Doctor profile · Federal record

Dr. Jeffrey Breneisen, MD

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Fairfield, CA

  • NPI 1629058615
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1860 Pennsylvania Ave, Suite 120
Fairfield, CA 945333590
(707) 646-4400
fax (707) 646-4401

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
July 31, 2015
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
California #G86677
Medicaid
CA #00G866770

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629058615. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,855
Distinct HCPCS
10
Medicare allowed
$384,418
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 987 504 $145
93297 Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days 501 92 $28
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 331 299 $234
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 315 306 $75
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 279 94 $29
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 221 186 $17
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 215 70 $32
93280 Programming of dual lead pacemaker system 144 66 $95
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 111 103 $188
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days 109 23 $28

In context: peer comparison

Among 2 peers in Fairfield Cardiovascular Disease Physician, average services per provider: 155. This provider delivers 25× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,426
Transactions
121
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Inari Medical, INC. 12 $410.43
Actelion Pharmaceuticals US, INC. 8 $353.73
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 15 $298.92
Amgen INC. 10 $243.80
Novartis Pharmaceuticals Corporation 11 $215.74
E.R. Squibb & Sons, L.L.C. 19 $213.33
Biotronik INC. 8 $185.70
Merck Sharp & Dohme LLC 6 $165.23
AstraZeneca Pharmaceuticals Lp 7 $136.03
Abbott Laboratories 3 $135.33
Janssen Pharmaceuticals, INC 7 $107.20
Esperion Therapeutics, INC. 5 $100.58
Biosense Webster, INC. 2 $80.23
Bayer Healthcare Pharmaceuticals INC. 4 $75.59
Philips North America LLC 4 $63.83

By nature of payment

Food and Beverage
$3,341
Education
$85

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,071
Patients
679
Total drug cost
$405,672
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 279 92 $7,571
Atorvastatin Calcium Generic 248 79 $5,291
Carvedilol Generic 229 76 $3,938
Amlodipine Besylate Generic 210 67 $2,814
Eliquis (Apixaban) Brand 175 54 $274,403
Lisinopril Generic 147 55 $2,231
Furosemide Generic 119 39 $996
Rosuvastatin Calcium Generic 94 30 $1,883
Valsartan Generic 92 32 $3,971
Ezetimibe Generic 86 28 $5,458

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Breneisen's medical specialty?
Dr. Jeffrey Breneisen practices Cardiovascular Disease Physician in Fairfield, CA.
Where does Dr. Jeffrey Breneisen practice?
Dr. Jeffrey Breneisen practices at 1860 Pennsylvania Ave, Fairfield, CA 945333590. Office phone: 7076464400.
What is Dr. Jeffrey Breneisen's NPI?
Dr. Jeffrey Breneisen's National Provider Identifier (NPI) is 1629058615, issued by NPPES.
Does Dr. Jeffrey Breneisen accept Medicare assignment?
Yes. Dr. Jeffrey Breneisen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Breneisen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days (HCPCS 93297); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.