Quick answers
- Does Tarek I. Hassanein accept Medicare assignment?
- Yes. Medicare's clinician data says Tarek I. 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 Tarek I. Hassanein see?
- In 2024, CMS data shows 837 Original Medicare patients and 2,334 services for Tarek I. Hassanein. This counts Original Medicare only and measures volume, not quality.
- What is Tarek I. Hassanein's NPI number?
- 1801854450. 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 Tarek I. 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 patients | 837 |
|---|---|
| Services billed to Medicare | 2,334 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,342 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)227 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)160 services
- Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)138 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)71 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%
- Diabetes48%
- Arthritis46%
- Chronic kidney disease27%
- Ischemic heart disease26%
Hospitals where Tarek I. Hassanein works
Medicare's Facility Affiliation Data lists Tarek I. 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.
- Grossmont HospitalLa Mesa, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050026
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050224
- Scripps Mercy HospitalSan Diego, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050077
- Sharp Chula Vista Medical CenterChula Vista, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050222
- Sharp Coronado Hospital and Healthcare CenterCoronado, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050234
Practice locations
Addresses where Tarek I. Hassanein is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 131 Orange Ave, Suite 101Coronado, CA 92118 (619) 990‑1698
- 14850 Roscoe BlvdPanorama City, CA 91402 (310) 553‑5203
- 2080 Century Park E, Suite 710Los Angeles, CA 90067 (310) 553‑5203
- 2436 Fenton St Bldg, 6 Suite 101Chula Vista, CA 91914 (619) 581‑0509
- 6216 Brockton Ave, Suite 212Riverside, CA 92506 (619) 990‑1698
Group practices
Medicare enrollment lists Tarek I. Hassanein as a member of these groups (CMS data updated October 2, 2026).
- Innovative Medical Solutions Inc a Medical Group37 clinicians in the group
- Southern California Liver Centers Inc7 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Innovative Medical Solutions Inc a Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1976 (50 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1801854450 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians