Robert David Schumaker, MD
Hematology & Oncology Physician · Knoxville, TN
Robert David Schumaker, MD is a hematology & oncology physician with a practice address in Knoxville, Tennessee, and NPI 1679573752, issued on Jul 29, 2005. Check the license (Tennessee MD031458, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Robert David Schumaker
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- MD031458 TN
36598 KY
Self-reported in NPPES; status is on the state search - Practice location
- 1415 Old Weisgarber RD Ste 200, Knoxville, TN 37909
- Phone
- (865) 934-5800
- Enumerated
- Jul 29, 2005
- Record last updated
- Apr 21, 2025
- Fax
- (865) 934-5801
- Medicare enrollment
- Enrolled (PECOS I20040712001535); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 1994
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 273 in Tennessee → Look up another NPI →
Also registered at 1415 Old Weisgarber RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Aljadir, M.D.Hematology & Oncology Physician1922201136
- Ashley Bell, FNPFamily Nurse Practitioner1114562782
- Kellie ClaytonFamily Nurse Practitioner1669898433
- Arika Couch, FNPFamily Nurse Practitioner1679045470
- Tracy Dobbs, MDMedical Oncology Physician1104826148
- Sudarshan Doddabele, MDHematology & Oncology Physician1144332495
Verify Robert David Schumaker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD031458Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,036 Medicare Part D claims for 241 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims. 55 claims were for opioids.
Most prescribed
- Anastrozole128 claims
- Letrozole56 claims
- Acyclovir42 claims
- Ondansetron Hcl38 claims
- Eliquis37 claims
- Prochlorperazine Maleate37 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 practice group's MIPS final score for 2023 (Medicare payment program): 76.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,396.29
150 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Tennessee Cancer Specialists PLLCKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert David Schumaker among 273 hematology & oncology physician records in Tennessee
Robert David Schumaker, MD is one of 273 hematology & oncology physician records with a practice address in Tennessee. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1994 · median 2004 among the 223 with a school on file
- Record last updated2025 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Tennessee
There are 273 hematology & oncology physician records in Tennessee.
All 273 in Tennessee → Every provider in Knoxville → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- David Aljadir, M.D.Knoxville, TN 379091922201136
- Raymond Brig, MDKnoxville, TN 379091588664627
- Sudarshan Doddabele, MDKnoxville, TN 379091144332495
- Saji Eapen, MDKnoxville, TN 379091003804204
- Albert Ebenezer, MDKnoxville, TN 379091851387369
- Richard Lee, MDKnoxville, TN 379091316947385
- Brenda Nicholson, MDKnoxville, TN 379091164422655
- Richard Grapski, MDKnoxville, TN 379161679543805
Common questions
What is Robert David Schumaker, MD's NPI number?
Robert David Schumaker, MD's National Provider Identifier (NPI) is 1679573752, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert David Schumaker, MD located?
The NPPES record lists a practice address at 1415 Old Weisgarber RD Ste 200, Knoxville, TN, 37909. Phone: (865) 934-5800. Providers update this record themselves, so call before visiting.
How can I verify Robert David Schumaker, MD's license?
NPPES lists Tennessee license number MD031458, 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 David Schumaker, MD prescribe under Medicare Part D?
In 2024, Robert David Schumaker, MD had 1,036 Medicare Part D claims for 241 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Robert David Schumaker, MD's MIPS final score?
The 2023 MIPS final score is 76.2 of 100, reported for the practice group. 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.