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 1285620658

David RuckmanM.D.

Internal MedicineFullerton, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

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

Hospital & Facility Affiliations (8)

CCN 057600
Home health agency
CCN 058238
Home health agency
CCN 553107
Home health agency
CCN 557718
Home health agency
CCN 559168
Home health agency
CCN 050069
Hospital
CCN 050168
Hospital
CCN 050224
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
726
Unique beneficiaries
—
Total services
1,488
Distinct HCPCS
9
Medicare payment
$130K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
11,488
Beneficiaries
—
Total drug cost
$734K
Distinct drugs
163
Brand share
17.3%
Top prescribed drugs
Atorvastatin Calcium798 claims
Amlodipine Besylate620 claims
Levothyroxine Sodium503 claims
Losartan Potassium490 claims
Pantoprazole Sodium319 claims
REFERRAL NETWORK

Where David Ruckman'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). 22 inbound referrers · 43 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Victor Lee
Pathology · Oceanside, CA
3431,469
ST JUDE HOSPITAL INC209841
UNGER, PHILLIP3777
Danh Nguyen
Diagnostic Radiology · Riverside, CA
35120
STAMBUK, EDGAR3062
Ramesh Rathod
Interventional Cardiology · Fullerton, CA
2860
Bradley Jackson
Diagnostic Radiology · Fullerton, CA
2683
Eugene Byun
Cardiology · Fullerton, CA
24116
Hao Ngo
Diagnostic Radiology · Fullerton, CA
2244
Samuel Maxwell
Diagnostic Radiology · Fullerton, CA
2046
Charles Suh
Interventional Cardiology · Fullerton, CA
2048
Arman Forouzannia
Diagnostic Radiology · Lynnwood, WA
2037
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Victor Lee
Pathology · Oceanside, CA
176742
ST JUDE HOSPITAL INC172594
Bradford Silveira
Diagnostic Radiology · Fullerton, CA
3684
Jeffrey Dell
Internal Medicine · Fullerton, CA
35107
Falck Mobile Health Corp
Ambulance Service Provider · Orange, CA
34139
Robert Morten
Diagnostic Radiology · Fullerton, CA
3180
ST JUDE HOSPITAL INC2982
Jayshree Sampat
Diagnostic Radiology · Fullerton, CA
2871
Harry Peled
Cardiology · Los Angeles, CA
28115
DOI, LESLIE2764
Danh Nguyen
Diagnostic Radiology · Riverside, CA
2765
Edward Lee
Interventional Cardiology · Fullerton, CA
2685
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.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$64
Payment records
3
By payment type
Food and Beverage$64