PROVIDER PROFILE · NPI 1992876973

David SapersteinDO

PRACTICEKAISER FONTANASee all providers at this practice →

Interventional RadiologyFontana, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

143

Unique beneficiaries

—

Total services

211

Distinct HCPCS

Medicare payment

$1K

Peer benchmark

Total Medicare services vs. 402 Interventional Radiology providers in CA — below median (cohort median 566).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$23

Payment records

By payment type

Food and Beverage$23

REFERRAL NETWORK

Where David Saperstein'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). 9 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
KAISER FOUNDATION HOSPITALS	111	172
Li-Chang Lien Diagnostic Radiology · Orange, CA	17	24
Long Vu Interventional Radiology · Fontana, CA	14	18
Jon Lee Diagnostic Radiology · Fontana, CA	14	24
Soonhae Lee Interventional Radiology · Fontana, CA	13	19
Sam Kim Interventional Radiology · Fontana, CA	13	23
Sangku Kang Interventional Radiology · Upland, CA	12	16
Jack Toung Diagnostic Radiology · New Haven, CT	12	16
Monica Leung Radiology · Fontana, CA	11	14

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