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

William Worrall Mayo, APRN

Individual provider Family Nurse Practitioner · NPI 1558817809

William Worrall Mayo, APRN is a Nurse Practitioner in Clemson, South Carolina. Qualified in 2016, 10 years ago. Practices with James J Caserio MD PA, a 2-clinician group and accepts Medicare assignment. Licensed in South Carolina.

Years since qualifying
10
Licensed in
SC
In the registry since
2016
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

See every abbreviation used in this directory →

Practice location Address checks out

101 Edwards Hall
Clemson, SC 29634-0742
Phone: (864) 656-3076
Fax: (864) 656-1123
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 20201 (SC)

Record details

NPI number1558817809
Entity typeIndividual (Type 1)
GenderMale
Credentials APRN
Sole proprietorNo
NPI enumeratedAugust 28, 2016
Last updated in NPPESAugust 28, 2016

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice James J Caserio Md Pa — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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