NPPES file of Aug 9, 2026

Robert A. Ramirez, D.O.

Medical Oncology Physician · Nashville, TN

Robert A. Ramirez, D.O. is a medical oncology physician with a practice address in Nashville, Tennessee, and NPI 1669665808, issued on Aug 21, 2007. Check the license (Tennessee 1992, 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
1669665808
Name
Robert A. Ramirez
Credential
D.O.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License numbers
1992 TN
DO.000292 LA
Self-reported in NPPES; status is on the state search
Practice location
3601 The Vanderbilt Clinic, Nashville, TN 37232
Phone
(615) 322-3000
Enumerated
Aug 21, 2007
Record last updated
Nov 7, 2023
Medicaid IDs
05721029 MS
2195824 LA
Medicare enrollment
Enrolled (PECOS I20111214000267); accepts Medicare assignment
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 3601 The Vanderbilt Clinic

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

  1. Kristie AamodtPediatric Endocrinology Physician1780115931
  2. Hibo Abdi, APRNGerontology Nurse Practitioner1336761758
  3. Hodan Abdi, NPFamily Nurse Practitioner1710383922
  4. Cecilia Abello, PA-CPhysician Assistant1760336101
  5. Ahad Abid, MDInternal Medicine Physician1316500176
  6. Yara Aboshady, MDObstetrics & Gynecology Physician1558998971

Verify Robert A. Ramirez 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 1992
    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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41% fewer Medicare Part D claims than the average medical oncology physician in 2024

413 Medicare Part D claims for 75 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims. 45 claims were for opioids.

  1. Robert Ramirez413
  2. Specialty average703

Most prescribed

  1. Creon32 claims
  2. Promethazine Hcl22 claims
  3. Oxycodone Hcl21 claims
  4. Ondansetron Hcl20 claims
  5. Tagrisso20 claims
  6. Prochlorperazine Maleate18 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: $31,701.82

39 payments; by number, the most common kind was food and beverage; the largest payer was Exelixis Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Ramirez$31,702
  2. Specialty average$11,773

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. Vanderbilt Health Clinicians, LLCNashville, TN

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

Robert A. Ramirez among 114 medical oncology physician records in Tennessee

Robert A. Ramirez, D.O. is one of 114 medical oncology physician records with a practice address in Tennessee. 82% 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 55% of them.

  • NPI issued2007 · 55% of these records are older, 32% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2004 · median 2000 among the 79 with a school on file
  • Record last updated2023 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in Tennessee

There are 114 medical oncology physician records in Tennessee.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Vandana Abramson, MDNashville, TN 372321154359602
  2. Jordan Berlin, MDNashville, TN 372321275620312
  3. Emily Chan, MD, PHDNashville, TN 372321053495168
  4. Cathy Eng, M.D.Nashville, TN 372321558469767
  5. Michael Gibson, M.D. PHDNashville, TN 372321649217969
  6. Kenneth Hande, MDNashville, TN 372321376642702
  7. Ingrid Mayer, MDNashville, TN 372321871677971
  8. David Morgan, MDNashville, TN 372321710086152

Common questions

What is Robert A. Ramirez, D.O.'s NPI number?

Robert A. Ramirez, D.O.'s National Provider Identifier (NPI) is 1669665808, issued on Aug 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Robert A. Ramirez, D.O. located?

The NPPES record lists a practice address at 3601 The Vanderbilt Clinic, Nashville, TN, 37232. Phone: (615) 322-3000. Providers update this record themselves, so call before visiting.

How can I verify Robert A. Ramirez, D.O.'s license?

NPPES lists Tennessee license number 1992, 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 Robert A. Ramirez, D.O. prescribe under Medicare Part D?

In 2024, Robert A. Ramirez, D.O. had 413 Medicare Part D claims for 75 beneficiaries; the average among medical oncology physician prescribers was 703. 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.