Quick answers
- Which hospitals does Mark E. Slaven work at?
- Medicare's official clinician data lists Mark E. Slaven at 5 hospitals: Oneida Health Hospital, Oswego Hospital, Rome Memorial Hospital, Inc, University Hospital S U N y Health Science Center and Wynn Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark E. Slaven see patients?
- Medicare's clinician data lists 8 practice locations, including Cortland, NY, Oneida, NY and Rome, NY. Call before your visit to confirm the address.
- What is Mark E. Slaven's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Mark E. Slaven accept Medicare assignment?
- Medicare's clinician data says Mark E. Slaven may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Mark E. Slaven offer telehealth?
- Medicare's clinician data says Mark E. Slaven offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark E. Slaven?
- (315) 363-9281, as listed in official Medicare / NPI Registry data.
- What is Mark E. Slaven's NPI number?
- 1750498416. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark E. Slaven works
Medicare's Facility Affiliation Data lists Mark E. Slaven at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Oneida Health HospitalOneida, NY · Acute Care Hospital · CCN 330115
- Oswego HospitalOswego, NY · Acute Care Hospital · CCN 330218
- Rome Memorial Hospital, IncRome, NY · Acute Care Hospital · CCN 330215
- University Hospital S U N y Health Science CenterSyracuse, NY · Acute Care Hospital · CCN 330241
- Wynn HospitalUtica, NY · Acute Care Hospital · CCN 330044
Practice locations
Addresses where Mark E. Slaven is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 16 Crawford StCortland, NY 13045 (315) 363‑9281
- 165 Main StOneida, NY 13421 (315) 363‑9281
- 200 W Dominick StRome, NY 13440 (315) 339‑6536
- 305 Main StBinghamton, NY 13905 (607) 729‑1295
- 5635 State Route 31Verona, NY 13478 (315) 363‑9253
Group practices
Medicare enrollment lists Mark E. Slaven as a member of these groups (CMS data updated 2026-10-02).
- State of New York Comptrollers Office170 clinicians in the group
- Nysarc Inc.15 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Cortland
Clinicians with the same Medicare primary specialty in Cortland, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Pittsburgh School Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1750498416 |
| 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