NPPES file of Aug 9, 2026

Eleanor Marshall Osborne, M.D.

Radiation Oncology Physician · Nashville, TN

Eleanor Marshall Osborne, M.D. is a radiation oncology physician with a practice address in Nashville, Tennessee, and NPI 1154687499, issued on Apr 11, 2012. Check the license (Tennessee 55483, 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
1154687499
Name
Eleanor Marshall Osborne
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
55483 TN
Self-reported in NPPES; status is on the state search
Practice location
2410 Patterson St, Nashville, TN 37203
Phone
(615) 342-4850
Enumerated
Apr 11, 2012
Record last updated
Apr 10, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(615) 342-4901
Medicaid IDs
7100472420 KY
Q028324 TN
Medicare enrollment
Enrolled (PECOS I20170802002790); accepts Medicare assignment
Medical or professional school
Stanford University School Of Medicine, 2012
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 2410 Patterson St

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

  1. Linda Anderson, NPFamily Nurse Practitioner1912992926
  2. Earl Campbell, M.D.Pulmonary Disease Physician1821066341
  3. Gina Chandler, MDCardiovascular Disease Physician1093706962
  4. Nicholas Cheesman, PT, DPTPhysical Therapist1710717038
  5. Olaniyi Ekundayo, PMHNPPsychiatric/Mental Health Nurse Practitioner1124732128
  6. Kelsey Ellis, FNP-CFamily Nurse Practitioner1336602150

Verify Eleanor Marshall Osborne 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 55483
    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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43% fewer Medicare Part D claims than the average radiation oncology physician in 2024

77 Medicare Part D claims for 43 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Eleanor Osborne77
  2. Specialty average134

Most prescribed

  1. Mometasone Furoate30 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.

Bills Medicare through 2 group practices

  1. Lebanon Radiation Oncology Center, LLCLebanon, TN
  2. Tennessee Oncology PLLCNashville, TN

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

Eleanor Marshall Osborne among 132 radiation oncology physician records in Tennessee

Eleanor Marshall Osborne, M.D. 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 2012, is newer than 73% of them.

  • NPI issued2012 · 73% of these records are older, 25% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2012 · median 2005 among the 98 with a school on file
  • Record last updated2018 · 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. Katherine Castle, M.D.Nashville, TN 372031336561539
  2. James Gray, M.D.Nashville, TN 372031841219938
  3. Julian Heitz, MDNashville, TN 372031437133139
  4. Andrew Kennedy, MDNashville, TN 372031467491019
  5. Casey Lipscomb, MDNashville, TN 372031861609331
  6. Mark Sittig, MDNashville, TN 372031275951519
  7. Scott Strickler, MDNashville, TN 372031043744477
  8. Marion Bolin, M.D.Nashville, TN 372051952330672

Common questions

What is Eleanor Marshall Osborne, M.D.'s NPI number?

Eleanor Marshall Osborne, M.D.'s National Provider Identifier (NPI) is 1154687499, issued on Apr 11, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Eleanor Marshall Osborne, M.D. located?

The NPPES record lists a practice address at 2410 Patterson St, Nashville, TN, 37203. Phone: (615) 342-4850. Providers update this record themselves, so call before visiting.

How can I verify Eleanor Marshall Osborne, M.D.'s license?

NPPES lists Tennessee license number 55483, 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 Eleanor Marshall Osborne, M.D. prescribe under Medicare Part D?

In 2024, Eleanor Marshall Osborne, M.D. had 77 Medicare Part D claims for 43 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.