What is Jeffrey Breneisen's specialty?

Jeffrey Breneisen (NPI 1629058615) is a Medicare-billing provider whose primary specialty is Cardiology in Fairfield, CA.

Where does Jeffrey Breneisen practice?

Jeffrey Breneisen practices in Fairfield, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1629058615.

How much does Medicare pay Jeffrey Breneisen?

Jeffrey Breneisen (NPI 1629058615) received approximately $366K in total Medicare Part B payments, serving 1,097 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1629058615

Jeffrey BreneisenMD

CardiologyFairfield, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,555

Unique beneficiaries

—

Total services

4,086

Distinct HCPCS

Medicare payment

$336K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

3,349

Beneficiaries

—

Total drug cost

$946K

Distinct drugs

Brand share

26.7%

Top prescribed drugs

Metoprolol Succinate317 claims

Atorvastatin Calcium281 claims

Carvedilol278 claims

Amlodipine Besylate231 claims

Apixaban208 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$3K

Payment records

121

By payment type

Food and Beverage$3K

Top paying entities

Food and Beverage$3K

REFERRAL NETWORK

Where Jeffrey Breneisen'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). 49 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Lewis Weisblum Diagnostic Radiology · Fairfield, CA	114	279
Warren Joseph San Diego Internal Medicine · Fairfield, CA	51	144
Susan Gootnick Diagnostic Radiology · Kentfield, CA	51	84
Shahid Rehman Neurology · Fairfield, CA	50	107
Mary Moreno Family Practice · Fairfield, CA	48	139
Arnold Cruz Emergency Medicine · York, PA	45	91
Pushkar Pandey Internal Medicine · Fairfield, CA	42	164
Sreenivasa Ravuri Critical Care (Intensivists) · Orlando, FL	42	182
James Long Hematology-Oncology · Vacaville, CA	42	174
Kyle Holmes Emergency Medicine · Fairfeild, CA	41	98
Pradeep Hundal Internal Medicine · Providence, RI	37	113
Nghi Lu Diagnostic Radiology · Riverside, CA	37	70

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