREATMENT CENTERS CALIFORNIA INC67902
Lewis Weisblum
Diagnostic Radiology · Fairfield, CA
63229
Matthew Johnson
Internal Medicine · Fairfield, CA
45159
Maqbool Ahmed
Pulmonary Disease · Rancho Cordova, CA
43177
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.