NPPES file of Aug 9, 2026

Mark R. Bonnell, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Chattanooga, TN

Mark R. Bonnell, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Chattanooga, Tennessee, and NPI 1215123450, issued on Sep 21, 2007. Check the license (Tennessee 61345, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215123450
Name
Mark R. Bonnell
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
61345 TN
Self-reported in NPPES; status is on the state search
Practice location
2205 Mccallie Ave, Chattanooga, TN 37404
Phone
(423) 698-2435
Enumerated
Sep 21, 2007
Record last updated
Jan 31, 2022
Fax
(423) 697-6173
Medicaid ID
3015767 OH
Medicare enrollment
Enrolled (PECOS I20260427002587); may accept Medicare assignment
Medical or professional school
University Of Michigan Medical School, 1998
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 131 in Tennessee → Look up another NPI →

Also registered at 2205 Mccallie Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Allan, MDClinical Cardiac Electrophysiology Physician1124035571
  2. Charles Crump, MDInternal Medicine Physician1093704744
  3. Candace Davis, APRNPsychiatric/Mental Health Nurse Practitioner1619595147
  4. Annesofie Dubeck-Brooks, MDInternal Medicine Physician1790774610
  5. Varenda Fowler, FNPPsychiatric/Mental Health Nurse Practitioner1760815484
  6. Selmon Franklin, MDInternal Medicine Physician1841289501

Verify Mark R. Bonnell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 61345    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

4% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

97 Medicare Part D claims for 23 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 11 claims were for opioids.

  1. Mark Bonnell97
  2. Specialty average101

Most prescribed

  1. Metoprolol Tartrate12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $44,880.75

24 payments; by number, the most common kind was food and beverage; the largest payer was Zimmer Biomet Holdings, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Bonnell$44,881
  2. Specialty average$7,829

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Mark R. Bonnell among 131 thoracic surgery (cardiothoracic vascular surgery) physician records in Tennessee

Mark R. Bonnell, M.D. is one of 131 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Tennessee. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.

  • NPI issued2007 · 54% of these records are older, 34% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1998 · median 1999 among the 88 with a school on file
  • Record last updated2022 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Tennessee

There are 131 thoracic surgery (cardiothoracic vascular surgery) physician records in Tennessee.

All 131 in Tennessee → Every provider in Chattanooga → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Wilson Clements, M.D.Chattanooga, TN 374041154418150
  2. John Craig, MDChattanooga, TN 374041245459403
  3. Harold Head, MDChattanooga, TN 374041477549152
  4. James Headrick, MDChattanooga, TN 374041104812817
  5. Stephen Martin, MDChattanooga, TN 374041699762146
  6. Brett Melnikoff, MDChattanooga, TN 374041053774208
  7. Vanessa Miller, M.D.Chattanooga, TN 374041194189910
  8. Matthew Richey, M.D.Chattanooga, TN 374041104243088

Common questions

What is Mark R. Bonnell, M.D.'s NPI number?

Mark R. Bonnell, M.D.'s National Provider Identifier (NPI) is 1215123450, issued on Sep 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark R. Bonnell, M.D. located?

The NPPES record lists a practice address at 2205 Mccallie Ave, Chattanooga, TN, 37404. Phone: (423) 698-2435. Providers update this record themselves, so call before visiting.

How can I verify Mark R. Bonnell, M.D.'s license?

NPPES lists Tennessee license number 61345, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark R. Bonnell, M.D. prescribe under Medicare Part D?

In 2024, Mark R. Bonnell, M.D. had 97 Medicare Part D claims for 23 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.