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Surgical Oncology

Michele L. Boyce Ley, MD

Works at hospitals in Tucson, AZ · Arizona

Summary

Dr. Michele L. Boyce Ley, MD is a surgical oncologist at 5240 E Knight Dr, Suite 114, Tucson, AZ 85712. Phone: (520) 605-2778. Accepts Medicare assignment. In 2024, Michele L. Boyce Ley had 92 Original Medicare patients and 356 services. NPI 1003855214. 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: Surgical oncologist (Medicare lists Surgical Oncology)
  • Address: 5240 E Knight Dr, Suite 114, Tucson, AZ 85712 · Directions
  • Phone: (520) 605‑2778
  • Medicare: Accepts Medicare assignment
  • Hospital: Tucson Medical Center
  • Medical school: Saint Louis University School Of Medicine · graduated 2000 (26 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Michele L. Boyce Ley, 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 Michele L. Boyce Ley accept Medicare assignment?
Yes. Medicare's clinician data says Michele L. Boyce Ley 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 Michele L. Boyce Ley see?
In 2024, CMS data shows 92 Original Medicare patients and 356 services for Michele L. Boyce Ley. This counts Original Medicare only and measures volume, not quality.
What is Michele L. Boyce Ley's NPI number?
1003855214. 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 Michele L. Boyce Ley, 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 patients92
Services billed to Medicare356
Different services or procedures35
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)45 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)38 services
  3. Limited ultrasound scan of 1 breast (76642)34 services
  4. Partial removal of breast (19301)31 services
  5. X-ray of surgical specimen (76098)25 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).

  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
  • High cholesterol68%
  • High blood pressure53%
  • Osteoporosis35%
  • Arthritis34%
  • Anxiety23%

Hospitals where Michele L. Boyce Ley works

Medicare's Facility Affiliation Data lists Michele L. Boyce Ley 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.

  • Tucson Medical CenterTucson, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030006

Practice locations

Addresses where Michele L. Boyce Ley is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Surgical Oncology doctors in Arizona →

Other surgical oncologists in Tucson

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

All surgical oncologists in Tucson →

Clinician information

CredentialMD
Medical schoolSaint Louis University School Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003855214
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