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

Dr. William Lassiter Holmes IV, MD

Individual provider Family Medicine Physician · NPI 1063161065

Dr. William Lassiter Holmes IV, MD is a Family Practice in Houston, Texas. Graduated from Baylor College of Medicine in 2017, 9 years ago. Licensed in Texas.

Years since qualifying
9
Trained at
Baylor College of Medicine
Licensed in
TX
In the registry since
2022
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

1100 W 34th St
Houston, TX 77018-6206
Phone: (713) 861-3939
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence V8283 (TX)

Record details

NPI number1063161065
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 18, 2022
Last updated in NPPESJanuary 26, 2026
Certification dateJanuary 26, 2026

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 2017 (9 years in practice)
Accepts Medicare assignment Not indicated

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