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PROVIDER PROFILE · NPI 1093060386

Mark AshbyPA

Physician AssistantSherman Oaks, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 050261
Hospital
CCN 050586
Hospital
CCN 050709
Hospital
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
282
Beneficiaries
—
Total drug cost
$1K
Distinct drugs
11
Brand share
47.9%
Top prescribed drugs
Ibuprofen63 claims
Hydrocodone/Acetaminophen39 claims
Ondansetron31 claims
Sulfamethoxazole/Trimethoprim27 claims
Acetaminophen With Codeine24 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,318
Unique beneficiaries
—
Total services
1,364
Distinct HCPCS
27
Medicare payment
$108K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 7,073 Physician Assistant providers in CA — top quintile (cohort median 224).
REFERRAL NETWORK

Where Mark Ashby'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). 5 inbound referrers · 14 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
TULARE LOCAL HEALTH CARE DISTRICT41191
ALTURA CENTERS FOR HEALTH2051
Robert Kollen
Emergency Medicine · Colton, CA
1767
Frank Macaluso
Diagnostic Radiology · Tulare, CA
1668
LIN, JOHN1125
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
TULARE LOCAL HEALTH CARE DISTRICT98353
Frank Macaluso
Diagnostic Radiology · Tulare, CA
43113
SMITH, RONALD3069
Brian Woo
Emergency Medicine · Selma, CA
2963
SMITH, PRUDENCE2451
KAWEAH DELTA HEALTH CARE DISTRICT2479
Sierra Lifestar Inc.,
Ambulance Service Provider · Tulare, CA
2249
ALTURA CENTERS FOR HEALTH1848
Ronald Ostrom
Emergency Medicine · Tulare, CA
1532
LIN, JOHN1527
Michelle Thomas
Hospitalist · Fresno, CA
1443
David Smith
Emergency Medicine · Hanford, CA
1223
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.