Thomas Sloane Guy, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Knoxville, TN
Thomas Sloane Guy, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Knoxville, Tennessee, and NPI 1558308858, issued on Jun 2, 2006. Check the license (Tennessee 28020, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Thomas Sloane Guy
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License numbers
- 28020 TN
G87712 CA
64041 GA
281699 NY
MD068929L PA
Self-reported in NPPES; status is on the state search - Practice location
- 9125 Cross Park Dr Ste 200, Knoxville, TN 37923
- Phone
- (865) 632-5900
- Enumerated
- Jun 2, 2006
- Record last updated
- Aug 6, 2026
- Fax
- (865) 374-2129
- Medicaid ID
- 679591983A GA
- Medicare enrollment
- Enrolled (PECOS I20100727000650); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 131 in Tennessee → Look up another NPI →
Also registered at 9125 Cross Park Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Asher, PA-CPhysician Assistant1053847863
- Norbert Baumgartner, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1538148630
- John Carlsen, P.A.Medical Physician Assistant1114970209
- Jessica Foutch, FNPFamily Nurse Practitioner1588352389
- David Graham, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1962606822
- Ashley Greene, PA-CPhysician Assistant1811916612
Verify Thomas Sloane Guy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 28020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
39 Medicare Part D claims for 22 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Mupirocin13 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: $15,172.04
78 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Northeast Georgia Physicians Group IncGainesville, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Sloane Guy among 131 thoracic surgery (cardiothoracic vascular surgery) physician records in Tennessee
Thomas Sloane Guy, MD 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 2006, is newer than 22% of them.
- NPI issued2006 · 22% of these records are older, 46% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1994 · median 1999 among the 88 with a school on file
- Record last updated2026 · 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 Knoxville → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Norbert Baumgartner, MDKnoxville, TN 379231538148630
- David Graham, MDKnoxville, TN 379231962606822
- Brent Grishkin, MDKnoxville, TN 379231003809617
- John Hance, MD, MPHKnoxville, TN 379231225321086
- Robert Helsel, MDKnoxville, TN 379231215920830
- Carlo Martinez Torres, MDKnoxville, TN 379231457535379
- Raymond Dieter, MDKnoxville, TN 379201063405603
- Thomas Gaines, MDKnoxville, TN 379201447243068
Common questions
What is Thomas Sloane Guy, MD's NPI number?
Thomas Sloane Guy, MD's National Provider Identifier (NPI) is 1558308858, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Sloane Guy, MD located?
The NPPES record lists a practice address at 9125 Cross Park Dr Ste 200, Knoxville, TN, 37923. Phone: (865) 632-5900. Providers update this record themselves, so call before visiting.
How can I verify Thomas Sloane Guy, MD's license?
NPPES lists Tennessee license number 28020, 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 Thomas Sloane Guy, MD prescribe under Medicare Part D?
In 2024, Thomas Sloane Guy, MD had 39 Medicare Part D claims for 22 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.
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.