Zahirul Haque, MD

Medicare activity in 2024

Official CMS public-use data for Zahirul Haque, 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)1,477 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)1,193 services
3. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)431 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)252 services
5. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)112 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%
• Arthritis71%
• Depression59%
• Anxiety57%
• Diabetes51%

Hospitals where Zahirul Haque works

Medicare's Facility Affiliation Data lists Zahirul Haque 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.

• Christian Hospital NortheastSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260180
• Community Hospital of StauntonStaunton, IL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 141306
• Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260108

Practice locations

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

• 4 Clayton Court DrSaint Louis, MO 63131 (314) 368‑3422

Specialties

• Internal Medicineprimary
• Geriatric Medicinealso

Find other Internal Medicine doctors in Missouri →

Other internal medicine doctors in Saint Louis

Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.

• Kevin B. Stephenson, MD
• Airton C. Pinheiro De Menezes, MD
• Lovepreet S. Randhawa, MD
• Thishara Merza, MD
• James G. Avery, MD
• Braden F. Deloach, DO
• Qianfang Cai, MD
• Moyosore K. Onifade, MD

All internal medicine doctors in Saint Louis →

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