Thatcher Ross Heumann, M.D.
Medical Oncology Physician · Nashville, TN
Thatcher Ross Heumann, M.D. is a medical oncology physician with a practice address in Nashville, Tennessee, and NPI 1649626797, issued on May 9, 2016. Check the license (Tennessee 65517, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Thatcher Ross Heumann
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 65517 TN
Self-reported in NPPES; status is on the state search - Practice location
- 3601 The Vanderbilt Clinic, Nashville, TN 37232
- Phone
- (615) 936-2000
- Enumerated
- May 9, 2016
- Record last updated
- Jun 20, 2025
- Medicare enrollment
- Enrolled (PECOS I20220712000969); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 114 in Tennessee → Look up another NPI →
Also registered at 3601 The Vanderbilt Clinic
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Yara Aboshady, MDObstetrics & Gynecology Physician1558998971
Verify Thatcher Ross Heumann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 65517Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average medical oncology physician in 2024
225 Medicare Part D claims for 49 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 35 claims were for opioids.
Most prescribed
- Oxycodone Hcl26 claims
- Eliquis18 claims
- Prochlorperazine Maleate18 claims
- Ondansetron Hcl17 claims
- Lenvima13 claims
- Olanzapine13 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.
The MIPS final score for 2023 (Medicare payment program): 97.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Vanderbilt Health Clinicians, LLCNashville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thatcher Ross Heumann among 114 medical oncology physician records in Tennessee
Thatcher Ross Heumann, M.D. 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 2016, is newer than 88% of them.
- NPI issued2016 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2016 · median 2000 among the 79 with a school on file
- Record last updated2025 · 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.
All 114 in Tennessee → Every provider in Nashville → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Vandana Abramson, MDNashville, TN 372321154359602
- Jordan Berlin, MDNashville, TN 372321275620312
- Emily Chan, MD, PHDNashville, TN 372321053495168
- Cathy Eng, M.D.Nashville, TN 372321558469767
- Michael Gibson, M.D. PHDNashville, TN 372321649217969
- Kenneth Hande, MDNashville, TN 372321376642702
- Ingrid Mayer, MDNashville, TN 372321871677971
- David Morgan, MDNashville, TN 372321710086152
Common questions
What is Thatcher Ross Heumann, M.D.'s NPI number?
Thatcher Ross Heumann, M.D.'s National Provider Identifier (NPI) is 1649626797, issued on May 9, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Thatcher Ross Heumann, M.D. located?
The NPPES record lists a practice address at 3601 The Vanderbilt Clinic, Nashville, TN, 37232. Phone: (615) 936-2000. Providers update this record themselves, so call before visiting.
How can I verify Thatcher Ross Heumann, M.D.'s license?
NPPES lists Tennessee license number 65517, 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 Thatcher Ross Heumann, M.D. prescribe under Medicare Part D?
In 2024, Thatcher Ross Heumann, M.D. had 225 Medicare Part D claims for 49 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Thatcher Ross Heumann, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.