Doctor profile · Federal record

Dr. Chockalingam Narayanan, M.D.

Clinical Cardiac Electrophysiology Physician (CMS: Cardiac Electrophysiology) · Clinical Cardiac Electrophysiology Physician · Galveston, TX

  • NPI 1508276296
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1005 Harborside Dr 6Th Fl
Galveston, TX 775551501
(409) 772-2328
Mailing address
Po Box 650859, Dept 710
Dallas, TX 752651501

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
March 20, 2026
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RC0001X — NUCC code
State licenses (2)
Texas #48808 · Texas #47721

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508276296. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
972
Distinct HCPCS
10
Medicare allowed
$89,798
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 229 155 $96
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days 151 52 $26
93280 Programming of dual lead pacemaker system 98 70 $37
99204 New patient office or other outpatient visit, 45-59 minutes 64 64 $132
99215 Established patient office or other outpatient visit, 40-54 minutes 63 58 $142
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 63 61 $172
93284 Programming of multiple lead implantable defibrillator system 40 28 $61
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 36 33 $30
93291 Evaluation of cardiac rhythm monitor system 34 28 $18
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 34 29 $36

In context: peer comparison

Among 2 peers in Galveston Clinical Cardiac Electrophysiology Physician, average services per provider: 53. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$7,790
Transactions
101
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 79 $6,974.54
Abbott Laboratories 5 $493.34
Biosense Webster, INC. 16 $305.53
Pfizer INC. 1 $16.56

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$3,900
Travel and Lodging
$1,975
Food and Beverage
$1,914

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
363
Patients
124
Total drug cost
$110,887
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 136 45 $106,250
Metoprolol Succinate Generic 60 27 $1,084
Metoprolol Tartrate Generic 38 22 $685
Amlodipine Besylate Generic 37 11 $237
Amiodarone Hcl Generic 25 19 $1,249
Flecainide Acetate Generic 22 0 $978
Atorvastatin Calcium Generic 20 0 $148
Carvedilol Generic 14 0 $146
Lisinopril Generic 11 0 $109

Frequently asked questions

Auto-generated from federal data
What is Dr. Chockalingam Narayanan's medical specialty?
Dr. Chockalingam Narayanan practices Clinical Cardiac Electrophysiology Physician in Galveston, TX.
Where does Dr. Chockalingam Narayanan practice?
Dr. Chockalingam Narayanan practices at 1005 Harborside Dr 6Th Fl, Galveston, TX 775551501. Office phone: 4097722328.
What is Dr. Chockalingam Narayanan's NPI?
Dr. Chockalingam Narayanan's National Provider Identifier (NPI) is 1508276296, issued by NPPES.
Does Dr. Chockalingam Narayanan accept Medicare assignment?
Yes. Dr. Chockalingam Narayanan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chockalingam Narayanan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Evaluation of cardiac rhythm monitor system, remote up to 30 days (HCPCS 93298); Programming of dual lead pacemaker system (HCPCS 93280). Source: CMS Medicare Physician & Other Practitioners file.