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Emergency Medicine

Roberto J. Diaz Balzac, MD

Works at hospitals in Orlando, FL · Florida

Summary

Dr. Roberto J. Diaz Balzac, MD is an emergency medicine doctor at 1000 Waterman Way, Emergency Department, Tavares, FL 32778. Phone: (352) 253-3333. Accepts Medicare assignment. In 2024, Roberto J. Diaz Balzac had 297 Original Medicare patients and 475 services. NPI 1831538016. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 1000 Waterman Way, Emergency Department, Tavares, FL 32778 · Directions (1 more location)
  • Phone: (352) 253‑3333
  • Medicare: Accepts Medicare assignment
  • Hospital: AdventHealth Orlando
  • Group practice: Florida Emergency Physicians Kang and Associates MD LLC
  • Medical school: University Of Puerto Rico School Of Medicine · graduated 2013 (13 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Roberto J. Diaz Balzac, 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 Roberto J. Diaz Balzac accept Medicare assignment?
Yes. Medicare's clinician data says Roberto J. Diaz Balzac 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 Roberto J. Diaz Balzac see?
In 2024, CMS data shows 297 Original Medicare patients and 475 services for Roberto J. Diaz Balzac. This counts Original Medicare only and measures volume, not quality.
What is Roberto J. Diaz Balzac's NPI number?
1831538016. 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 Roberto J. Diaz Balzac, 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 patients297
Services billed to Medicare475
Different services or procedures16
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)195 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)138 services
  3. Emergency department visit with moderate level of medical decision making (99284)54 services
  4. Critical care, first 30-74 minutes (99291)54 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 cholesterol75%
  • Arthritis56%
  • Diabetes54%
  • Chronic kidney disease54%
  • Ischemic heart disease51%

Hospitals where Roberto J. Diaz Balzac works

Medicare's Facility Affiliation Data lists Roberto J. Diaz Balzac 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.

  • AdventHealth OrlandoOrlando, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100007

Practice locations

Addresses where Roberto J. Diaz Balzac is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Florida Emergency Physicians Kang and Associates MD LLC337 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Florida →

Other emergency medicine doctors in Tavares

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

All emergency medicine doctors in Tavares →

Other clinicians in Florida Emergency Physicians Kang and Associates MD LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Puerto Rico School Of Medicine
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831538016
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