Quick answers
- Does Mohamad H. El Zein accept Medicare assignment?
- Yes. Medicare's clinician data says Mohamad H. El Zein 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 Mohamad H. El Zein see?
- In 2024, CMS data shows 217 Original Medicare patients and 411 services for Mohamad H. El Zein. This counts Original Medicare only and measures volume, not quality.
- What is Mohamad H. El Zein's NPI number?
- 1861874455. 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 Mohamad H. El Zein, 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 | 217 |
|---|---|
| Services billed to Medicare | 411 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)75 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)59 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)41 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)40 services
- Biopsy of large bowel using a flexible endoscope (45380)38 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%
- Arthritis47%
- Diabetes36%
- Ischemic heart disease33%
- Anxiety30%
Hospitals where Mohamad H. El Zein works
Medicare's Facility Affiliation Data lists Mohamad H. El Zein 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.
- Bay Park Community HospitalOregon, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360259
- Memorial HospitalFremont, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 360156
- ProMedica Toledo HospitalToledo, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360068
- Wesley Medical CenterWichita, KS · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 170123
Practice locations
Addresses where Mohamad H. El Zein is enrolled with Medicare (CMS data updated October 2, 2026).
- 2751 Bay Park DrOregon, OH 43616
- 2801 Bay Park DrOregon, OH 43616 (419) 690‑7709
- 2901 N Reynolds RdToledo, OH 43606 (419) 578‑7700
- 5700 Monroe StSylvania, OH 43560 (567) 585‑0005
Group practices
Medicare enrollment lists Mohamad H. El Zein as a member of this group (CMS data updated October 2, 2026).
- ProMedica Central Physicians785 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Oregon
Clinicians with the same Medicare primary specialty in Oregon, OH — not a recommendation.
Other clinicians in ProMedica Central Physicians
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861874455 |
| 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