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Internal Medicine

Neisa I. Diaz, MD

Works at hospitals in Tampa, FL · Florida

Summary

Dr. Neisa I. Diaz, MD is an internal medicine doctor at 14801 Bruce B Downs Blvd, Tampa, FL 33613. Phone: (813) 941-4400. Accepts Medicare assignment. NPI 1033240510. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 14801 Bruce B Downs Blvd, Tampa, FL 33613 · Directions
  • Phone: (813) 941‑4400
  • Medicare: Accepts Medicare assignment
  • Hospital: St Josephs Hospital
  • Group practice: Invictus Equity Group, LLC
  • Medical school: Ponce School Of Medicine · graduated 2001 (25 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Neisa I. Diaz, 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 Neisa I. Diaz accept Medicare assignment?
Yes. Medicare's clinician data says Neisa I. Diaz 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.
What is Neisa I. Diaz's NPI number?
1033240510. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Neisa I. Diaz works

Medicare's Facility Affiliation Data lists Neisa I. Diaz 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.

  • St Josephs HospitalTampa, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100075

Practice locations

Addresses where Neisa I. Diaz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Neisa I. Diaz as a member of this group (CMS data updated October 2, 2026).

  • Invictus Equity Group, LLC4 clinicians in the group

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in Tampa

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

All internal medicine doctors in Tampa →

Other clinicians in Invictus Equity Group, LLC

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

Clinician information

CredentialMD
Medical schoolPonce School Of Medicine
Graduation year2001 (25 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1033240510
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians