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Hematology/Oncology

Warren Brenner, MD

Works at hospitals in Boca Raton, FL · Delray Beach, FL · Florida

Summary

Warren Brenner, MD (Hematology/Oncology) is listed by Medicare at 2 hospitals in Boca Raton, FL and Delray Beach, FL. NPI 1003865338. 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 Warren Brenner, 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
30Years since medical school (graduated 1996)
MaleGender (as listed)
BRRH Oncology, LLCGroup practice

Quick answers

Which hospitals does Warren Brenner work at?
Medicare's official clinician data lists Warren Brenner at 2 hospitals: Boca Raton Regional Hospital and Delray Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Warren Brenner see patients?
Medicare's clinician data lists 2 practice locations, including Delray Beach, FL and Boca Raton, FL. Call before your visit to confirm the address.
What is Warren Brenner's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Warren Brenner accept Medicare assignment?
Yes. Medicare's clinician data says Warren Brenner 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 Warren Brenner?
(561) 495-8307, as listed in official Medicare / NPI Registry data.
What is Warren Brenner's NPI number?
1003865338. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Warren Brenner works

Medicare's Facility Affiliation Data lists Warren Brenner 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 Warren Brenner is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • BRRH Oncology, LLC29 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Florida →

Other hematologist-oncologists in Delray Beach

Clinicians with the same Medicare primary specialty in Delray Beach, FL — not a recommendation.

All hematologist-oncologists in Delray Beach →

Clinician information

CredentialMD
Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003865338
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