NPI age
19 years
Enumerated 2006-06-14
● Active
Type 1 · Individual
DR. John Vernon Cox, D.O.
Cox 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
2015-02-23
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1069 active internal medicine providers in Texas.
NPI age
19 years
≈ at median (18 yr)
State licenses
1 state
22% of peers hold multiple states
Subspecialties
2
In the 52% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-06Enumerated in NPPES
2006
2026
Where they practice
Practice location
5323 Harry Hines Boulevard
Dallas, TX 753907208
Mailing address
P.o. Box 845347
Dallas, TX 752845347
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 MedicineAn internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and...
-
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) | 136819305 | |
| 01 (TX) | 8R1419 | BLUE CROSS OF TEXAS |
| 05 (TX) | 136819302 | |
| 05 (TX) | 136819303 | |
| 05 (TX) | 136819308 | |
| 05 (TX) | 136819301 |
Practice context
Part of a multi-provider practice. 229 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 →
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