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 1194829184

Gordon GunnMD

Obstetrics & GynecologyFullerton, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 050168
Hospital
CCN 050224
Hospital
CCN 050348
Hospital
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
1,276
Beneficiaries
—
Total drug cost
$229K
Distinct drugs
29
Brand share
40.0%
Top prescribed drugs
Ezetimibe166 claims
Rosuvastatin Calcium154 claims
Levothyroxine Sodium100 claims
Empagliflozin80 claims
Progesterone, Micronized73 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
367
Unique beneficiaries
—
Total services
576
Distinct HCPCS
9
Medicare payment
$65K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,761 Obstetrics & Gynecology providers in CA — top quintile (cohort median 118).
REFERRAL NETWORK

Where Gordon Gunn'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). 7 inbound referrers · 12 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ST JUDE HOSPITAL INC78165
Victor Lee
Pathology · Oceanside, CA
3681
UNGER, PHILLIP2533
Unilab Corporation
Clinical Laboratory · West Hills, CA
2251
Bioreference Health, Llc
Clinical Laboratory · Elmwood Park, NJ
1745
Samuel Maxwell
Diagnostic Radiology · Fullerton, CA
1428
Patrick Dahl
Dermatology · Fullerton, CA
1236
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Laboratory Corporation Of America
Clinical Laboratory · Monrovia, CA
155239
ST JUDE HOSPITAL INC119298
Boston Heart Diagnostics Corporation
Clinical Laboratory · Framingham, MA
83489
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
67252
Victor Lee
Pathology · Oceanside, CA
3398
Bradford Silveira
Diagnostic Radiology · Fullerton, CA
3260
Samuel Maxwell
Diagnostic Radiology · Fullerton, CA
2861
Unilab Corporation
Clinical Laboratory · West Hills, CA
1938
Yeeshun Miao
Gastroenterology · Fullerton, CA
1756
Consolidated Medical Bio-Analysis Inc
Clinical Laboratory · Cypress, CA
1627
SUGARMAN, MICHAEL1223
UNIVERSITY OF CALIFORNIA IRVINE1114
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.