MARK R. BONNELL M.D.
NPI 1215123450
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Chattanooga, TN

Active since September 21, 2007PECOS Enrolled
2205 MCCALLIE AVE, CHATTANOOGA, TN 37404(423) 698-2435(423) 697-6173 Get Directions Write a Review

NPPES record last updated: January 31, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 31, 2022, Aug 18, 2020, Feb 20, 2020 and 1 more (4 updates tracked since 2016).

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

NPI1215123450
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NameMARK R. BONNELLCredential: M.D.
Location Address2205 MCCALLIE AVEChattanooga, TN 37404-3230
Mailing Address2205 Mccallie AveChattanooga, TN 37404-3230 · (423) 698-2435 · Fax (423) 697-6173
Fax(423) 697-6173
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1998
Enumeration DateSeptember 21, 2007
Last NPPES UpdateJanuary 31, 20224 updates tracked since enumeration
NPPES CertifiedJanuary 31, 2022
✔ NPI 1215123450 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
License✔ Licensed in TN · 61345
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
Also ListedSurgeryTaxonomy 208600000X · License 61345 (TN)
2205 MCCALLIE AVE, Chattanooga, TN 37404

Other Identifiers 1

Medicaid3015767OH

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).

PECOS PAC ID1355430158
PECOS Enrollment IDI20260427002587
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare 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.

General Acute Care Hospital
230 GEORGE ST STE 2
Beckley, WV 25801
  • Reassigned Medicare billing, West Virginia enrollment
  • 1,511 clinicians in this Medicare group
Rural Health
9138 O'BANION ST
Birch Tree, MO 65438
  • Reassigned Medicare billing, Missouri enrollment
  • Also billed through NPI 1245277631 (Missouri)
  • 1,487 clinicians in this Medicare group
General Practice
5325 FARAON ST
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.

New Patient
$160.89 typical visit price
range $52.64 – $160.89
Typical copayment $40.22 (range $13.16 – $40.22)
Most-billed visit code 99205
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Nurse Practitioner (Psychiatric/Mental Health)
2205 MCCALLIE AVE
CHATTANOOGA, TN 37404
Specialist
2205 MCCALLIE AVE, STE 102
CHATTANOOGA, TN 37404
Internal Medicine
2205 MCCALLIE AVE
CHATTANOOGA, TN 37404
Internal Medicine (Clinical Cardiac Electrophysiology)
2205 MCCALLIE AVE
CHATTANOOGA, TN 37404
Specialist
2205 MCCALLIE AVE, SUITE 102
CHATTANOOGA, TN 37404
Internal Medicine (Interventional Cardiology)
2205 MCCALLIE AVE
CHATTANOOGA, TN 37404
Nurse Practitioner (Psychiatric/Mental Health)
2205 MCCALLIE AVE
CHATTANOOGA, TN 37404
Nurse Practitioner (Psychiatric/Mental Health)
2205 MCCALLIE AVE
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.