NPI age
12 years
Enumerated 2014-03-28
● Active
Type 1 · Individual
Michael Cyrus Siah
Siah is 1 of 66 surgery providers in Dallas and 1 of 489 in Texas.
Primary specialty
Surgery
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2019-08-19
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 489 active surgery providers in Texas.
NPI age
12 years
↓ 5 yr below median (17 yr)
State licenses
1 state
16% of peers hold multiple states
Subspecialties
1
In the 49% of peers with subspecialties
NPI lifetime · 2014 → 2026
2014-03Enumerated in NPPES
2014
2026
Where they practice
Practice location
5201 Harry Hines Blvd
Dallas, TX 752357708
Mailing address
110 Irving St Nw, Vascular Surgery
Washington, DC 200103017
Specialties
-
Surgery PrimaryA surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
-
Student in an Organized Health Care Education/Training ProgramAn individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Practice context
Part of a multi-provider practice. 589 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.