Zahir N. Ali, MD

Medicare activity in 2024

Official CMS public-use data for Zahir N. Ali, 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 straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)138 services
2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)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 cholesterol74%
• Arthritis58%
• Depression51%
• Anxiety49%
• Heart failure49%

Hospitals where Zahir N. Ali works

Medicare's Facility Affiliation Data lists Zahir N. Ali 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.

• CHRISTUS St Michael Health SystemTexarkana, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450801
• Odessa Regional Medical CenterOdessa, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450661

Practice locations

Addresses where Zahir N. Ali is enrolled with Medicare (CMS data updated October 2, 2026).

• 1000 Pine StTexarkana, TX 75501 (903) 798‑8000
• 1007 S William StAtlanta, TX 75551 (903) 799‑3000

Group practices

Medicare enrollment lists Zahir N. Ali as a member of this group (CMS data updated October 2, 2026).

• North Texas Physician Services, PLLC238 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Texarkana

Clinicians with the same Medicare primary specialty in Texarkana, TX — not a recommendation.

• Maida Faheem, MD
• Deyanira Delgado, MD
• Nathan J. Wright, MD
• James M. Hurley, MD
• Ketan K. Patel, MD
• Gerald J. Akpassa, MD
• Roman Karkee, MD
• Saeem Akhtar, MD

All internal medicine doctors in Texarkana →

Other clinicians in North Texas Physician Services, PLLC

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

• Andrew E. Bentley, MD
• Jessica E. Ugwu, MD
• Maida Faheem, MD
• Andrew Phillpott, DO
• Anil F. Jahoor, DO
• Monica K. Loverdi, 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