Quick answers
- Which hospitals does Mark P. St John work at?
- Medicare's official clinician data lists Mark P. St John at 1 hospital: University Hospital S U N y Health Science Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark P. St John see patients?
- Medicare's clinician data lists 1 practice location in Baldwinsville, NY. Call before your visit to confirm the address.
- What is Mark P. St John's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Mark P. St John accept Medicare assignment?
- Yes. Medicare's clinician data says Mark P. St John 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 Mark P. St John?
- (315) 638-2521, as listed in official Medicare / NPI Registry data.
- What is Mark P. St John's NPI number?
- 1295999266. 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 P. St John works
Medicare's Facility Affiliation Data lists Mark P. St John at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University Hospital S U N y Health Science CenterSyracuse, NY · Acute Care Hospital · CCN 330241
Practice locations
Addresses where Mark P. St John is enrolled with Medicare (CMS data updated 2026-10-02).
- 7740 Meigs RdBaldwinsville, NY 13027 (315) 638‑2521
Group practices
Medicare enrollment lists Mark P. St John as a member of this group (CMS data updated 2026-10-02).
- Syracuse Home Association4 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295999266 |
| 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