NPPES file of Aug 9, 2026

Clayton Allen Kaiser, M.D.

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

Clayton Allen Kaiser, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Nashville, Tennessee, and NPI 1003077728, issued on Jun 24, 2008. Check the license (Tennessee 51605, 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
1003077728
Name
Clayton Allen Kaiser
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License numbers
51605 TN
MD51605 TN
Self-reported in NPPES; status is on the state search
Practice location
4230 Harding Pike Ste 530, Nashville, TN 37205
Phone
(615) 222-5500
Enumerated
Jun 24, 2008
Record last updated
Aug 16, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(615) 222-5601
Medicare enrollment
Enrolled (PECOS I20140916001509); accepts Medicare assignment
Medical or professional school
Vanderbilt University School Of Medicine, 2008
Telehealth
Offers telehealth (CMS)
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.
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Also registered at 4230 Harding Pike Ste 530

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

  1. Andrea Belcher, PAPhysician Assistant1174025423
  2. Katie Ciarletta, AGACNPNurse Practitioner1801257753
  3. Christine Dobson, FNPFamily Nurse Practitioner1578397642
  4. Jeffrey Gibson, MDSurgery Physician1982606943
  5. Grace Hudson, PA-CMedical Physician Assistant1669897914
  6. Kristen Jensen, PAPhysician Assistant1487731147

Verify Clayton Allen Kaiser 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 51605
    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.

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19% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

82 Medicare Part D claims for 78 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D.

  1. Clayton Kaiser82
  2. Specialty average101

Most prescribed

  1. Mupirocin74 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: $45,863.39

54 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.

  1. Clayton Kaiser$45,863
  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.

Bills Medicare through one group practice

  1. Saint Thomas Medical PartnersNashville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Clayton Allen Kaiser among 131 thoracic surgery (cardiothoracic vascular surgery) physician records in Tennessee

Clayton Allen Kaiser, 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 2008, is newer than 66% of them.

  • NPI issued2008 · 66% of these records are older, 27% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2008 · median 1999 among the 88 with a school on file
  • Record last updated2019 · 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.

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

  1. Phillip Brown, M.D.Nashville, TN 372051780728089
  2. John DansbyNashville, TN 372051578429650
  3. David Glassford, M.D.Nashville, TN 372051083616387
  4. Darius Hollings, MDNashville, TN 372051194971945
  5. John Lea, M.D.Nashville, TN 372051821090051
  6. Michael Petracek, M.D.Nashville, TN 372051972505105
  7. John Pirolo, M.D.Nashville, TN 372051487656609
  8. Chandrashekhar Ramaiah, MDNashville, TN 372051144285099

Common questions

What is Clayton Allen Kaiser, M.D.'s NPI number?

Clayton Allen Kaiser, M.D.'s National Provider Identifier (NPI) is 1003077728, issued on Jun 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Clayton Allen Kaiser, M.D. located?

The NPPES record lists a practice address at 4230 Harding Pike Ste 530, Nashville, TN, 37205. Phone: (615) 222-5500. Providers update this record themselves, so call before visiting.

How can I verify Clayton Allen Kaiser, M.D.'s license?

NPPES lists Tennessee license number 51605, 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 Clayton Allen Kaiser, M.D. prescribe under Medicare Part D?

In 2024, Clayton Allen Kaiser, M.D. had 82 Medicare Part D claims for 78 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.