NPI age
13 years
Enumerated 2012-07-27
● Active
Type 1 · Individual
DR. Nasser Dean Askari, D.O.
Askari is 1 of 46 internal medicine providers in Mansfield and 1 of 12343 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-04-29
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 12343 active internal medicine providers in Texas.
NPI age
13 years
↓ 4 yr below median (17 yr)
State licenses
1 state
12% of peers hold multiple states
Subspecialties
1
In the 33% of peers with subspecialties
NPI lifetime · 2012 → 2026
2012-07Enumerated in NPPES
2012
2026
Where they practice
Practice location
1001 Matlock Rd Ste 101
Mansfield, TX 760636564
Mailing address
1001 Matlock Rd Ste 101
Mansfield, TX 760636564
Additional practice locations
1 secondary location on file with NPPES.
Location 2
6750 N MacArthur Blvd, Suite 150
Irving, TX 750392875
Specialties
-
Internal Medicine PrimaryA 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,...
-
PediatricsA pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 363358802 | |
| 05 (TX) | 363358803 |
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
Recently enumerated nearby: 1 new internal medicine provider has been added in Mansfield 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.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.