Mohamed E. Zein Ahmed, MD

Medicare activity in 2024

Official CMS public-use data for Mohamed E. Zein Ahmed, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)475 services
2. Hospital discharge day management, 30 minutes or less (99238)132 services
3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)73 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%
• Diabetes55%
• Chronic kidney disease54%
• Arthritis53%
• Heart failure51%

Hospitals where Mohamed E. Zein Ahmed works

Medicare's Facility Affiliation Data lists Mohamed E. Zein Ahmed 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.

• Merit Health CentralJackson, MS · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 250072
• Merit Health River RegionVicksburg, MS · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 250031

Practice locations

Addresses where Mohamed E. Zein Ahmed is enrolled with Medicare (CMS data updated October 2, 2026).

• 1850 Chadwick DrJackson, MS 39204 (601) 376‑2832
• 2100 Hwy 61 NVicksburg, MS 39183 (601) 883‑5001

Group practices

Medicare enrollment lists Mohamed E. Zein Ahmed as a member of these groups (CMS data updated October 2, 2026).

• Mississippi Hma Hospitalists LLC52 clinicians in the group
• Vicksburg Healthcare LLC9 clinicians in the group

Specialties

• Internal Medicineprimary
• Emergency Medicinealso

Find other Internal Medicine doctors in Mississippi →

Other internal medicine doctors in Jackson

Clinicians with the same Medicare primary specialty in Jackson, MS — not a recommendation.

• Jaslyn L. Paschal, MD
• Katrina L. Johnson, MD
• Rola Karam, MD
• Evan Ciarloni, MD
• David Flemming, MD
• Kevin A. Heintzelman, DO
• Denise L. Harkins, MD
• Jonathan D. Reves

All internal medicine doctors in Jackson →

Other clinicians in Mississippi Hma Hospitalists LLC

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

• Dominic A. Jaeger, MD
• Carter L. Watters, MD
• Courtney Mangum, MD
• Joshua C. Williams, MD
• Taylor S. Pruett, MD
• Paul C. Alleyne, 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