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PROVIDER PROFILE · NPI 1104076785

Leonid GroysmanMD

NeurologyFountain Valley, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 050603
Hospital
CCN 050678
Hospital
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
236
Unique beneficiaries
—
Total services
359
Distinct HCPCS
8
Medicare payment
$41K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,670 Neurology providers in CA — below median (cohort median 581).
QUALITY · MIPS · 2024
Final MIPS score
87.2
Quality
81.2
Cost
71.6
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.51%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Leonid Groysman'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). 12 inbound referrers · 31 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Byron J Allen
Internal Medicine · Orange, CA
37162
David Floriolli
Diagnostic Radiology · Orange, CA
26186
Pranav Patel
Cardiology · Orange, CA
2160
Marisa Tseng
Diagnostic Radiology · Duarte, CA
21150
NPI 109389566619136
Joseph Burns
Diagnostic Radiology · Santa Barbara, CA
1874
Teferi Mitiku
Internal Medicine · Orange, CA
1765
Cyrus Dastur
Critical Care (Intensivists) · Orange, CA
17268
Jason Handwerker
Diagnostic Radiology · San Diego, CA
1787
Dawn Lombardo
Cardiology · Orange, CA
1340
Natalie Sardjono
Diagnostic Radiology · Long Beach, CA
1364
Mona Sazgar
Neurology · Orange, CA
12144
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
UNIVERSITY OF CALIFORNIA IRVINE58133
CYRLAK, DVORA37475
GREENSITE, FRED36218
Byron J Allen
Internal Medicine · Orange, CA
34110
Falck Mobile Health Corp
Ambulance Service Provider · Orange, CA
3097
Pablo Abbona
Diagnostic Radiology · Los Angeles, CA
29167
Marisa Tseng
Diagnostic Radiology · Duarte, CA
26170
Cyrus Dastur
Critical Care (Intensivists) · Orange, CA
23379
Teferi Mitiku
Internal Medicine · Orange, CA
2063
Lilit Mnatsakanyan
Neurology · Orange, CA
20108
Pranav Patel
Cardiology · Orange, CA
1956
Mohammad Helmy
Diagnostic Radiology · Orange, CA
18182
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.