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

Hematology/Oncology

Oluseyi B. Abidoye, MD

Works at hospitals in Phoenix, AZ · Arizona

Summary

Dr. Oluseyi B. Abidoye, MD is a hematologist-oncologist at 13400 E Shea Blvd, Scottsdale, AZ 85259. Phone: (480) 301-8000. Accepts Medicare assignment. In 2024, Oluseyi B. Abidoye had 18 Original Medicare patients and 30 services. NPI 1780211029. 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.

  • Specialty: Hematologist-oncologist (Medicare lists Hematology/Oncology)
  • Address: 13400 E Shea Blvd, Scottsdale, AZ 85259 · Directions (4 more locations)
  • Phone: (480) 301‑8000
  • Medicare: Accepts Medicare assignment
  • Hospital: Mayo Clinic Hospital
  • Group practice: Mayo Clinic Arizona
  • Medical school: graduated 2010 (16 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Oluseyi B. Abidoye, 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 Oluseyi B. Abidoye accept Medicare assignment?
Yes. Medicare's clinician data says Oluseyi B. Abidoye 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 Oluseyi B. Abidoye see?
In 2024, CMS data shows 18 Original Medicare patients and 30 services for Oluseyi B. Abidoye. This counts Original Medicare only and measures volume, not quality.
What is Oluseyi B. Abidoye's NPI number?
1780211029. 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 Oluseyi B. Abidoye, 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 patients18
Services billed to Medicare30
Different services or procedures4
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)20 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 cholesterol72%

Hospitals where Oluseyi B. Abidoye works

Medicare's Facility Affiliation Data lists Oluseyi B. Abidoye 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.

  • Mayo Clinic HospitalPhoenix, AZ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 030103

Practice locations

Addresses where Oluseyi B. Abidoye is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Oluseyi B. Abidoye as a member of this group (CMS data updated October 2, 2026).

  • Mayo Clinic Arizona1,626 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Arizona →

Other hematologist-oncologists in Scottsdale

Clinicians with the same Medicare primary specialty in Scottsdale, AZ — not a recommendation.

All hematologist-oncologists in Scottsdale →

Other clinicians in Mayo Clinic Arizona

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

Clinician information

CredentialMD
Graduation year2010 (16 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780211029
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