Ahmad A. Hijazi, DO

Medicare activity in 2024

Official CMS public-use data for Ahmad A. Hijazi, 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. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)212 services
2. Critical care, first 30-74 minutes (99291)35 services
3. Advance care planning, first 30 minutes (99497)12 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%
• Arthritis61%
• Ischemic heart disease58%
• Heart failure49%
• Chronic kidney disease48%

Hospitals where Ahmad A. Hijazi works

Medicare's Facility Affiliation Data lists Ahmad A. Hijazi 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.

• Ascension St John Jane PhillipsBartlesville, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370018
• Ascension St John Medical CenterTulsa, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370114
• Highlands Medical CenterScottsboro, AL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 010061
• Mercy Health - Clermont HospitalBatavia, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360236
• University of MD Shore Medical Center at EastonEaston, MD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 210037

Practice locations

Addresses where Ahmad A. Hijazi is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 22; the Medicare profile lists all.

• 100 Brown StChestertown, MD 21620 (410) 778‑3300
• 100 Hospital RdPrince Frederick, MD 20678 (410) 535‑8344
• 100 Medical Ctr DrSpringfield, OH 45504 (937) 523‑1461
• 1000 W Boise CirBroken Arrow, OK 74012 (918) 994‑8000
• 11711 Livingston RdFort Washington, MD 20744 (301) 203‑2250

Group practices

Medicare enrollment lists Ahmad A. Hijazi as a member of these groups (CMS data updated October 2, 2026).

• Emergency Medicine Associates P.A., P.C.714 clinicians in the group
• Usacs Integrated Acute Care Services of Texas, PLLC387 clinicians in the group
• Usacs Integrated Acute Care Services of Ohio LLC233 clinicians in the group
• Usacs Observation Medicine Services of Oklahoma, LLC210 clinicians in the group
• Usacs Integrated Acute Care Services of Maryland LLC179 clinicians in the group
• Northfield Hospital121 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Maryland →

Other internal medicine doctors in Chestertown

Clinicians with the same Medicare primary specialty in Chestertown, MD — not a recommendation.

• Mohamed M. Mohamed, MD
• Ismael H. Tura, MD
• Betsy M. Eapen, DO
• Gopal Aggarwal, MD
• Laurie Lavery, MD
• Gabriel Sardi, MD
• Deribe Aragaw, MD
• Srilatha Kanumuru, MD

All internal medicine doctors in Chestertown →

Other clinicians in Emergency Medicine Associates P.A., P.C.

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

• Shaun M. Reynolds, MD
• Gashaw Hassen, MD
• Edmund K. Fosu, PA
• Jeremy Sauld, DO
• Adam Richardson
• Eva L. Moses, 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