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

Dr. William Ellison, MD

Individual provider Anesthesiology Physician · NPI 1548273154

Dr. William Ellison, MD is an Anesthesiology in Houston, Texas. Graduated from University of Texas Medical Branch at Galveston in 2001, 25 years ago. Practices with U S Anesthesia Partners of Texas, PA, a 2,747-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
25
Trained at
University of Texas Medical Branch at Galveston
Licensed in
TX
In the registry since
2006
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

1500 Citywest Blvd Ste 300
Houston, TX 77042-2300
Phone: (713) 620-4000
Fax: (713) 458-4229
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence L9682 (TX)

Record details

NPI number1548273154
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 14, 2006
Last updated in NPPESAugust 27, 2020
Certification dateAugust 27, 2020

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolUNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated 2001 (25 years in practice)
Group practice U S Anesthesia Partners Of Texas, Pa — 2747 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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