What is Ernst Schwarz's specialty?

Ernst Schwarz (NPI 1679634984) is a Medicare-billing provider whose primary specialty is Cardiology in Los Angeles, CA.

Where does Ernst Schwarz practice?

Ernst Schwarz practices in Los Angeles, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1679634984.

How much does Medicare pay Ernst Schwarz?

Ernst Schwarz (NPI 1679634984) received approximately $1.3M in total Medicare Part B payments, serving 1,460 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1679634984

Ernst SchwarzM.D.

CardiologyLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,788

Unique beneficiaries

—

Total services

8,644

Distinct HCPCS

Medicare payment

$1.3M

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

5,515

Beneficiaries

—

Total drug cost

$1.0M

Distinct drugs

Brand share

20.6%

Top prescribed drugs

Atorvastatin Calcium728 claims

Losartan Potassium508 claims

Metoprolol Tartrate444 claims

Carvedilol382 claims

Metoprolol Succinate331 claims

QUALITY · MIPS · 2024

Final MIPS score

45.7

Quality

24.2

Cost

89.5

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-3.51%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

REFERRAL NETWORK

Where Ernst Schwarz'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). 48 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
UNIVERSAL HEALTH SERVICES OF RANCHO SPRINGS INC	65	146
Ivor Geft Specialist · Los Angeles, CA	62	664
Elton Tourje Diagnostic Radiology · Los Angeles, CA	60	216
SOUTHERN CALIFORNIA HEALTHCARE SYSTEM, INC	47	141
Reza Arsanjani Cardiology · Scottsdale, AZ	46	88
City Of Los Angeles Ambulance Service Provider · Los Angeles, CA	43	115
Jason Aaronson Diagnostic Radiology · Los Angeles, CA	42	99
Unilab Corporation Clinical Laboratory · West Hills, CA	42	158
Michael Witkosky Diagnostic Radiology · Sacramento, CA	40	141
Willis Wagner Vascular Surgery · Los Angeles, CA	38	99
Dayle Robson Diagnostic Radiology · Los Angeles, CA	36	68
Shamim Shakibai Internal Medicine · West Hollywood, CA	32	320

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events