Quick answers
- Which hospitals does Stephen P. Cassis work at?
- Medicare's official clinician data lists Stephen P. Cassis at 5 hospitals: Boone Memorial Hospital, Camc Charleston Surgical Hospital, Charleston Area Medical Center, Roane General Hospital and Thomas Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen P. Cassis see patients?
- Medicare's clinician data lists 4 practice locations, including Spencer, WV, Charleston, WV and Madison, WV. Call before your visit to confirm the address.
- What is Stephen P. Cassis's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Stephen P. Cassis accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen P. Cassis 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 Stephen P. Cassis?
- (304) 927-6267, as listed in official Medicare / NPI Registry data.
- What is Stephen P. Cassis's NPI number?
- 1093709289. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen P. Cassis works
Medicare's Facility Affiliation Data lists Stephen P. Cassis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Boone Memorial HospitalMadison, WV · Critical Access Hospital · CCN 511313
- Camc Charleston Surgical HospitalCharleston, WV · Acute Care Hospital · CCN 510091
- Charleston Area Medical CenterCharleston, WV · Acute Care Hospital · CCN 510022
- Roane General HospitalSpencer, WV · Critical Access Hospital · CCN 511306
- Thomas Memorial HospitalSouth Charleston, WV · Acute Care Hospital · CCN 510029
Practice locations
Addresses where Stephen P. Cassis is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 Hospital DrSpencer, WV 25276 (304) 927‑6267
- 301 49th St, Suite ACharleston, WV 25304 (304) 925‑3937
- 301 49th St SE, Suite ACharleston, WV 25304
- 701 Madison AveMadison, WV 25130 (304) 369‑1230
Specialties
- Ophthalmologyprimary
Other ophthalmologists in West Virginia
Clinicians with the same Medicare primary specialty in West Virginia — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | West Virginia University School Of Medicine |
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093709289 |
| 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