Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Cardiovascular Disease (Cardiology)

Regis I. Fernandes, MD

Works at hospitals in Glendale, AZ · Chandler, AZ · Scottsdale, AZ … · Arizona

Summary

Dr. Regis I. Fernandes, MD is a cardiologist at 13400 E Shea Blvd, Scottsdale, AZ 85259. Phone: (480) 301-8000. Accepts Medicare assignment. In 2024, Regis I. Fernandes had 1,935 Original Medicare patients and 4,633 services. NPI 1295796894. 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 Regis I. Fernandes, 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 Regis I. Fernandes accept Medicare assignment?
Yes. Medicare's clinician data says Regis I. Fernandes 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 Regis I. Fernandes see?
In 2024, CMS data shows 1,935 Original Medicare patients and 4,633 services for Regis I. Fernandes. This counts Original Medicare only and measures volume, not quality.
What is Regis I. Fernandes's NPI number?
1295796894. 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 Regis I. Fernandes, 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 patients1,935
Services billed to Medicare4,633
Different services or procedures35
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Outpatient heart rehabilitation, qualified health care professional services (93797)1,421 services
  2. Outpatient heart rehabilitation with electrocardiogram (ecg) monitoring, quality health care professional services (93798)803 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)723 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)569 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)131 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%
  • Ischemic heart disease54%
  • Arthritis51%
  • Atrial fibrillation43%
  • Chronic kidney disease38%

Hospitals where Regis I. Fernandes works

Medicare's Facility Affiliation Data lists Regis I. Fernandes 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 Regis I. Fernandes is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Mayo Clinic Arizona1,626 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Arizona →

Other cardiologists in Scottsdale

Clinicians with the same Medicare primary specialty in Scottsdale, AZ — not a recommendation.

All cardiologists in Scottsdale →

Other clinicians in Mayo Clinic Arizona

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

Clinician information

CredentialMD
Graduation year1989 (37 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1295796894
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