P Praxis·MD
● Active Type 1 · Individual

Shehzad N Merwat, M.D.

Internal Medicine·Houston, TX· NPI 1891700597 · Enumerated 2006 · 19 years on NPI
Merwat is 1 of 338 internal medicine providers in Houston and 1 of 1807 in Texas.
NPI age
19 years
Enumerated 2006-07-30
Primary specialty
Internal Medicine
Plus 4 subspecialties
Licensed in
NH, IN, TX
3 states
Status
Active
No deactivations on record
Last NPPES update
2025-11-03
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
3 states
Top 83% — 17% of peers are multi-state
Subspecialties
2
In the 35% of peers with subspecialties

NPI lifetime · 2006 → 2026

2006-07Enumerated in NPPES
2006 2026

Where they practice

Practice location
6400 Fannin St Ste 1400
Houston, TX 770301512
📞 7137043450
Mailing address
6400 Fannin St Ste 1400
Houston, TX 770301512
📞 7137043450

Additional practice locations

2 secondary locations on file with NPPES.

Location 2
11104 Parkview Circle Dr Ste 310
Fort Wayne, IN 468451733
📞 2602665230fax 2604585972
Location 3
580 Court St
Keene, NH 034311718
📞 6033455400

Specialties

  • Internal Medicine Primary
    An 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...
    NH license #38549IN license #01097609ATX license #M6291 taxonomy 207RG0100X
  • Internal Medicine
    An internist with special knowledge and the skill required of a gastroenterologist to care for patients prior to and following hepatic transplantation that spans all phases of liver transplantation. Selection of appropriate recipients...
    TX license #M6291 taxonomy 207RT0003X
  • Internal Medicine
    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
    TX license #M6291 taxonomy 207R00000X

Practice context

Part of a multi-provider practice. 15 other active providers share this practice address in NPPES.

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How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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