Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Hematology/Oncology

Samuel G. Adediran, MD

Works at hospitals in Gaffney, SC · Greer, SC · Spartanburg, SC … · South Carolina

Summary

Dr. Samuel G. Adediran, MD is a hematologist-oncologist at 101 E Wood St, Spartanburg, SC 29303. Phone: (864) 560-1576. Accepts Medicare assignment. In 2024, Samuel G. Adediran had 378 Original Medicare patients and 9,121 services. NPI 1811259096. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Samuel G. Adediran, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Samuel G. Adediran accept Medicare assignment?
Yes. Medicare's clinician data says Samuel G. Adediran accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Samuel G. Adediran see?
In 2024, CMS data shows 378 Original Medicare patients and 9,121 services for Samuel G. Adediran. This counts Original Medicare only and measures volume, not quality.
What is Samuel G. Adediran's NPI number?
1811259096. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Samuel G. Adediran, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients378
Services billed to Medicare9,121
Different services or procedures65
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)490 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)339 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)134 services
  4. Insertion of needle into vein for collection of blood sample (36415)121 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)15 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis43%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)42%
  • Diabetes40%
  • Chronic kidney disease40%

Hospitals where Samuel G. Adediran works

Medicare's Facility Affiliation Data lists Samuel G. Adediran at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Cherokee Medical CenterGaffney, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420043
  • Pelham Medical CenterGreer, SC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 420103
  • Spartanburg Medical CenterSpartanburg, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420007
  • Union Medical CenterUnion, SC · Acute Care Hospital · Emergency services: listed by Medicare · CCN 420108

Practice locations

Addresses where Samuel G. Adediran is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Samuel G. Adediran as a member of this group (CMS data updated October 2, 2026).

  • Spartanburg Medical Center1,078 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in South Carolina →

Other hematologist-oncologists in Spartanburg

Clinicians with the same Medicare primary specialty in Spartanburg, SC — not a recommendation.

All hematologist-oncologists in Spartanburg →

Other clinicians in Spartanburg Medical Center

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolWright State University Boonshoft School Of Medicine
Graduation year2012 (14 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811259096
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians