What is Barney Williams's NPI number?

Barney Williams's National Provider Identifier (NPI) is 1548229735, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Barney Williams's specialty?

Barney Williams is listed in the NPPES registry with a primary specialty of Gynecology Physician (Allopathic & Osteopathic Physicians).

Where is Barney Williams located?

Barney Williams's practice location on file with NPPES is 370 S Pike W, Sumter, SC 29150-2664.

What is Barney Williams's phone number?

The practice phone number listed in the NPPES registry for Barney Williams is (803) 774-6448.

Is Barney Williams's NPI active?

Yes — Barney Williams's NPI (1548229735) is active in the NPPES registry as of the last update on 2026-05-15.

IndividualActive

Barney Williams, MD

NPI 1548229735 · Gynecology Physician · Sumter, SC

Barney Williams, MD is a Gynecology Physician provider in Sumter, SC (NPI 1548229735).

Provider details

NPI number: 1548229735
Entity type: Individual
Primary specialty: Gynecology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: Yes
License: 4720 (SC)

Specialties & taxonomies

Gynecology PhysicianPrimary207VG0400XLicense 4720 (SC)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

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

370 S Pike W

Sumter, SC 29150-2664

Phone: (803) 774-6448

Street-level locationGet directions

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Mailing address