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

Mr. William Tanner Slay

Individual provider Physician Assistant · NPI 1902696123

Mr. William Tanner Slay is a Physician Assistant in Jackson, Mississippi. Qualified in 2025, 1 year ago. Practices with Mississippi Urology Clinic PLLC, a 14-clinician group and accepts Medicare assignment. Licensed in Mississippi.

Years since qualifying
1
Licensed in
MS
In the registry since
2025

Practice location Address checks out

501 Marshall St Ste 301
Jackson, MS 39202-1687
Phone: (601) 353-9900
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA00921 (MS)

Record details

NPI number1902696123
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMay 9, 2025
Last updated in NPPESAugust 26, 2025
Certification dateAugust 26, 2025
Mailing address2214 5th Street Rosenbaum Bldg Rosenb, Meridian, MS 39301

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Mississippi Urology Clinic Pllc — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Jackson