Christina Arellano, MD

Medicare activity in 2024

Official CMS public-use data for Christina Arellano, 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 moderate level of decision making, if using time, 30 minutes or more (99214)334 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)202 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)104 services
4. Hemoglobin a1c level (83036)21 services
5. Admn sarscov2 vacc 1 dose (90480)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%
• Arthritis46%
• Diabetes39%
• Chronic kidney disease20%
• Depression18%

Hospitals where Christina Arellano works

Medicare's Facility Affiliation Data lists Christina Arellano 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.

• Loyola University Medical CenterMaywood, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140276
• MacNeal HospitalBerwyn, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140054

Practice locations

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

• 2160 S 1st AveMaywood, IL 60153 (708) 216‑8372

Group practices

Medicare enrollment lists Christina Arellano as a member of this group (CMS data updated October 2, 2026).

• Loyola University Medical Center953 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Illinois →

Other family doctors in Maywood

Clinicians with the same Medicare primary specialty in Maywood, IL — not a recommendation.

• Belinda Serrano, MD
• Dionna L. Lomax, MD
• James M. Winger, MD
• Victoria Linares, MD
• Adele A. Castaldi, DO
• Steve L. Andrews, MD
• Colleen T. Keleher, MD
• Andrew M. Burns

All family doctors in Maywood →

Other clinicians in Loyola University Medical Center

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

• Osama Elkelany
• Roshni A. Vasaiwala, MD
• Elizabeth Tetteh, MD
• Belinda Serrano, MD
• Sean M. Forsythe, MD
• Chantal Reyna

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