P Praxis·MD
● Active Type 2 · Organization

Warren W. Simi, M.d., P.A.

Internal Medicine·Houston, TX· NPI 1528242898 · Enumerated 2007 · 18 years on NPI
Warren W. Simi, M.d., P.A. is 1 of 1318 internal medicine organizations in Texas.
NPI age
18 years
Enumerated 2007-12-21
Primary specialty
Internal Medicine
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Simi
President/owner
Last NPPES update
2007-12-21
Source: monthly bulk 2026-05

How this organization compares

Across 1318 active internal medicine providers in Texas.

NPI age
18 years
≈ at median (18 yr)
Practice locations
1
0 secondary on file
Subspecialties
0

NPI lifetime · 2007 → 2026

2007-12Enumerated in NPPES
2007 2026

Where they practice

Primary practice location
4126 Southwest Fwy, Suite 400
Houston, TX 770277310
📞 7134791100fax 7136226910
Mailing address
4126 Southwest Fwy, Suite 400
Houston, TX 770277310
📞 7134791100fax 7136226910

Authorized official

Warren William Simi, M. D.
President/owner
📞 7134791100

Individual providers at this organization

15 individual providers on file at this primary practice address.

Specialties

  • Internal Medicine Primary
    An 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...
    TX license #D9661 taxonomy 207RP1001X

Practice context

Multi-provider organization. 15 individual providers on file at this primary address.

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How to verify this organization

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Verify the organization is in good standing.Cross-check with the state's business registration and any applicable licensing boards.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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