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Endocrinology

Fernando N. Diaz, MD

Works at hospitals in Fort Lauderdale, FL · Pembroke Pines, FL · Hollywood, FL · Florida

Summary

Dr. Fernando N. Diaz, MD is an endocrinologist at 3990 Sheridan St, Suite 206, Hollywood, FL 33021. Phone: (954) 987-8183. Accepts Medicare assignment. In 2024, Fernando N. Diaz had 230 Original Medicare patients and 1,265 services. NPI 1174699870. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Fernando N. 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 Fernando N. Diaz accept Medicare assignment?
Yes. Medicare's clinician data says Fernando N. 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.
How many Medicare patients does Fernando N. Diaz see?
In 2024, CMS data shows 230 Original Medicare patients and 1,265 services for Fernando N. Diaz. This counts Original Medicare only and measures volume, not quality.
What is Fernando N. Diaz's NPI number?
1174699870. 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 Fernando N. Diaz, 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 patients230
Services billed to Medicare1,265
Different services or procedures18
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)463 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)411 services
  3. Critical care, first 30-74 minutes (99291)139 services
  4. Remote evaluation of recorded video and/or images submitted by an established patient (e.g., store and forward), including interpretation with follow-up with the patient within 24 business hours, not originating from a related e/m service provided within t (G2010)64 services
  5. Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic (G2012)53 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%
  • Diabetes75%
  • Chronic kidney disease57%
  • Ischemic heart disease50%
  • Heart failure44%

Hospitals where Fernando N. Diaz works

Medicare's Facility Affiliation Data lists Fernando N. 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.

Practice locations

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

Specialties

Find other Endocrinology doctors in Florida →

Other endocrinologists in Hollywood

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

All endocrinologists in Hollywood →

Clinician information

CredentialMD
Graduation year1973 (53 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1174699870
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