David Louis Schwartz, M.D.
Radiation Oncology Physician · Memphis, TN
David Louis Schwartz, M.D. is a radiation oncology physician with a practice address in Memphis, Tennessee, and NPI 1922104157, issued on Sep 15, 2006. Check the license (Tennessee 54668, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- David Louis Schwartz
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 54668 TN
24846 MS
Self-reported in NPPES; status is on the state search - Practice location
- 6019 Walnut Grove RD, Memphis, TN 38120
- Phone
- (901) 226-0340
- Enumerated
- Sep 15, 2006
- Record last updated
- Apr 17, 2025
- Fax
- (901) 226-0349
- Medicaid IDs
- 00620760 MS
Q024892 TN - Medicare enrollment
- Enrolled (PECOS I20160927000148); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 132 in Tennessee → Look up another NPI →
Also registered at 6019 Walnut Grove RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Louis Schwartz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 54668Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average radiation oncology physician in 2024
35 Medicare Part D claims for 19 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen12 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): 76.5 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).
Bills Medicare through one group practice
- Memphis Radiological PCMemphis, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Louis Schwartz among 132 radiation oncology physician records in Tennessee
David Louis Schwartz, 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 53% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1994 · median 2005 among the 98 with a school on file
- Record last updated2025 · 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.
All 132 in Tennessee → Every provider in Memphis → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Matthew Ballo, M.D.Memphis, TN 381201013017094
- Shelby Lane, MDMemphis, TN 381201457814774
- Rameses Sroufe, MDMemphis, TN 381201598956641
- Michael Tomblyn, MDMemphis, TN 381201083758544
- Angela Wortham, MDMemphis, TN 381201396941449
- Matthew Krasin, MDMemphis, TN 381051972506046
- John Lucas, MDMemphis, TN 381051902127269
- Thomas Merchant, DOMemphis, TN 381051518960392
Common questions
What is David Louis Schwartz, M.D.'s NPI number?
David Louis Schwartz, M.D.'s National Provider Identifier (NPI) is 1922104157, issued on Sep 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Louis Schwartz, M.D. located?
The NPPES record lists a practice address at 6019 Walnut Grove RD, Memphis, TN, 38120. Phone: (901) 226-0340. Providers update this record themselves, so call before visiting.
How can I verify David Louis Schwartz, M.D.'s license?
NPPES lists Tennessee license number 54668, 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 David Louis Schwartz, M.D. prescribe under Medicare Part D?
In 2024, David Louis Schwartz, M.D. had 35 Medicare Part D claims for 19 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is David Louis Schwartz, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.5 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.