Doctor profile · Federal record

Dr. Ramesh Hariharan, MD, Fhrs

Clinical Cardiac Electrophysiology Physician (CMS: Cardiac Electrophysiology) · Internal Medicine Physician · Houston, TX

  • NPI 1770509168
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
6400 Fannin St Ste 2550
Houston, TX 770301538
(713) 486-1625
fax (713) 486-1631
Additional location
10450 Spring Green Blvd Ste B
Katy, TX 774945909
(713) 486-1545
fax (713) 984-8539
Additional location
613 Elizabeth St Ste 502
Corpus Christi, TX 784042224
(361) 861-1890
fax (361) 861-1894
Show 2 more locations
Additional location
9180 Pinecroft Dr Ste 420
Shenandoah, TX 773803880
(713) 486-1550
fax (713) 486-1575
Additional location
925 Gessner RD Ste 540
Houston, TX 770242552
(713) 486-2400
fax (713) 984-8539

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
September 22, 2022
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207RC0001X — NUCC code
State license (1)
Texas #K1833
Medicaid
TX #162056909

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770509168. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12,209
Distinct HCPCS
10
Medicare allowed
$501,841
HCPCS Description Services Patients Avg allowed
93297 Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days 2,920 378 $25
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 2,691 465 $36
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 2,145 924 $21
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 1,842 658 $29
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 1,054 373 $36
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days 675 104 $25
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 218 182 $14
99214 Established patient office or other outpatient visit, 30-39 minutes 135 117 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 67 66 $90
93656 Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation 46 46 $961

In context: peer comparison

Among 19 peers in this city , average services per provider: 144. This provider delivers 85× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$6,346
Transactions
119
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 55 $3,232.61
Biosense Webster, Inc. 29 $1,261.02
Boston Scientific Corporation 16 $858.07
Impulse Dynamics (USA) Inc. 5 $484.85
Medtronic, Inc. 5 $276.50
E.R. Squibb & Sons, L.L.C. 3 $68.38
Cook Medical LLC 1 $67.50
Baxter Healthcare 1 $36.59
Alnylam Pharmaceuticals Inc. 1 $23.43
iRhythm Technologies, Inc. 1 $17.10
Merck Sharp & Dohme LLC 1 $15.87
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 1 $4.06

By nature of payment

Food and Beverage
$4,880
Travel and Lodging
$1,118
Education
$348

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
894
Patients
382
Total drug cost
$219,619
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 150 60 $4,505
Eliquis (Apixaban) Brand 126 42 $141,505
Flecainide Acetate Generic 114 49 $8,666
Carvedilol Generic 74 29 $1,210
Sotalol (Sotalol Hcl) Brand 73 34 $2,217
Amiodarone Hcl Generic 50 27 $2,691
Losartan Potassium Generic 43 15 $791
Lisinopril Generic 37 13 $613
Atorvastatin Calcium Generic 36 11 $553
Spironolactone Generic 35 17 $294

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ramesh Hariharan's medical specialty?
Dr. Ramesh Hariharan practices Clinical Cardiac Electrophysiology Physician in Houston, TX.
Where does Dr. Ramesh Hariharan practice?
Dr. Ramesh Hariharan practices at 6400 Fannin St Ste 2550, Houston, TX 770301538. Office phone: 7134861625.
What is Dr. Ramesh Hariharan's NPI?
Dr. Ramesh Hariharan's National Provider Identifier (NPI) is 1770509168, issued by NPPES.
Does Dr. Ramesh Hariharan accept Medicare assignment?
Yes. Dr. Ramesh Hariharan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ramesh Hariharan commonly perform?
Top Medicare-reported procedures in 2023: Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days (HCPCS 93297); 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); Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (HCPCS 93296). Source: CMS Medicare Physician & Other Practitioners file.