RUTH MIZE THOMSON DO
NPI 1144337965
Internal Medicine in Flat Rock, NC
About Ruth Mize Thomson Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RUTH MIZE THOMSON DO (NPI 1144337965) is an individual internal medicine provider in Flat Rock, North Carolina, licensed in North Carolina (2021-03352) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 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 (PECOS)
Ruth Mize Thomson Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Ruth Thomson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Flat Rock, NC 28731
- Reassigned Medicare billing, North Carolina enrollment
- 60 clinicians in this Medicare group
Dayton, OH 45420
- Reassigned Medicare billing, Ohio enrollment
- 43 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 clinicians in this Medicare group
Lebanon, NH 03756
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 28731 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 20
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 Ruth Thomson's NPI number?
The NPI number for Ruth Thomson is 1144337965. It was assigned to this individual provider in the NPPES registry on August 25, 2006.
Where is Ruth Thomson located?
Ruth Thomson practices at 571 S Allen Rd, Flat Rock, NC 28731. The listed phone number is (828) 692-6178.
What is Ruth Thomson's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ruth Thomson enrolled in Medicare?
Yes. Ruth Thomson is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ruth Thomson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ruth Thomson reassigns Medicare benefits to 4 organizations: Hospice Of Henderson County Inc (Flat Rock, NC), The Hospice Of Dayton, Inc. (Dayton, OH), Dartmouth-Hitchcock Clinic (Keene, NH) and Mary Hitchcock Memorial Hospital (Lebanon, NH). 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 Ruth Thomson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ruth Thomson accept?
Health plans from Cigna Healthcare and Taro Health list Ruth Thomson 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.
When was this NPI record last updated?
The NPPES record for Ruth Thomson was last updated on August 18, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Ruth Mize Thomson, DO · NPI 1144337965
Internal Medicine physician in Flat Rock, North Carolina. Individual provider, active in the CMS NPPES registry since August 25, 2006.
## Identity
- **NPI:** 1144337965 (Entity type: Individual)
- **Enumerated:** August 25, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 2021-03352 (North Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 571 S ALLEN RD, Flat Rock, NC 28731-9447
- **Phone:** (828) 692-6178 · **Fax:** (828) 692-2365
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Hospice Of Henderson County Inc (NPI 1275528176, Flat Rock, NC); The Hospice Of Dayton, Inc. (NPI 1346220142, Dayton, OH); Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH); Mary Hitchcock Memorial Hospital (NPI 1023092053, Lebanon, NH) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 18, 2022
- **Other identifiers:** Medicaid 2247036 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1144337965) · Data from the CMS NPPES public registry.