Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Louis Diab, MD

Individual provider Internal Medicine Physician · NPI 1578092474

Louis Diab, MD is a Hospitalist in Sugar Land, Texas. Graduated from University of Texas Medical Branch at Galveston in 2017, 9 years ago. Practices with Kelsey-Seybold Medical Group, PLLC, a 942-clinician group, works from 6 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
9
Trained at
University of Texas Medical Branch at Galveston
Licensed in
TX
In the registry since
2017
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

16811 SW Fwy Ste 300
Sugar Land, TX 77479-4728
Phone: (281) 276-0836
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (5)

  • 2002 Holcombe Blvd, Houston, TX 77030-4211 — (713) 791-1414
  • 1504 Ben Taub Loop, Houston, TX 77030 — (713) 873-2000
  • 6620 Main St, Houston, TX 77030-2348 — (713) 798-2450
  • 7200 Cambridge St, Houston, TX 77030-4202 — (713) 785-8537
  • 11555 University Blvd, Sugar Land, TX 77478-3889 — (713) 442-9100

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence S7037 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence S7037 (TX)

Record details

NPI number1578092474
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2017
Last updated in NPPESMay 20, 2025
Certification dateMay 20, 2025
Mailing address11511 Shadow Creek Pkwy, Pearland, TX 77584-7298

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated 2017 (9 years in practice)
Group practice Kelsey-Seybold Medical Group, Pllc — 942 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Sugar Land