NPI age
11 years
Enumerated 2015-05-14
● Active
Type 1 · Individual
DR. Antoinette Matthews, M.D.
Matthews is 1 of 135 internal medicine providers in Dallas and 1 of 1069 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2022-05-10
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 1069 active internal medicine providers in Texas.
NPI age
11 years
↓ 7 yr below median (18 yr)
State licenses
1 state
22% of peers hold multiple states
Subspecialties
1
In the 52% of peers with subspecialties
NPI lifetime · 2015 → 2026
2015-05Enumerated in NPPES
2015
2026
Where they practice
Practice location
3410 Worth Street, Suite 400
Dallas, TX 75246
Mailing address
Po Box 911230
Dallas, TX 753911230
Additional practice locations
1 secondary location on file with NPPES.
Location 2
3501 Junius Street
Dallas, TX 75246
Specialties
-
Internal Medicine PrimaryAn internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine...
-
Internal MedicineA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 426382401 |
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
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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.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.