Doctor profile · Federal record

Dr. Justin Arunthamakun, M.D

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

  • NPI 1679936074
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
5236 W University Dr Ste 4900
McKinney, TX 750718185
(972) 860-8679
Additional location
1 Baylor Plz
Houston, TX 770303411
(713) 798-5588
Additional location
8414 Naab RD
Indianapolis, IN 462601972
(317) 338-7770
Mailing address
8414 Naab RD
Indianapolis, IN 462601972

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
September 8, 2025
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RC0001X — NUCC code
State licenses (3)
Texas #R4809 · Texas #BP10056212 · Indiana #01087599A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679936074. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$10,134
Transactions
90
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 51 $6,133.50
Medical Device Business Services, Inc. 10 $1,524.51
Abbott Laboratories 9 $1,359.77
Boston Scientific Corporation 8 $686.22
Biosense Webster, Inc. 5 $319.31
Novartis Pharmaceuticals Corporation 7 $111.15

By nature of payment

Travel and Lodging
$5,632
Food and Beverage
$4,207
Education
$295

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
0
Total drug cost
$9,556
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 14 0 $9,556

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Justin Arunthamakun's medical specialty?
Dr. Justin Arunthamakun practices Clinical Cardiac Electrophysiology Physician in McKinney, TX.
Where does Dr. Justin Arunthamakun practice?
Dr. Justin Arunthamakun practices at 5236 W University Dr Ste 4900, McKinney, TX 750718185. Office phone: 9728608679.
What is Dr. Justin Arunthamakun's NPI?
Dr. Justin Arunthamakun's National Provider Identifier (NPI) is 1679936074, issued by NPPES.
Does Dr. Justin Arunthamakun accept Medicare assignment?
Yes. Dr. Justin Arunthamakun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.