NPI age
19 years
Enumerated 2006-06-05
● Active
Type 1 · Individual
Amir Zegar, DO
Zegar is 1 of 915 emergency medicine providers in Houston and 1 of 6039 in Texas.
Primary specialty
Emergency Medicine
Plus 3 subspecialties
Licensed in
TX, MI, AL
3 states
Status
Active
No deactivations on record
Last NPPES update
2016-05-10
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 6039 active emergency medicine providers in Texas.
NPI age
19 years
↑ 4 yr above median (15 yr)
State licenses
3 states
Top 82% — 17% of peers are multi-state
Subspecialties
1
In the 43% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-06Enumerated in NPPES
2006
2026
Where they practice
Practice location
4000 Washington Ave
Houston, TX 770075673
Mailing address
4000 Washington Ave
Houston, TX 770075673
Specialties
-
Emergency Medicine PrimaryAn emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department....
-
Emergency MedicineAn emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 188092405 | |
| 05 (TX) | 188092416 | |
| 05 (TX) | 188092407 |
Multi-state credentialing: Licensed in 3 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 5 other active providers share this practice address in NPPES.
Recently enumerated nearby: 5 new emergency medicine providers have been added in Houston 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.