NPI age
19 years
Enumerated 2006-06-29
● Active
Type 1 · Individual
Nizar N Ramzan, M.D.,
Ramzan is 1 of 338 internal medicine providers in Houston and 1 of 1807 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX, AZ
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-03-24
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1807 active internal medicine providers in Texas.
NPI age
19 years
≈ at median (19 yr)
State licenses
2 states
Top 83% — 17% of peers are multi-state
Subspecialties
0
35% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-06Enumerated in NPPES
2006
2026
Where they practice
Practice location
1504 Taub Loop
Houston, TX 770301608
Mailing address
1504 Taub Loop
Houston, TX 770301608
Additional practice locations
1 secondary location on file with NPPES.
Location 2
8761 E Bell Rd, Suite 105
Scottsdale, AZ 852601315
Specialties
-
Internal Medicine PrimaryAn internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and...
Practice context
Part of a multi-provider practice. 995 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.
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