NPI age
10 years
Enumerated 2016-03-23
● Active
Type 1 · Individual
DR. Robert Carson Sibley III, MD
Sibley is 1 of 13 nuclear medicine providers in Dallas and 1 of 56 in Texas.
Primary specialty
Nuclear Medicine
Plus 2 subspecialties
Licensed in
TX, CA
2 states
Status
Active
No deactivations on record
Last NPPES update
2024-05-01
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 56 active nuclear medicine providers in Texas.
NPI age
10 years
↓ 9 yr below median (19 yr)
State licenses
2 states
Top 78% — 21% of peers are multi-state
Subspecialties
1
In the 51% of peers with subspecialties
NPI lifetime · 2016 → 2026
2016-03Enumerated in NPPES
2016
2026
Where they practice
Practice location
5323 Harry Hines Blvd
Dallas, TX 753907201
Mailing address
Po Box 845347
Dallas, TX 752845347
Additional practice locations
1 secondary location on file with NPPES.
Location 2
6201 Harry Hines Blvd
Dallas, TX 753909201
Specialties
-
Nuclear Medicine PrimaryA nuclear medicine specialist employs the properties of radioactive atoms and molecules in the diagnosis and treatment of disease and in research. Radiation detection and imaging instrument systems are used to detect disease as it...
-
RadiologyA radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Practice context
Part of a multi-provider practice. 4085 other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 56 Nuclear Medicine providers in Texas?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
Request a quote →How to verify this provider
- 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.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.