Christina Hajicharalambous, DO

Medicare activity in 2024

Official CMS public-use data for Christina Hajicharalambous, 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. Emergency department visit with high level of medical decision making (99285)199 services
2. Critical care, first 30-74 minutes (99291)46 services
3. Emergency department visit with moderate level of medical decision making (99284)26 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%
• Ischemic heart disease56%
• Anxiety45%
• Diabetes44%

Hospitals where Christina Hajicharalambous works

Medicare's Facility Affiliation Data lists Christina Hajicharalambous 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.

• Hackensack University Medical CenterHackensack, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310001

Practice locations

Addresses where Christina Hajicharalambous is enrolled with Medicare (CMS data updated October 2, 2026).

• 30 Prospect AveHackensack, NJ 07601 (551) 996‑3547

Group practices

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

• Hackensack Meridian Health Medical Group - Specialty Care PC1,922 clinicians in the group
• Hackensack Meridian Health Medical Group - Primary Care PC358 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in New Jersey →

Other emergency medicine doctors in Hackensack

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

• Avital Bauman, MD
• Michael Quinn, DO
• Andrew M. Amaranto, MD
• Kristopher Bianconi, MD
• Jonathon Haverty, DO
• Suhail Kaleem, MD
• Rebecca M. White, MD
• Melissa Luu, MD

All emergency medicine doctors in Hackensack →

Other clinicians in Hackensack Meridian Health Medical Group - Specialty Care PC

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

• Maya Madhavan, MD
• Sarina M. Keogh, PA
• Michael Silverberg, MD
• Mary K. Brighton, MNT
• Mitchel B. Alpert, MD
• Sorleny Restrepo, NP

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