Mahad M. Hassan, MD

Medicare activity in 2024

Official CMS public-use data for Mahad M. Hassan, 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.

Hospitals where Mahad M. Hassan works

Medicare's Facility Affiliation Data lists Mahad M. 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.

• Park Nicollet Methodist HospitalSaint Louis Park, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240053
• Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050262

Practice locations

Addresses where Mahad M. Hassan is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

• 100 Medical Plaza, Suite 170Los Angeles, CA 90095 (310) 319‑1234
• 1225 15th St, Suite 2100Santa Monica, CA 90404 (310) 319‑1234
• 1250 16th StSanta Monica, CA 90404
• 435 Phalen BlvdSaint Paul, MN 55130 (651) 291‑2848
• 757 Westwood PlzLos Angeles, CA 90095 (310) 825‑9111

Group practices

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

• Group Health Inc1,638 clinicians in the group
• Tria Orthopaedic Center LLC515 clinicians in the group
• Regents of the University of California70 clinicians in the group

Specialties

• Orthopedic Surgeryprimary

Find other Orthopedic Surgery doctors in California →

Other orthopedic surgeons in Los Angeles

Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.

• Monti Khatod, MD
• Farshid F. Hekmat, MD
• Madeline S. Tiee, MD
• Alexander B. Peterson, MD
• Jeffrey Kessler, MD
• Michael L. Pearl, MD
• Brian K. Hutchinson, MD
• Michael J. Lim, MD

All orthopedic surgeons in Los Angeles →

Other clinicians in Group Health Inc

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

• Zeke J. McKinney, MD
• Elenor Brown, PA
• Kefeng Gu, MD
• Anne E. Hinz, MD
• Sara Holden, MD
• Lindsey E. Klocke, 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