NPI age
3 years
Enumerated 2022-08-25
● Active
Type 1 · Individual
DR. Michael Denis O'Sullivan JR., MD
O'Sullivan is 1 of 12 orthopaedic surgery providers in Dallas and 1 of 109 in Texas.
Primary specialty
Orthopaedic Surgery
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2022-08-25
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 109 active orthopaedic surgery providers in Texas.
NPI age
3 years
↓ 14 yr below median (17 yr)
State licenses
1 state
27% of peers hold multiple states
Subspecialties
0
64% of peers hold subspecialties
NPI lifetime · 2022 → 2026
2022-08Enumerated in NPPES
2022
2026
Where they practice
Practice location
2222 Welborn St
Dallas, TX 752193924
Mailing address
4123 Cedar Springs Rd Apt 2332
Dallas, TX 752193550
Additional practice locations
1 secondary location on file with NPPES.
Location 2
1935 Medical District, Children'S Medical Center Dallas
Dallas, TX 75235
Specialties
-
Orthopaedic Surgery PrimaryAn orthopedic surgeon who has additional training and experience in diagnosing, treating and managing musculoskeletal problems in infants, children and adolescents. These may include limb and spine deformities (such as club foot,...
Practice context
Part of a multi-provider practice. 197 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new orthopaedic surgery provider has been added in Dallas in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
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