Doctor profile · Federal record

Dr. Robert Drennan, MD

Clinical Cardiac Electrophysiology Physician (CMS: Cardiac Electrophysiology) · Baton Rouge, LA

  • NPI 1538336177
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8401 Picardy Ave
Baton Rouge, LA 708093685
(225) 308-0247
fax (225) 308-0248
Mailing address
Po Box 4176
Houma, LA 703614176

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
August 31, 2016
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RC0001X — NUCC code
State license (1)
Louisiana #204133
Medicaid
LA #1040720

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538336177. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,132
Distinct HCPCS
10
Medicare allowed
$157,364
HCPCS Description Services Patients Avg allowed
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 332 167 $20
99214 Established patient office or other outpatient visit, 30-39 minutes 290 148 $119
G2066 Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec 228 69 $33
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days 224 68 $25
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 208 107 $28
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 173 121 $13
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 130 64 $34
J2785 Injection, regadenoson, 0.1 mg 76 19 $57
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 48 25 $106
93280 Programming of dual lead pacemaker system 34 32 $73

In context: peer comparison

Among 5 peers in this city , average services per provider: 108. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$5,069
Transactions
78
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 45 $2,612.70
Boston Scientific Corporation 12 $1,866.59
Medtronic, Inc. 1 $122.56
PFIZER INC. 4 $66.38
AngioDynamics, Inc. 1 $59.71
CARDIVA MEDICAL, INC. 2 $48.74
E.R. Squibb & Sons, L.L.C. 3 $45.54
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 2 $38.75
Edwards Lifesciences Corporation 1 $37.40
Alnylam Pharmaceuticals Inc. 1 $28.93
Itamar Medical Inc 2 $25.68
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $21.43
Kiniksa Pharmaceuticals International, plc 1 $20.88
ATRICURE, INC. 1 $20.28
SCPHARMACEUTICALS INC. 1 $19.31

By nature of payment

Travel and Lodging
$2,729
Food and Beverage
$2,339

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,095
Patients
661
Total drug cost
$486,746
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 345 84 $329,078
Metoprolol Succinate Generic 244 82 $3,944
Atorvastatin Calcium Generic 165 66 $2,148
Rosuvastatin Calcium Generic 154 45 $2,039
Amlodipine Besylate Generic 151 46 $863
Furosemide Generic 144 50 $659
Amiodarone Hcl Generic 135 41 $4,285
Sotalol (Sotalol Hcl) Brand 126 35 $2,380
Entresto (Sacubitril/Valsartan) Brand 125 32 $135,501
Metoprolol Tartrate Generic 119 45 $573

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Drennan's medical specialty?
Dr. Robert Drennan practices Clinical Cardiac Electrophysiology Physician in Baton Rouge, LA.
Where does Dr. Robert Drennan practice?
Dr. Robert Drennan practices at 8401 Picardy Ave, Baton Rouge, LA 708093685. Office phone: 2253080247.
What is Dr. Robert Drennan's NPI?
Dr. Robert Drennan's National Provider Identifier (NPI) is 1538336177, issued by NPPES.
Does Dr. Robert Drennan accept Medicare assignment?
Yes. Dr. Robert Drennan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Drennan commonly perform?
Top Medicare-reported procedures in 2023: Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (HCPCS 93296); Established patient office or other outpatient visit (HCPCS 99214); Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec (HCPCS G2066). Source: CMS Medicare Physician & Other Practitioners file.