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GRAYCEN CLARK MSN, APRN, FNP-BC
NPI 1578368452
Nurse Practitioner - Family in Kingsport, TN

Active since February 15, 2025PECOS EnrolledAccepts Medicare Assignment
130 RAVINE RD, KINGSPORT, TN 37660(423) 224-4000 Get Directions Write a Review

NPPES record last updated: November 14, 2025. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Nov 14, 2025, May 30, 2025, Feb 15, 2025 (3 updates tracked since 2025).

About Graycen Clark Msn, Aprn, Fnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GRAYCEN CLARK MSN, APRN, FNP-BC (NPI 1578368452) is an individual family provider in Kingsport, Tennessee, licensed in Tennessee (38211) and active in the NPI registry since February 2025. She is enrolled in Medicare PECOS, is affiliated with Wellmont Holston Valley Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1578368452
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameGRAYCEN CLARKCredential: MSN, APRN, FNP-BC
Location Address130 RAVINE RDKingsport, TN 37660-3831
Mailing Address1021 W Oakland Ave Ste 310Johnson City, TN 37604-2192 · (423) 952-2111 · Fax (423) 282-1657
Phone(423) 224-4000
Sole ProprietorYes
Medical School CMSOtherGraduated 2024
Enumeration DateFebruary 15, 2025
Last NPPES UpdateNovember 14, 20253 updates tracked since enumeration
NPPES CertifiedNovember 14, 2025
✔ NPI 1578368452 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in TN · 38211
130 RAVINE RD, Kingsport, TN 37660
Open in Google Maps ↗

Secondary Practice Locations 2

Location 12050 Meadowview PkwyKingsport, TN 37660-7475 · Phone (423) 230-5000
Location 2329 Wesley StJohnson City, TN 37601-1772 · Phone (423) 631-0055

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Graycen Clark Msn, Aprn, Fnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214456672
PECOS Enrollment IDI20250528003842
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Wellmont Holston Valley Medical Center

Acute Care Hospitals · Kingsport, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440017
Location130 West Ravine RoadKingsport, TN 37662 · Sullivan County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37660 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. PHILIP CRAIG WARREN B.S. O.T.
Occupational Therapist
130 RAVINE RD
KINGSPORT, TN 37660
Sullivan County (423) 224-5535

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Graycen Clark's NPI number?

The NPI number for Graycen Clark is 1578368452. It was assigned to this individual provider in the NPPES registry on February 15, 2025.

Where is Graycen Clark located?

Graycen Clark practices at 130 Ravine Rd, Kingsport, TN 37660. The listed phone number is (423) 224-4000.

What is Graycen Clark's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Graycen Clark enrolled in Medicare?

Yes. Graycen Clark is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Graycen Clark accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of North Carolina and 1 other insurer list Graycen Clark as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Graycen Clark affiliated with any hospitals?

According to CMS data, Graycen Clark is affiliated with Wellmont Holston Valley Medical Center.

When was this NPI record last updated?

The NPPES record for Graycen Clark was last updated on November 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.