NPI age
7 years
Enumerated 2019-05-09
● Active
Type 1 · Individual
DR. Matthew D Parker, MD
Parker is 1 of 24 radiology providers in Round Rock and 1 of 3776 in Texas.
Primary specialty
Radiology
Plus 1 subspecialty
Licensed in
TX, LA
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-12-19
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 3776 active radiology providers in Texas.
NPI age
7 years
↓ 12 yr below median (19 yr)
State licenses
2 states
Top 81% — 18% of peers are multi-state
Subspecialties
0
36% of peers hold subspecialties
NPI lifetime · 2019 → 2026
2019-05Enumerated in NPPES
2019
2026
Where they practice
Practice location
300 University Blvd
Round Rock, TX 786651032
Mailing address
Po Box 844658
Dallas, TX 752844658
Additional practice locations
1 secondary location on file with NPPES.
Location 2
4200 Houma Blvd
Metairie, LA 700062970
Specialties
-
Radiology PrimaryA radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Practice context
Part of a multi-provider practice. 194 other active providers share this practice address in NPPES.
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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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