Quick answers
- Which hospitals does William C. Shepherd work at?
- Medicare's official clinician data lists William C. Shepherd at 1 hospital: Cayuga Medical Center at Ithaca. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William C. Shepherd see patients?
- Medicare's clinician data lists 2 practice locations, including Ithaca, NY and Cortland, NY. Call before your visit to confirm the address.
- What is William C. Shepherd's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does William C. Shepherd accept Medicare assignment?
- Yes. Medicare's clinician data says William C. Shepherd 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 William C. Shepherd?
- (607) 274-4411, as listed in official Medicare / NPI Registry data.
- What is William C. Shepherd's NPI number?
- 1821071499. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William C. Shepherd works
Medicare's Facility Affiliation Data lists William C. Shepherd at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cayuga Medical Center at IthacaIthaca, NY · Acute Care Hospital · CCN 330307
Practice locations
Addresses where William C. Shepherd is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 Dates DrIthaca, NY 14850 (607) 274‑4411
- 1129 Commons AveCortland, NY 13045 (607) 756‑7200
Group practices
Medicare enrollment lists William C. Shepherd as a member of this group (CMS data updated 2026-10-02).
- Cma Medical Practice PLLC28 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Ithaca
Clinicians with the same Medicare primary specialty in Ithaca, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albany Medical College Of Union University |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821071499 |
| 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