Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Justin Arunthamakun, MD

Individual provider Internal Medicine Physician · NPI 1679936074

Dr. Justin Arunthamakun, MD is a Cardiac Electrophysiology in McKinney, Texas. Graduated from University of Tennessee, Hsc, College of Medicine in 2016, 10 years ago. Practices with Healthtexas Provider Network, a 2,539-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Indiana and Texas.

Years since qualifying
10
Trained at
University of Tennessee, Hsc, College of Medicine
Licensed in
IN, TX
In the registry since
2016
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

5236 W University Dr Ste 4900
McKinney, TX 75071-8185
Phone: (972) 860-8679
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 8414 Naab Rd, Indianapolis, IN 46260-1972 — (317) 338-7770
  • 1 Baylor Plz, Houston, TX 77030-3411 — (713) 798-5588

Specialties & licences

Clinical Cardiac Electrophysiology Physician (primary) Taxonomy 207RC0001X · Licence R4809 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence BP10056212 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence 01087599A (IN)

Record details

NPI number1679936074
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 1, 2016
Last updated in NPPESSeptember 8, 2025
Certification dateSeptember 8, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIAC ELECTROPHYSIOLOGY
Medical schoolUNIVERSITY OF TENNESSEE, HSC, COLLEGE OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice Healthtexas Provider Network — 2539 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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