JOHN EDWARD GRIEPENTROG M.D.
NPI 1942643119
Surgery - Trauma Surgery in Knoxville, TN
About John Edward Griepentrog M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN EDWARD GRIEPENTROG M.D. (NPI 1942643119) is an individual trauma surgery provider in Knoxville, Tennessee, licensed in Tennessee (65226) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with University Health System, Inc, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
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
John Edward Griepentrog M.d. 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 Reassignment
Medicare enrollment records show John Griepentrog reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Knoxville, TN 37920
- Reassigned Medicare billing, Tennessee enrollment
- 832 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 5
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Health System, Inc
Acute Care Hospitals · Knoxville, TNLeconte Medical Center
Acute Care Hospitals · Sevierville, TNMedicare 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.
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.
KNOXVILLE, TN 37920
KNOXVILLE, TN 37920
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 John Griepentrog's NPI number?
The NPI number for John Griepentrog is 1942643119. It was assigned to this individual provider in the NPPES registry on April 8, 2013.
Where is John Griepentrog located?
John Griepentrog practices at 1932 Alcoa Hwy, Knoxville, TN 37920. The listed phone number is (865) 305-6058.
What is John Griepentrog's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Trauma Surgery, with taxonomy code 2086S0127X.
Is John Griepentrog enrolled in Medicare?
Yes. John Griepentrog 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 organization bills Medicare for John Griepentrog's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Griepentrog reassigns Medicare benefits to University Health System, Inc (Knoxville, TN). The 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 John Griepentrog's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Griepentrog accept?
Health plans from BlueCross BlueShield of Tennessee, Cigna Healthcare, Oscar Insurance Company and UnitedHealthcare list John Griepentrog 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 John Griepentrog affiliated with any hospitals?
According to CMS data, John Griepentrog is affiliated with University Health System, Inc and Leconte Medical Center.
When was this NPI record last updated?
The NPPES record for John Griepentrog was last updated on October 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.
# John Edward Griepentrog, M.D. · NPI 1942643119
Trauma Surgery physician in Knoxville, Tennessee. Individual provider, active in the CMS NPPES registry since April 8, 2013.
## Identity
- **NPI:** 1942643119 (Entity type: Individual)
- **Enumerated:** April 8, 2013
- **Primary specialty:** Surgery - Trauma Surgery · taxonomy 2086S0127X
- **State license:** 65226 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 1932 ALCOA HWY, Knoxville, TN 37920-1527
- **Phone:** (865) 305-6058
## 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:** University Health System, Inc (NPI 1326350430, Knoxville, TN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At Houston, class of 2013
## Record status
- **NPPES last updated:** October 18, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1942643119) · Data from the CMS NPPES public registry.