Jacqueline A. Fernandez, MD

Medicare activity in 2024

Official CMS public-use data for Jacqueline A. 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.

Most frequent services

1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)744 services
2. Insertion of needle into vein for collection of blood sample (36415)539 services
3. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)516 services
4. Hemoglobin a1c level (83036)473 services
5. Blood test, basic group of blood chemicals (calcium, total) (80048)472 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%
• Diabetes40%
• Arthritis39%
• Ischemic heart disease22%
• Anxiety19%

Hospitals where Jacqueline A. Fernandez works

Medicare's Facility Affiliation Data lists Jacqueline A. 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.

• JFK University Medical CenterEdison, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310108
• Morristown Medical CenterMorristown, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310015
• Overlook Medical CenterSummit, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310051

Practice locations

Addresses where Jacqueline A. Fernandez is enrolled with Medicare (CMS data updated October 2, 2026).

• 2027 Morris AveUnion, NJ 07083 (908) 688‑2480

Group practices

Medicare enrollment lists Jacqueline A. Fernandez as a member of this group (CMS data updated October 2, 2026).

• Union Internal Medicine Group PA2 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in Union

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

• Pranathi R. Mandadi, MD
• Tariq Mahmood, MD
• Clark Philogene, MD
• Walead Latif, MD
• Anna Chernyak, MD
• Leo Menkes, DO
• Nicholas A. Defilippis, MD
• Corina D. Smighelschi, MD

All internal medicine doctors in Union →

Other clinicians in Union Internal Medicine Group PA

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

• Nicholas A. Defilippis, MD

Clinician information

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