NPI age
16 years
Enumerated 2009-07-21
● Active
Type 1 · Individual
Issam Marzouk, M.D.
Marzouk is 1 of 8 internal medicine providers in El Paso and 1 of 479 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX, NM
2 states
Status
Active
No deactivations on record
Last NPPES update
2022-07-21
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 479 active internal medicine providers in Texas.
NPI age
16 years
≈ at median (16 yr)
State licenses
2 states
Top 67% — 32% of peers are multi-state
Subspecialties
2
In the 79% of peers with subspecialties
NPI lifetime · 2009 → 2026
2009-07Enumerated in NPPES
2009
2026
Where they practice
Practice location
4305 N Mesa St, Suite A
El Paso, TX 799021123
Mailing address
4305 N Mesa St Ste A
El Paso, TX 799021124
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
9999 Kenworthy St Ste B
El Paso, TX 799244413
Location 3
1865 N Lee Trevino Dr
El Paso, TX 799364111
Specialties
-
Internal Medicine PrimaryAn internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the...
-
Internal MedicineAn internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex...
-
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.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 355967601 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 10 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.