William Mcwilliams, M.D.
NPI 1396718979 · Dermatology Physician · Columbia, SC
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Mcwilliams, M.D. is a Dermatology Physician provider in Columbia, SC (NPI 1396718979).
Provider details
- NPI number
- 1396718979
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 7065 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-02-13
- Last updated
- 2023-03-07
Frequently asked questions
- What is William Mcwilliams's NPI number?
- William Mcwilliams's National Provider Identifier (NPI) is 1396718979, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mcwilliams's specialty?
- William Mcwilliams is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is William Mcwilliams located?
- William Mcwilliams's practice location on file with NPPES is 3 Richland Medical Park Dr, Columbia, SC 29203-6849.
- What is William Mcwilliams's phone number?
- The practice phone number listed in the NPPES registry for William Mcwilliams is (803) 779-7316.
- Does William Mcwilliams accept Medicare?
- William Mcwilliams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Mcwilliams's NPI active?
- Yes — William Mcwilliams's NPI (1396718979) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.