caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1134271067

Olga LyassM.D.

PRACTICEHONG SHEN MD INCSee all providers at this practice →
Diagnostic RadiologyLancaster, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
Final MIPS score
75.0
Quality
0.0
Cost
0.0
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
0.00%
Individual
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

CCN 050058
Hospital
CCN 050116
Hospital
CCN 050191
Hospital
CCN 050235
Hospital
CCN 120002
Hospital
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,371
Unique beneficiaries
—
Total services
1,395
Distinct HCPCS
17
Medicare payment
$82K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — below median (cohort median 2,975).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$17
Payment records
1
By payment type
Food and Beverage$17
REFERRAL NETWORK

Where Olga Lyass'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). 175 inbound referrers · 368 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
City Of Los Angeles
Ambulance Service Provider · Los Angeles, CA
404500
DIGNITY COMMUNITY CARE314445
Unilab Corporation
Clinical Laboratory · West Hills, CA
211362
PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA166324
ANTELOPE VALLEY HEALTH CARE DISTRICT153256
Richard Yoo
Diagnostic Radiology · Los Angeles, CA
146276
SOUTHERN CALIFORNIA HEALTHCARE SYSTEM, INC124155
Eugene Choi
Diagnostic Radiology · Los Angeles, CA
117298
Kellie Curtis
General Surgery · Northridge, CA
106179
Kevin Rice
Diagnostic Radiology · Cape Girardeau, MO
105163
Justin Bick-Forrester
Diagnostic Radiology · Los Angeles, CA
97155
Michael Klein
Diagnostic Radiology · La Jolla, CA
87123
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
DIGNITY COMMUNITY CARE238408
PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA190361
PIH HEALTH GOOD SAMARITAN HOSPITAL190259
Unilab Corporation
Clinical Laboratory · West Hills, CA
180276
ANTELOPE VALLEY HEALTH CARE DISTRICT140214
Eugene Choi
Diagnostic Radiology · Los Angeles, CA
131282
Bruce Macrum
Cardiology · Los Angeles, CA
128276
Anil Wadhwani
Diagnostic Radiology · Santa Monica, CA
126238
CHA HOLLYWOOD MEDICAL CENTER, LP116155
VALLEY PRESBYTERIAN HOSPITAL113158
Justin Bick-Forrester
Diagnostic Radiology · Los Angeles, CA
111255
Paul Baez
Diagnostic Radiology · Brooklyn, NY
111135
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.