IndividualActive
Gretchen Barker, R.N.
NPI 1992117709 · Registered Nurse · Walhalla, SC
Gretchen Barker, R.N. is a Registered Nurse provider in Walhalla, SC (NPI 1992117709).
Provider details
- NPI number
- 1992117709
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- R.N.
- Sex
- Female
- Sole proprietor
- No
- License
- 73956 (SC)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
414 S Pine St
Walhalla, SC 29691-2146
Phone: (864) 886-4480
Street-level locationGet directions
Mailing address
1117 Evatt Rd
Seneca, SC 29672-0514
Registry dates
- Enumerated
- 2014-05-28
- Last updated
- 2014-05-28
Frequently asked questions
- What is Gretchen Barker's NPI number?
- Gretchen Barker's National Provider Identifier (NPI) is 1992117709, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Barker's specialty?
- Gretchen Barker is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Gretchen Barker located?
- Gretchen Barker's practice location on file with NPPES is 414 S Pine St, Walhalla, SC 29691-2146.
- What is Gretchen Barker's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Barker is (864) 886-4480.
- Is Gretchen Barker's NPI active?
- Yes — Gretchen Barker's NPI (1992117709) is active in the NPPES registry as of the last update on 2014-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.