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 1265645790

David WestraM.D.

NeurosurgeryVentura, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

CCN 053190
Home health agency
CCN 057040
Home health agency
CCN 050082
Hospital
CCN 050394
Hospital
CCN 051334
Hospital
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$892
Payment records
40
By payment type
Food and Beverage$892
PRESCRIBING · PART D · 2024
Total Rx claims
239
Beneficiaries
—
Total drug cost
$2K
Distinct drugs
5
Brand share
70.3%
Top prescribed drugs
Hydrocodone/Acetaminophen125 claims
Oxycodone Hcl/Acetaminophen43 claims
Methylprednisolone27 claims
Tramadol Hcl26 claims
Gabapentin18 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
441
Unique beneficiaries
—
Total services
639
Distinct HCPCS
9
Medicare payment
$107K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 497 Neurosurgery providers in CA — top quintile (cohort median 341).
QUALITY · MIPS · 2024
Final MIPS score
23.5
Quality
0.0
Cost
78.4
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
-6.18%
Individual
REFERRAL NETWORK

Where David Westra'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). 19 inbound referrers · 28 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
COMMUNITY MEMORIAL HEALTH SYSTEM143484
Unilab Corporation
Clinical Laboratory · West Hills, CA
46134
Irwin Grossman
Diagnostic Radiology · Oxnard, CA
41126
DIGNITY HEALTH2570
Christopher Herzig
Diagnostic Radiology · Santa Barbara, CA
2447
Kyu Choi
Diagnostic Radiology · Ventura, CA
2341
Neda Heidari
Neurology · Oxnard, CA
2146
Theodore Hole
Family Practice · Ventura, CA
2047
Sean Freyne
Diagnostic Radiology · Fargo, ND
1943
Jennifer Kosek
Diagnostic Radiology · Santa Barbara, CA
1948
William Deruso
Diagnostic Radiology · Santa Barbara, CA
1735
Dale Kiker
Anesthesiology · Camarillo, CA
1745
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
COMMUNITY MEMORIAL HEALTH SYSTEM95265
Unilab Corporation
Clinical Laboratory · West Hills, CA
52143
Kyu Choi
Diagnostic Radiology · Ventura, CA
41101
Jason Barksdale
Diagnostic Radiology · Santa Barbara, CA
3880
Irwin Grossman
Diagnostic Radiology · Oxnard, CA
3779
Robert Frey
Anesthesiology · Ventura, CA
2472
William Deruso
Diagnostic Radiology · Santa Barbara, CA
2441
Nicholas Hanson
Diagnostic Radiology · Salem, OR
2344
Ivan Hayward
Diagnostic Radiology · Santa Barbara, CA
2357
Neda Heidari
Neurology · Oxnard, CA
1837
DIGNITY HEALTH1734
Theodore Hole
Family Practice · Ventura, CA
1730
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.