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Emergency Medicine

Denise Fernandez, MD

Works at hospitals in New Brunswick, NJ · New Jersey

Summary

Dr. Denise Fernandez, MD is an emergency medicine doctor at 1 Robert Wood Johnson Pl, New Brunswick, NJ 08901. Phone: (732) 828-3000. Accepts Medicare assignment. In 2024, Denise Fernandez had 348 Original Medicare patients and 386 services. NPI 1497070445. 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: 1 Robert Wood Johnson Pl, New Brunswick, NJ 08901 · Directions (2 more locations)
  • Phone: (732) 828‑3000
  • Medicare: Accepts Medicare assignment
  • Hospital: Robert Wood Johnson University Hospital
  • Group practice: RWJBH Observation Associates LLC (+1 more)
  • Medical school: Js Weill Medical College, Cornell University · graduated 2010 (16 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Denise Fernandez, 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 Denise Fernandez accept Medicare assignment?
Yes. Medicare's clinician data says Denise Fernandez 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 Denise Fernandez see?
In 2024, CMS data shows 348 Original Medicare patients and 386 services for Denise Fernandez. This counts Original Medicare only and measures volume, not quality.
What is Denise Fernandez's NPI number?
1497070445. 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 Denise Fernandez, 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 patients348
Services billed to Medicare386
Different services or procedures21
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)247 services
  2. Critical care, first 30-74 minutes (99291)60 services
  3. Emergency department visit with moderate level of medical decision making (99284)26 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)15 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%
  • Arthritis57%
  • Diabetes53%
  • Ischemic heart disease51%
  • Chronic kidney disease40%

Hospitals where Denise Fernandez works

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

Group practices

Medicare enrollment lists Denise Fernandez as a member of these groups (CMS data updated October 2, 2026).

  • RWJBH Observation Associates LLC1,008 clinicians in the group
  • RWJBH Emergency Medicine Associates, LLC848 clinicians in the group

Specialties

Find other Emergency Medicine doctors in New Jersey →

Other emergency medicine doctors in New Brunswick

Clinicians with the same Medicare primary specialty in New Brunswick, NJ — not a recommendation.

All emergency medicine doctors in New Brunswick →

Other clinicians in RWJBH Observation Associates LLC

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

Clinician information

CredentialMD
Medical schoolJs Weill Medical College, Cornell University
Graduation year2010 (16 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1497070445
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