Samuel J. Riney, M.D.
Hematology & Oncology Physician · Memphis, TN
Samuel J. Riney, M.D. is a hematology & oncology physician with a practice address in Memphis, Tennessee, and NPI 1619397346, issued on Apr 21, 2014. Check the license (Tennessee 61622, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Samuel J. Riney
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 61622 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1265 Union Avenue, Memphis, TN 38104
- Phone
- (901) 478-2400
- Enumerated
- Apr 21, 2014
- Record last updated
- May 27, 2025
- Fax
- (901) 478-2220
- Medicare enrollment
- Enrolled (PECOS I20200824003664); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 273 in Tennessee → Look up another NPI →
Also registered at 1265 Union Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lora Ramsey, FNPFamily Nurse Practitioner1336607720
- Brion Randolph, MDHematology & Oncology Physician1316148547
- James Roberts, FNP-BCFamily Nurse Practitioner1730468273
- Natasha Waldon-Turner, NPAcute Care Nurse Practitioner1427604164
- Hui Zhang, MDHematology & Oncology Physician1306086632
Verify Samuel J. Riney in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 61622Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,026 Medicare Part D claims for 169 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 274 claims were for opioids.
Most prescribed
- Oxycodone Hcl155 claims
- Oxycodone-Acetaminophen66 claims
- Letrozole55 claims
- Ondansetron Odt54 claims
- Anastrozole46 claims
- Eliquis30 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): 81.5 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).
Industry payments in 2024: $515.31
4 payments; by number, the most common kind was food and beverage; the largest payer was Myriad Genetic Laboratories, Inc. 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
- UT Methodist Physicians LLCMemphis, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Samuel J. Riney among 273 hematology & oncology physician records in Tennessee
Samuel J. Riney, M.D. 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 2014, is newer than 82% of them.
- NPI issued2014 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2014 · 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 Memphis → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Kenneth Ataga, MDMemphis, TN 381041306886825
- Saurin ChokshiMemphis, TN 381041043576952
- Kaweeta Kumar, MDMemphis, TN 381041033421417
- Andrew Liman, MDMemphis, TN 381041679534473
- Ngan Nguyen, D.O.Memphis, TN 381041407388010
- Donna Przepiorka, MD, PHDMemphis, TN 381041265424659
- Brion Randolph, MDMemphis, TN 381041316148547
- Jarvis Reed, MDMemphis, TN 381041326070277
Common questions
What is Samuel J. Riney, M.D.'s NPI number?
Samuel J. Riney, M.D.'s National Provider Identifier (NPI) is 1619397346, issued on Apr 21, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Samuel J. Riney, M.D. located?
The NPPES record lists a practice address at 1265 Union Avenue, Memphis, TN, 38104. Phone: (901) 478-2400. Providers update this record themselves, so call before visiting.
How can I verify Samuel J. Riney, M.D.'s license?
NPPES lists Tennessee license number 61622, 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 Samuel J. Riney, M.D. prescribe under Medicare Part D?
In 2024, Samuel J. Riney, M.D. had 1,026 Medicare Part D claims for 169 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Samuel J. Riney, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.5 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.