NPPES file of Aug 9, 2026

Zachary Scott Mayo, MD

Radiation Oncology Physician · Lebanon, TN

Zachary Scott Mayo, MD is a radiation oncology physician with a practice address in Lebanon, Tennessee, and NPI 1639632839, issued on Apr 13, 2019. Check the license (Tennessee 70425, 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
1639632839
Name
Zachary Scott Mayo
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
70425 TN
Self-reported in NPPES; status is on the state search
Practice location
101 Physicians Way Ste 111, Lebanon, TN 37090
Phone
(615) 235-8700
Enumerated
Apr 13, 2019
Record last updated
Sep 23, 2024
Fax
(615) 550-3055
Medicare enrollment
Enrolled (PECOS I20241129000006); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 2019
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 101 Physicians Way Ste 111

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

  1. Adam Hubler, MDRadiation Oncology Physician1720668874
  2. Samantha Smith, FNP-CFamily Nurse Practitioner1811380926

Verify Zachary Scott Mayo 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 70425
    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

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82% fewer Medicare Part D claims than the average radiation oncology physician in 2024

24 Medicare Part D claims for 16 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Zachary Mayo24
  2. Specialty average134

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: $448.55

4 payments; by number, the most common kind was food and beverage; the largest payer was Novocure Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Zachary Mayo$448.55
  2. Specialty average$1,897.85

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. Lebanon Radiation Oncology Center, LLCLebanon, TN

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

Zachary Scott Mayo among 132 radiation oncology physician records in Tennessee

Zachary Scott Mayo, MD is one of 132 radiation oncology physician records with a practice address in Tennessee. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 93% of them.

  • NPI issued2019 · 93% of these records are older, 5% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2019 · median 2005 among the 98 with a school on file
  • Record last updated2024 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Tennessee

There are 132 radiation oncology physician records in Tennessee.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Adam Hubler, MDLebanon, TN 370901720668874
  2. Maura Campbell, M.D.Lebanon, TN 370871831202803
  3. Ishita Chen, MDHermitage, TN 370761235669227
  4. Brad Cohen, MDHermitage, TN 370761366510794
  5. Chase EscottFranklin, TN 370671659735298
  6. Steven Goertz, M.D.Franklin, TN 370671295826535
  7. Jeffrey Friedman, M.D., PH.D.Gallatin, TN 370661235427220
  8. Arthur Collie, M.D.Dickson, TN 370551467442210

Common questions

What is Zachary Scott Mayo, MD's NPI number?

Zachary Scott Mayo, MD's National Provider Identifier (NPI) is 1639632839, issued on Apr 13, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Zachary Scott Mayo, MD located?

The NPPES record lists a practice address at 101 Physicians Way Ste 111, Lebanon, TN, 37090. Phone: (615) 235-8700. Providers update this record themselves, so call before visiting.

How can I verify Zachary Scott Mayo, MD's license?

NPPES lists Tennessee license number 70425, 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 Zachary Scott Mayo, MD prescribe under Medicare Part D?

In 2024, Zachary Scott Mayo, MD had 24 Medicare Part D claims for 16 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.