DR. MARK B MURRAY M.D.
NPI 1124091947
Anesthesiology in Knoxville, TN
About Dr. Mark B Murray M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK B MURRAY M.D. (NPI 1124091947) is an individual anesthesiology provider in Knoxville, Tennessee, licensed in Tennessee (MD38581) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with University Health System, Inc, and is a graduate of University Of South Alabama College Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 5
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. Mark B Murray 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 Mark Murray 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
- 58 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 3
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, TNOther 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
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 Mark Murray's NPI number?
The NPI number for Mark Murray is 1124091947. It was assigned to this individual provider in the NPPES registry on February 10, 2006.
Where is Mark Murray located?
Mark Murray practices at 1924 Alcoa Hwy Box U109, Knoxville, TN 37920. The listed phone number is (865) 544-9220.
What is Mark Murray's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mark Murray enrolled in Medicare?
Yes. Mark Murray 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 Mark Murray's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Murray 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 Mark Murray's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Murray accept?
Health plans from Cigna Healthcare and Oscar Insurance Company list Mark Murray 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 Mark Murray affiliated with any hospitals?
According to CMS data, Mark Murray is affiliated with University Health System, Inc.
When was this NPI record last updated?
The NPPES record for Mark Murray was last updated on January 10, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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. Mark B Murray, M.D. · NPI 1124091947
Anesthesiology physician in Knoxville, Tennessee. Individual provider, active in the CMS NPPES registry since February 10, 2006.
## Identity
- **NPI:** 1124091947 (Entity type: Individual)
- **Enumerated:** February 10, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD38581 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 1924 ALCOA HWY, BOX U109, Knoxville, TN 37920-1511
- **Phone:** (865) 544-9220
## 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 Anesthesiologists, PLLC (NPI 1558479279, Knoxville, TN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of South Alabama College Of Medicine, class of 2000
## Record status
- **NPPES last updated:** January 10, 2012
- **Other identifiers:** Medicaid 3330580 (TN); Medicare ID-Type Unspecified 3330580; Medicaid 64099757 (KY); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1124091947) · Data from the CMS NPPES public registry.