NPI age
9 years
Enumerated 2017-04-27
● Active
Type 1 · Individual
DR. Mariam El-Ashmawy, MD, PHD
El-Ashmawy is 1 of 135 internal medicine providers in Dallas and 1 of 1069 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2026-03-09
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
9 years
↓ 9 yr below median (18 yr)
State licenses
1 state
22% of peers hold multiple states
Subspecialties
0
52% of peers hold subspecialties
NPI lifetime · 2017 → 2026
2017-04Enumerated in NPPES
2017
2026
Where they practice
Practice location
6202 Harry Hines Blvd
Dallas, TX 75235
Mailing address
Po Box 845347
Dallas, TX 752847208
Additional practice locations
1 secondary location on file with NPPES.
Location 2
161 Fort Washington Ave
New York, NY 100323729
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...
Practice context
Part of a multi-provider practice. 38 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.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.