DR. SAMUEL T. HARRIS MD
NPI 1821253899
Internal Medicine in Harriman, TN
About Dr. Samuel T. Harris Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SAMUEL T. HARRIS MD (NPI 1821253899) is an individual internal medicine provider in Harriman, Tennessee, licensed in Tennessee (48753) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Roane Medical Center, and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Samuel T. Harris Md 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
4Medicare enrollment records show Samuel Harris reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Loudon, TN 37774
- Reassigned Medicare billing, Tennessee enrollment
- 832 clinicians in this Medicare group
Mcminnville, TN 37110
- Reassigned Medicare billing, Tennessee enrollment
- 40 clinicians in this Medicare group
Franklin, TN 37067
- Reassigned Medicare billing, Tennessee enrollment
- 1,304 clinicians in this Medicare group
Lawrenceburg, IN 47025
- Reassigned Medicare billing, Tennessee enrollment
- 394 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Roane Medical Center
Acute Care Hospitals · Harriman, TNMethodist Medical Center Of Oak Ridge
Acute Care Hospitals · Oak Ridge, TNFort Loudoun Medical Center
Acute Care Hospitals · Lenoir City, TNParkwest Medical Center
Acute Care Hospitals · Knoxville, TNSaint Thomas Highlands Hospital
Acute Care Hospitals · Sparta, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37748 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HARRIMAN, TN 37748
HARRIMAN, TN 37748
HARRIMAN, TN 37748
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 Samuel Harris's NPI number?
The NPI number for Samuel Harris is 1821253899. It was assigned to this individual provider in the NPPES registry on July 18, 2008.
Where is Samuel Harris located?
Samuel Harris practices at 8045 Roane Medical Center Dr, Harriman, TN 37748. The listed phone number is (865) 316-3375.
What is Samuel Harris's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Samuel Harris enrolled in Medicare?
Yes. Samuel Harris 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 Samuel Harris's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Harris reassigns Medicare benefits to 4 organizations: University Health System, Inc (Loudon, TN), Pepper Branch Physician Services, PC (Mcminnville, TN), Saint Thomas Medical Partners (Franklin, TN) and Hospital Medicine Services Of Tennessee PC (Lawrenceburg, IN). 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 Samuel Harris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Samuel Harris accept?
Health plans from Cigna Healthcare and Oscar Insurance Company list Samuel Harris 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 Samuel Harris affiliated with any hospitals?
According to CMS data, Samuel Harris is affiliated with Roane Medical Center, Methodist Medical Center Of Oak Ridge, Fort Loudoun Medical Center, Parkwest Medical Center and Saint Thomas Highlands Hospital.
When was this NPI record last updated?
The NPPES record for Samuel Harris was last updated on September 29, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Samuel T. Harris, MD · NPI 1821253899
Internal Medicine physician in Harriman, Tennessee. Individual provider, active in the CMS NPPES registry since July 18, 2008.
## Identity
- **NPI:** 1821253899 (Entity type: Individual)
- **Enumerated:** July 18, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 48753 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 8045 ROANE MEDICAL CENTER DR, Harriman, TN 37748-8333
- **Phone:** (865) 316-3375
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): University Health System, Inc (NPI 1700109402, Loudon, TN); Pepper Branch Physician Services, PC (NPI 1740978501, Mcminnville, TN); Saint Thomas Medical Partners (NPI 1164679411, Franklin, TN); Hospital Medicine Services Of Tennessee PC (NPI 1528433802, Lawrenceburg, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** September 29, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1821253899) · Data from the CMS NPPES public registry.