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 1497942106

Penny JohnsonMD

PRACTICEUNITED MEDICAL IMAGING HEALTHCARE, INC.See all providers at this practice →
Diagnostic RadiologyDowney, 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
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Penny Johnson'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). 8 inbound referrers · 8 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
161341
PIH HEALTH DOWNEY HOSPITAL2633
MASSOUDIAN, MOHAMMAD1925
Khai Tran
Family Practice · Paramount, CA
1737
Reza Sharafi
Internal Medicine · Downey, CA
1665
Biocorp Clinical Lab Inc
Clinical Laboratory · Whittier, CA
1431
Pramod Multani
Cardiology · Downey, CA
1427
Aileen Novero
Hematology-Oncology · Torrance, CA
1225
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
101237
PIH HEALTH DOWNEY HOSPITAL3543
Rodina Vatanparast
Hematology-Oncology · Torrance, CA
2154
Reza Sharafi
Internal Medicine · Downey, CA
1859
Charles Taylor
Diagnostic Radiology · Apple Valley, CA
1830
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
1728
ST.FRANCIS MEDICAL CENTER1521
UNIVERSITY OF CALIFORNIA IRVINE1327
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
901
Unique beneficiaries
—
Total services
1,380
Distinct HCPCS
16
Medicare payment
$104K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — below median (cohort median 2,975).