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PROVIDER PROFILE · NPI 1235131061

Karl SunMD

CardiologyLa Mesa, CAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 053124
Home health agency
CCN 050026
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
1,713
Beneficiaries
—
Total drug cost
$236K
Distinct drugs
43
Brand share
22.7%
Top prescribed drugs
Amlodipine Besylate183 claims
Apixaban123 claims
Losartan Potassium107 claims
Metoprolol Succinate98 claims
Diltiazem Hcl94 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,267
Unique beneficiaries
—
Total services
4,403
Distinct HCPCS
22
Medicare payment
$278K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,869 Cardiology providers in CA — above median (cohort median 2,371).
QUALITY · MIPS · 2024
Final MIPS score
100.0
Quality
100.0
Cost
73.6
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
1.05%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$451
Payment records
26
By payment type
Food and Beverage$451
Top paying entities
Food and Beverage$451
REFERRAL NETWORK

Where Karl Sun'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). 53 inbound referrers · 113 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ALVARADO HOSPITAL, LLC138217
Unilab Corporation
Clinical Laboratory · West Hills, CA
65140
American Medical Response Ambulance Service, Inc.
Ambulance Service Provider · San Diego, CA
6297
Scott Harman
Diagnostic Radiology · San Diego, CA
5895
Scott Musicant
Vascular Surgery · La Mesa, CA
5186
John Lubisich
Diagnostic Radiology · San Diego, CA
48101
HEARTLAND PARAMEDICS-CSA 69 COUNTY SERVICE AREA 69 EMS3966
Alan Lurie
Diagnostic Radiology · San Diego, CA
3974
Dimitri Sherev
Cardiology · El Cajon, CA
39215
CITY OF EL CAJON3667
Michael Naumann
Diagnostic Radiology · Temple, TX
2869
Michael Michalski
Cardiology · La Mesa, CA
26112
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
GROSSMONT HOSPITAL CORPORATION258788
Kevin Rapeport
Cardiac Surgery · La Mesa, CA
107324
ALVARADO HOSPITAL, LLC94128
Jon Ellison
Diagnostic Radiology · La Mesa, CA
79209
Unilab Corporation
Clinical Laboratory · West Hills, CA
66134
TROUT, TERE63135
Phillip Reich
Diagnostic Radiology · San Diego, CA
61184
Harry Ellison
Diagnostic Radiology · La Mesa, CA
61118
BALBOA AMBULANCE INC.58110
RAPOPORT, STANLEY49118
AMERICAN MEDICAL RESPONSE OF SAN DIEGO, INC.4993
Ryan Viets
Diagnostic Radiology · La Mesa, CA
49135
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.