Quick answers
- Which hospitals does Assem Houssein work at?
- Medicare's official clinician data lists Assem Houssein at 4 hospitals: Fairfield Medical Center, Hocking Valley Community Hospital, Mount Carmel East & West and OhioHealth O'Bleness Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Assem Houssein see patients?
- Medicare's clinician data lists 2 practice locations, including Lancaster, OH. Call before your visit to confirm the address.
- What is Assem Houssein's specialty?
- Medicare lists Endocrinology as the primary specialty.
- Does Assem Houssein accept Medicare assignment?
- Yes. Medicare's clinician data says Assem Houssein 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.
- What is the phone number for Assem Houssein?
- (740) 689-6710, as listed in official Medicare / NPI Registry data.
- What is Assem Houssein's NPI number?
- 1700865722. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Assem Houssein works
Medicare's Facility Affiliation Data lists Assem Houssein at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Fairfield Medical CenterLancaster, OH · Acute Care Hospital · CCN 360072
- Hocking Valley Community HospitalLogan, OH · Critical Access Hospital · CCN 361330
- Mount Carmel East & WestColumbus, OH · Acute Care Hospital · CCN 360035
- OhioHealth O'Bleness HospitalAthens, OH · Acute Care Hospital · CCN 360014
Practice locations
Addresses where Assem Houssein is enrolled with Medicare (CMS data updated 2026-10-02).
- 2405 N Columbus StLancaster, OH 43130 (740) 689‑6710
- 2405 N Columbus St, Suite 110Lancaster, OH 43130 (740) 689‑6710
Specialties
- Endocrinologyprimary
Other endocrinologists in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700865722 |
| 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