Mariam H. Hassan, MD

Hospitals where Mariam H. Hassan works

Medicare's Facility Affiliation Data lists Mariam H. Hassan 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.

• Memorial Hermann Katy HospitalKaty, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450847
• ProMedica Monroe Regional HospitalMonroe, MI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 230099

Practice locations

Addresses where Mariam H. Hassan is enrolled with Medicare (CMS data updated October 2, 2026).

• 23900 Katy FwyKaty, TX 77494 (281) 644‑8111
• 718 N Macomb StMonroe, MI 48162 (734) 240‑8987
• 915 Gessner Rd, Suite 100Houston, TX 77024 (713) 242‑2222

Group practices

Medicare enrollment lists Mariam H. Hassan as a member of these groups (CMS data updated October 2, 2026).

• Memorial Hermann Medical Group762 clinicians in the group
• ProMedica Monroe Physicians65 clinicians in the group

Specialties

• Internal Medicineprimary
• Hospitalistalso

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Katy

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

• Syed V. Ahmed, MD
• Brenda L. Wainscott, MD
• Sarwat Makkani, DO
• Cynthia L. Cotton, MD
• Tewodros W. Teketel, MD
• Syed T. Jafri, MD
• Brian Nguyen, DO
• Kavita S. Patel, MD

All internal medicine doctors in Katy →

Other clinicians in Memorial Hermann Medical Group

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

• Daniel Tran, DO
• Oluwatoni A. Okuboyejo, MD
• Lindsay R. Stoops, DO
• Benjamin Phan, MD
• Syed A. Sherazi, MD
• Sunil Movva, 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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
5. Medicare Care Compare — official Medicare tool to look up clinicians