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PROVIDER PROFILE · NPI 1912934779

Robert FreyM.D.

PRACTICEESTELA DIESFELD MD PROF CORPSee all providers at this practice →
AnesthesiologyVentura, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
Final MIPS score
77.3
Quality
58.0
Cost
80.2
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.10%
Individual
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$207
Payment records
8
By payment type
Food and Beverage$207
PRESCRIBING · PART D · 2024
Total Rx claims
5,684
Beneficiaries
—
Total drug cost
$155K
Distinct drugs
36
Brand share
29.7%
Top prescribed drugs
Hydrocodone/Acetaminophen772 claims
Duloxetine Hcl633 claims
Pregabalin610 claims
Oxycodone Hcl/Acetaminophen548 claims
Diclofenac Sodium365 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
2,306
Unique beneficiaries
—
Total services
5,130
Distinct HCPCS
23
Medicare payment
$393K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 4,547 Anesthesiology providers in CA — top quintile (cohort median 182).
REFERRAL NETWORK

Where Robert Frey'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). 16 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Ethos Holding Corp
Clinical Laboratory · Newport, KY
178948
Unilab Corporation
Clinical Laboratory · West Hills, CA
109349
COMMUNITY MEMORIAL HEALTH SYSTEM107384
DIGNITY HEALTH3488
David Westra
Neurosurgery · Ventura, CA
2472
Irwin Grossman
Diagnostic Radiology · Oxnard, CA
2133
Pacific Diagnostic Laboratories
Clinical Laboratory · Santa Barbara, CA
2047
Christopher Herzig
Diagnostic Radiology · Santa Barbara, CA
1938
William Deruso
Diagnostic Radiology · Santa Barbara, CA
1831
Jennifer Kosek
Diagnostic Radiology · Santa Barbara, CA
1720
Kyu Choi
Diagnostic Radiology · Ventura, CA
1629
Nicholas Hanson
Diagnostic Radiology · Salem, OR
1532
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.