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

Dr. Colville T. Williams

Individual provider Nephrology Physician · NPI 1861490005

Dr. Colville T. Williams is a Nephrology in Houston, Texas. Graduated from University of Texas Medical School at Houston in 1995, 31 years ago. Practices with Houston Nephrology Group, PA, a 9-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
31
Trained at
University of Texas Medical School at Houston
Licensed in
TX
In the registry since
2005
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Practice location Address checks out

915 Gessner Rd Ste 360
Houston, TX 77024-2540
Phone: (713) 468-5440
Fax: (713) 973-0778
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 10425 Huffmeister Rd Ste 420, Houston, TX 77065-3429 — (281) 571-8090
  • 13219 Dotson Rd Ste 200, Houston, TX 77070-4308 — (281) 571-8090
  • 1331 W Grand Pkwy N Ste 320, Katy, TX 77493-2711 — (713) 468-5440

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence J8419 (TX)

Record details

NPI number1861490005
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJuly 12, 2005
Last updated in NPPESOctober 29, 2025
Certification dateOctober 29, 2025

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduated 1995 (31 years in practice)
Group practice Houston Nephrology Group, P.A. — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Houston