Barbara Williamson, N.P.
NPI 1285846402 · Nurse Practitioner · Georgetown, SC
Barbara Williamson, N.P. is a Nurse Practitioner provider in Georgetown, SC (NPI 1285846402).
Provider details
- NPI number
- 1285846402
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 2463 (SC)
Specialties & taxonomies
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
19 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
- 2007-05-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Barbara Williamson's NPI number?
- Barbara Williamson's National Provider Identifier (NPI) is 1285846402, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Williamson's specialty?
- Barbara Williamson is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Barbara Williamson located?
- Barbara Williamson's practice location on file with NPPES is 2020 Highmarket St, Georgetown, SC 29440-2618.
- What is Barbara Williamson's phone number?
- The practice phone number listed in the NPPES registry for Barbara Williamson is (843) 436-1333.
- Is Barbara Williamson's NPI active?
- Yes — Barbara Williamson's NPI (1285846402) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.