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

Matheau Antoine Julien, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1619189933

Matheau Antoine Julien, MD is a Thoracic Surgery in Round Rock, Texas. Graduated from Emory University School of Medicine in 2006, 20 years ago. Practices with Winchester Medical Center, a 312-clinician group, works from 7 locations and accepts Medicare assignment. Licensed in Illinois, Michigan, North Dakota and Texas and 1 more.

Years since qualifying
20
Trained at
Emory University School of Medicine
Licensed in
IL, MI, ND, TX, VA
In the registry since
2007
Specialties on file
5
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

300 University Blvd
Round Rock, TX 78665-1032
Phone: (515) 509-0100
Fax: (512) 218-6330
Show map & directions

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

Additional practice locations (6)

  • 263 Farmington Ave, Farmington, CT 06030-8063 — (860) 679-8080
  • 305 W Jackson St Ste 206, Carbondale, IL 62901-1474 — (618) 457-3006
  • 251 E Huron St, Chicago, IL 60611-2908 — (312) 926-6512
  • 22060 Beech St Ste 300, Dearborn, MI 48124-2847 — (313) 228-0230
  • 600 Gresham Dr Ste 8600, Norfolk, VA 23507-1904 — (757) 388-6006
  • 525 Lilly Rd Ne Ste 200, Olympia, WA 98506-5101 — (360) 493-4510

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence U9422 (TX)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 0101274262 (VA)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 036139510 (IL)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 4301517340 (MI)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 17695 (ND)

Record details

NPI number1619189933
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 7, 2007
Last updated in NPPESJuly 15, 2026
Certification dateJuly 15, 2026

Medicare enrollment

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

Medicare specialtyTHORACIC SURGERY
Medical schoolEMORY UNIVERSITY SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Winchester Medical Center — 312 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations8 on file with Medicare

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