Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1902696123 Individual Practitioner Male Practitioner

William Tanner Slay

Physician Assistant • Jackson, MS

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

William Slay is a certified Physician Assistant practicing in Jackson, MS. With approximately 1 years of clinical experience since completing medical education in 2025, William Slay delivers high-quality medical care to the local community at 501 MARSHALL ST STE 301.

William Slay is affiliated with Mississippi Urology Clinic Pllc and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

501 Marshall St Ste 301

Jackson, MS 392021687

Telephone 6013539900
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2025

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Jackson, MS

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
1 Yrs -5.4 yrs vs City Avg
City Avg: 6.4 Yrs
State Avg: 8.9 Yrs
Regional Practice Density
66 Specialists

Practicing in Jackson, MS (343 Statewide)

Telehealth Adoption Rate
4.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Slay (1 Years) 1 Yrs
Jackson Specialty Average (6.4 Years) 6.4 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-08-26
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License MS PA00921

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Mississippi Urology Clinic Pllc

1100 Hwy 16 E, Carthage, MS 390514222

Phone: 6013539900

Mississippi Urology Clinic Pllc

1040 River Oaks Dr, Flowood, MS 392329534

Phone: 6013539900

Mississippi Urology Clinic Pllc

501 Marshall St, Jackson, MS 392021687

Phone: 6013539900

Mississippi Urology Clinic Pllc

1029 River Oaks Dr, Flowood, MS 392329554

Phone: 6013539900

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

12 Associated Practitioners
NPI 1144532391
NPI 1235629973

Doctor of Medicine (M.D.)

NPI 1407888316

Doctor of Medicine (M.D.)

NPI 1487686374

Doctor of Medicine (M.D.)

NPI 1528263936

Doctor of Medicine (M.D.)

Mary Ann Darsey

Nurse Practitioner

NPI 1538341474

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Practice Location August 26, 2025

Registered at 501 MARSHALL ST STE 301, JACKSON, MS 392021687 (Tel: 6013539900)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 26, 2025

Physician Assistant (License #PA00921 in MS)

NPI Profile Active May 09, 2025

NPI status registered as active in NPPES database

📍
Updated Practice Location May 09, 2025

Registered at 2214 5TH STREET ROSENBAUM BUILDING, MERIDIAN, MS 393015734 (Tel: 6014840100)

📍
Updated Business Mailing Address May 09, 2025

Registered at 2214 5TH STREET ROSENBAUM BLDG ROSENB, MERIDIAN, MS 39301 (Tel: 6014840100)

👤
Provider Name / Credentials Updated May 09, 2025

Recorded as WILLIAM SLAY

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 09, 2025

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration May 09, 2025

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1902696123
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 09, 2025
Last Update: August 26, 2025
Sole Proprietor: No

Mailing Address

2214 5th Street Rosenbaum Bldg Rosenb

Meridian, MS 39301

Phone: 6014840100

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.