Quick answers
- Which hospitals does Mahmoud Houmsse work at?
- Medicare's official clinician data lists Mahmoud Houmsse at 4 hospitals: Lima Memorial Health System, Mary Rutan Hospital, Mercy Health St Ritas Medical Center and Ohio State University State Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mahmoud Houmsse see patients?
- Medicare's clinician data lists 2 practice locations, including Columbus, OH and Lima, OH. Call before your visit to confirm the address.
- What is Mahmoud Houmsse's specialty?
- Medicare lists Cardiac Electrophysiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Mahmoud Houmsse accept Medicare assignment?
- Yes. Medicare's clinician data says Mahmoud Houmsse accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Mahmoud Houmsse offer telehealth?
- Medicare's clinician data says Mahmoud Houmsse offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mahmoud Houmsse?
- (614) 293-8000, as listed in official Medicare / NPI Registry data.
- What is Mahmoud Houmsse's NPI number?
- 1780630129. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mahmoud Houmsse works
Medicare's Facility Affiliation Data lists Mahmoud Houmsse at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lima Memorial Health SystemLima, OH · Acute Care Hospital · CCN 360009
- Mary Rutan HospitalBellefontaine, OH · Acute Care Hospital · CCN 360197
- Mercy Health St Ritas Medical CenterLima, OH · Acute Care Hospital · CCN 360066
- Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · CCN 360085
Practice locations
Addresses where Mahmoud Houmsse is enrolled with Medicare (CMS data updated 2026-10-02).
- 452 W 10th AveColumbus, OH 43210 (614) 293‑8000
- 730 W Market St, Suite 2kLima, OH 45801 (419) 996‑2714
Group practices
Medicare enrollment lists Mahmoud Houmsse as a member of these groups (CMS data updated 2026-10-02).
- OSU Internal Medicine LLC1,161 clinicians in the group
- Mercy Health Physicians Lima Specialty Care LLC253 clinicians in the group
Specialties
Other cardiac electrophysiologists in Columbus
Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1780630129 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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