MR. JOHN C HARGIS CRNA
NPI 1235361213
Nurse Anesthetist, Certified Registered in Knoxville, TN
About Mr. John C Hargis Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. JOHN C HARGIS CRNA (NPI 1235361213) is an individual nurse anesthetist, certified registered in Knoxville, Tennessee, licensed in Tennessee (7245) and active in the NPI registry since August 2009. He is affiliated with University Health System, Inc and is a graduate of Other (2009).
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
Mr. John C Hargis Crna 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 Hargis 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
- 208 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Health System, Inc
Acute Care Hospitals · Knoxville, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37919 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.
KNOXVILLE, TN 37919
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 Hargis's NPI number?
The NPI number for John Hargis is 1235361213. It was assigned to this individual provider in the NPPES registry on August 10, 2009.
Where is John Hargis located?
John Hargis practices at 341 Trane Dr, Knoxville, TN 37919. The listed phone number is (865) 588-0880.
What is John Hargis's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is John Hargis enrolled in Medicare?
Yes. John Hargis 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 Hargis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Hargis reassigns Medicare benefits to University Anesthesiologists, PLLC (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 Hargis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Hargis accept?
Health plans from Cigna Healthcare list John Hargis 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 Hargis affiliated with any hospitals?
According to CMS data, John Hargis is affiliated with University Health System, Inc.
When was this NPI record last updated?
The NPPES record for John Hargis was last updated on August 10, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Mr. John C Hargis, CRNA · NPI 1235361213
Nurse Anesthetist, Certified Registered physician in Knoxville, Tennessee. Individual provider, active in the CMS NPPES registry since August 10, 2009.
## Identity
- **NPI:** 1235361213 (Entity type: Individual)
- **Enumerated:** August 10, 2009
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 7245 (Tennessee)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 341 TRANE DR, Knoxville, TN 37919-6053
- **Phone:** (865) 588-0880 · **Fax:** (865) 637-5818
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** University Anesthesiologists, PLLC (NPI 1073619466, Knoxville, TN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** August 10, 2009
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Source: [NPI Profile](https://npiprofile.com/npi/1235361213) · Data from the CMS NPPES public registry.