PROVIDER PROFILE · NPI 1548332539

Richard KatzMD

PRACTICEKARL SUN, M.D. INC.See all providers at this practice →

CardiologySan Diego, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,499

Unique beneficiaries

—

Total services

5,127

Distinct HCPCS

Medicare payment

$307K

Peer benchmark

Total Medicare services vs. 1,869 Cardiology providers in CA — top quintile (cohort median 2,371).

PRESCRIBING · PART D · 2024

Total Rx claims

4,018

Beneficiaries

—

Total drug cost

$358K

Distinct drugs

Brand share

13.7%

Top prescribed drugs

Atorvastatin Calcium519 claims

Losartan Potassium270 claims

Metoprolol Tartrate269 claims

Potassium Chloride197 claims

Metoprolol Succinate197 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

89.3

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$359

Payment records

By payment type

Food and Beverage$359

REFERRAL NETWORK

Where Richard Katz'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). 39 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	120	368
ALVARADO HOSPITAL, LLC	100	197
Erik Gilbertson Dermatology · La Mesa, CA	40	78
Scott Brown Urology · La Mesa, CA	40	133
Scott Harman Diagnostic Radiology · San Diego, CA	35	57
Robert Ginsberg Dermatology · San Diego, CA	29	129
Charles Kossman Internal Medicine · San Diego, CA	28	292
REGENTS OF THE UNIVERSITY OF CALIFORNIA	26	120
Ross Schwartzberg Diagnostic Radiology · San Diego, CA	24	37
American Medical Response Ambulance Service, Inc. Ambulance Service Provider · San Diego, CA	24	41
Donald Triolo Podiatry · San Diego, CA	23	70
NPI 1467524454	22	45

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history