MARK R. BONNELL M.D.
NPI 1215123450
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Chattanooga, TN
About Mark R. Bonnell M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK R. BONNELL M.D. (NPI 1215123450) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Chattanooga, Tennessee, licensed in Tennessee (61345) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (1998).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark R. Bonnell M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Mark Bonnell reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Beckley, WV 25801
- Reassigned Medicare billing, West Virginia enrollment
- 1,511 clinicians in this Medicare group
Birch Tree, MO 65438
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1245277631 (Missouri)
- 1,487 clinicians in this Medicare group
Saint Joseph, MO 64506
- Reassigned Medicare billing, Missouri enrollment
- 471 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 37404 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.
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
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 Bonnell's NPI number?
The NPI number for Mark Bonnell is 1215123450. It was assigned to this individual provider in the NPPES registry on September 21, 2007.
Where is Mark Bonnell located?
Mark Bonnell practices at 2205 Mccallie Ave, Chattanooga, TN 37404. The listed phone number is (423) 698-2435.
What is Mark Bonnell's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Mark Bonnell enrolled in Medicare?
Yes. Mark Bonnell is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mark Bonnell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Bonnell reassigns Medicare benefits to 3 organizations: Charleston Area Medical Center Inc (Beckley, WV), Mercy Clinic Springfield Communities (Birch Tree, MO) and Heartland Regional Medical Center (Saint Joseph, MO). 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 Mark Bonnell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mark Bonnell was last updated on January 31, 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.