William Slater, APRN
NPI 1114538642 · Family Nurse Practitioner · Columbia, SC
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Slater, APRN is a Family Nurse Practitioner provider in Columbia, SC (NPI 1114538642).
Provider details
- NPI number
- 1114538642
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Male
- Sole proprietor
- Yes
- License
- APRN11001929 (FL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-08-10
- Last updated
- 2025-06-28
- Certified
- 2025-06-28
Frequently asked questions
- What is William Slater's NPI number?
- William Slater's National Provider Identifier (NPI) is 1114538642, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Slater's specialty?
- William Slater is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Slater located?
- William Slater's practice location on file with NPPES is 6439 Garners Ferry Rd, Columbia, SC 29209-1638.
- What is William Slater's phone number?
- The practice phone number listed in the NPPES registry for William Slater is (803) 497-4937.
- Does William Slater accept Medicare?
- William Slater is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Slater's NPI active?
- Yes — William Slater's NPI (1114538642) is active in the NPPES registry as of the last update on 2025-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.