Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Michael Denis O'Sullivan Jr., MD

Individual provider Pediatric Orthopaedic Surgery Physician · NPI 1124747860

Dr. Michael Denis O'Sullivan Jr., MD is a Pediatric Orthopaedic Surgery Physician in Dallas, Texas. Works from 2 locations. Licensed in Texas.

Licensed in
TX
In the registry since
2022
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2222 Welborn St
Dallas, TX 75219-3924
Phone: (214) 559-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1935 Medical District, Dallas, TX 75235 — (214) 456-7000

Specialties & licences

Pediatric Orthopaedic Surgery Physician (primary) Taxonomy 207XP3100X · Licence BP10081974 (TX)

Record details

NPI number1124747860
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 25, 2022
Last updated in NPPESAugust 25, 2022
Certification dateAugust 19, 2022

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