Graycen Clark, MSN, APRN, FNP-BC
NPI 1578368452 · Family Nurse Practitioner · Kingsport, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Graycen Clark, MSN, APRN, FNP-BC is a Family Nurse Practitioner provider in Kingsport, TN (NPI 1578368452).
Provider details
- NPI number
- 1578368452
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, APRN, FNP-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 38211 (TN)
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
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 329 Wesley StJohnson City, TN 37601-1772Phone: (423) 631-0055
- 2050 Meadowview PkwyKingsport, TN 37660-7475Phone: (423) 230-5000
Registry dates
- Enumerated
- 2025-02-15
- Last updated
- 2025-11-14
- Certified
- 2025-11-14
Frequently asked questions
- What is Graycen Clark's NPI number?
- Graycen Clark's National Provider Identifier (NPI) is 1578368452, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Graycen Clark's specialty?
- Graycen Clark is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Graycen Clark located?
- Graycen Clark's practice location on file with NPPES is 130 Ravine Rd, Kingsport, TN 37660-3831.
- What is Graycen Clark's phone number?
- The practice phone number listed in the NPPES registry for Graycen Clark is (423) 224-4000.
- Does Graycen Clark accept Medicare?
- Graycen Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Graycen Clark's NPI active?
- Yes — Graycen Clark's NPI (1578368452) is active in the NPPES registry as of the last update on 2025-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.