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Hematology/Oncology

Michael Diaz, MD

Works at hospitals in Saint Petersburg, FL · Tampa, FL · Florida

Summary

Michael Diaz, MD (Hematology/Oncology) is listed by Medicare at 5 hospitals in Saint Petersburg, FL and Tampa, FL. NPI 1871574186. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael Diaz, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
University Of Kentucky College Of MedicineMedical school
MaleGender (as listed)
Florida Cancer Specialists and Research Institute, LLCGroup practice

Quick answers

Which hospitals does Michael Diaz work at?
Medicare's official clinician data lists Michael Diaz at 5 hospitals: HCA Florida Northside Hospital, HCA Florida St Petersburg Hospital, Orlando Health Bayfront Hospital, St Anthonys Hospital and St Josephs Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael Diaz see patients?
Medicare's clinician data lists 1 practice location in St Petersburg, FL. Call before your visit to confirm the address.
What is Michael Diaz's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
Does Michael Diaz accept Medicare assignment?
Yes. Medicare's clinician data says Michael Diaz accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Michael Diaz?
(727) 821-0017, as listed in official Medicare / NPI Registry data.
What is Michael Diaz's NPI number?
1871574186. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael Diaz works

Medicare's Facility Affiliation Data lists Michael Diaz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Michael Diaz is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael Diaz as a member of this group (CMS data updated 2026-10-02).

  • Florida Cancer Specialists and Research Institute, LLC498 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Florida →

Other hematologist-oncologists in St Petersburg

Clinicians with the same Medicare primary specialty in St Petersburg, FL — not a recommendation.

All hematologist-oncologists in St Petersburg →

Clinician information

CredentialMD
Medical schoolUniversity Of Kentucky College Of Medicine
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871574186
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians