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Cardiac Surgery

Mohamed T. Hassanein, MD

Works at hospitals in San Diego, CA · California

Summary

Dr. Mohamed T. Hassanein, MD is a cardiac surgeon at 8008 Frost St, Suite 300, San Diego, CA 92123. Phone: (858) 939-7471. Accepts Medicare assignment. In 2024, Mohamed T. Hassanein had 74 Original Medicare patients and 195 services. NPI 1326434655. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Cardiac surgeon (Medicare lists Cardiac Surgery)
  • Address: 8008 Frost St, Suite 300, San Diego, CA 92123 · Directions
  • Phone: (858) 939‑7471
  • Medicare: Accepts Medicare assignment
  • Hospital: Sharp Memorial Hospital
  • Group practice: San Diego Cardiovascular and Thoracic Surgeons Inc
  • Medical school: graduated 2015 (11 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Mohamed T. Hassanein, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Mohamed T. Hassanein accept Medicare assignment?
Yes. Medicare's clinician data says Mohamed T. Hassanein accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Mohamed T. Hassanein see?
In 2024, CMS data shows 74 Original Medicare patients and 195 services for Mohamed T. Hassanein. This counts Original Medicare only and measures volume, not quality.
What is Mohamed T. Hassanein's NPI number?
1326434655. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Mohamed T. Hassanein, 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.

Original Medicare patients74
Services billed to Medicare195
Different services or procedures50
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Replacement of aortic valve through the skin and femoral artery (33361)18 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)15 services
  3. Exclusion of appendage of left upper chamber of heart performed during other procedure on chest (33268)14 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%
  • Ischemic heart disease75%
  • Heart failure75%
  • Atrial fibrillation55%
  • Diabetes54%

Hospitals where Mohamed T. Hassanein works

Medicare's Facility Affiliation Data lists Mohamed T. Hassanein 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.

Practice locations

Addresses where Mohamed T. Hassanein is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mohamed T. Hassanein as a member of this group (CMS data updated October 2, 2026).

  • San Diego Cardiovascular and Thoracic Surgeons Inc14 clinicians in the group

Specialties

Find other Cardiac Surgery doctors in California →

Other cardiac surgeons in San Diego

Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.

All cardiac surgeons in San Diego →

Other clinicians in San Diego Cardiovascular and Thoracic Surgeons Inc

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

Clinician information

CredentialMD
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326434655
CorrectionsReport an error or suggest an update →

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