SARAH K DUNN DO
NPI 1831291517
Hospitalist in Kingsport, TN
About Sarah K Dunn Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH K DUNN DO (NPI 1831291517) is an individual hospitalist provider in Kingsport, Tennessee, licensed in Tennessee (5690) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with Columbia Memorial Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Sarah K Dunn Do 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.
Medicare Billing Reassignments
8Medicare enrollment records show Sarah Dunn reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kingsport, TN 37660
- Reassigned Medicare billing, Tennessee enrollment
- 861 clinicians in this Medicare group
Ranson, WV 25438
- Reassigned Medicare billing, West Virginia enrollment
- 231 clinicians in this Medicare group
Columbia, MO 65201
- Reassigned Medicare billing, Missouri enrollment
- 5 clinicians in this Medicare group
Big Spring, TX 79720
- Reassigned Medicare billing, Texas enrollment
- 93 clinicians in this Medicare group
Kingman, AZ 86409
- Reassigned Medicare billing, Arizona enrollment
- 418 clinicians in this Medicare group
Sandy, OR 97055
- Reassigned Medicare billing, Oregon enrollment
- 1,248 clinicians in this Medicare group
Molalla, OR 97038
- Reassigned Medicare billing, Oregon enrollment
- 568 clinicians in this Medicare group
Astoria, OR 97103
- Reassigned Medicare billing, Oregon enrollment
- Also billed through NPI 1134146939 (Oregon)
- 278 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Columbia Memorial Hospital
Critical Access Hospitals · Astoria, ORBerkeley Medical Center
Acute Care Hospitals · Martinsburg, WVPhysician 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.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Sarah Dunn's NPI number?
The NPI number for Sarah Dunn is 1831291517. It was assigned to this individual provider in the NPPES registry on September 2, 2006. The provider is also known as Sarah K Grayson Do.
Where is Sarah Dunn located?
Sarah Dunn practices at 105 W Park Dr, Kingsport, TN 37660. The listed phone number is (423) 224-3220.
What is Sarah Dunn's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Sarah Dunn enrolled in Medicare?
Yes. Sarah Dunn 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.
Which organizations bill Medicare for Sarah Dunn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Dunn reassigns Medicare benefits to 8 organizations: Wellmont Medical Associates, Inc. (Kingsport, TN), City Hospital, Inc. (Ranson, WV), Spectrum Health Care (Columbia, MO), Big Bend Medical Group (Big Spring, TX), Kingman Healthcare, Inc (Kingman, AZ) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sarah Dunn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sarah Dunn accept?
Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Baylor Scott and White Health Plan, Blue Cross Blue Shield of Arizona and Blue Cross and Blue Shield of Texas and 4 other insurers list Sarah Dunn 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 Sarah Dunn affiliated with any hospitals?
According to CMS data, Sarah Dunn is affiliated with Columbia Memorial Hospital and Berkeley Medical Center.
When was this NPI record last updated?
The NPPES record for Sarah Dunn was last updated on October 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Sarah K Dunn, DO · NPI 1831291517
Hospitalist physician in Kingsport, Tennessee. Individual provider, active in the CMS NPPES registry since September 2, 2006.
## Identity
- **NPI:** 1831291517 (Entity type: Individual)
- **Enumerated:** September 2, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 5690 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 105 W PARK DR, Kingsport, TN 37660-3805
- **Phone:** (423) 224-3220
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Wellmont Medical Associates, Inc. (NPI 1598124398, Kingsport, TN); City Hospital, Inc. (NPI 1336657493, Ranson, WV); Spectrum Health Care (NPI 1063785442, Columbia, MO); Big Bend Medical Group (NPI 1811973282, Big Spring, TX); Kingman Healthcare, Inc (NPI 1265423917, Kingman, AZ); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** October 21, 2025
- **Other identifiers:** Medicaid 1831291517 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1831291517) · Data from the CMS NPPES public registry.