Quick answers
- Which hospitals does Johnathan Sun work at?
- Medicare's official clinician data lists Johnathan Sun at 2 hospitals: Ellis Hospital and St Marys Healthcare. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Johnathan Sun see patients?
- Medicare's clinician data lists 2 practice locations, including Schenecctady, NY and Schenectady, NY. Call before your visit to confirm the address.
- What is Johnathan Sun's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Johnathan Sun accept Medicare assignment?
- Yes. Medicare's clinician data says Johnathan Sun 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 Johnathan Sun?
- (518) 243-4000, as listed in official Medicare / NPI Registry data.
- What is Johnathan Sun's NPI number?
- 1932342771. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Johnathan Sun works
Medicare's Facility Affiliation Data lists Johnathan Sun at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ellis HospitalSchenectady, NY · Acute Care Hospital · CCN 330153
- St Marys HealthcareAmsterdam, NY · Acute Care Hospital · CCN 330047
Practice locations
Addresses where Johnathan Sun is enrolled with Medicare (CMS data updated 2026-10-02).
- 1101 Nott StSchenecctady, NY 12308 (518) 243‑4000
- 1101 Nott St, Emergency DeptSchenectady, NY 12308 (518) 243‑1916
Group practices
Medicare enrollment lists Johnathan Sun as a member of this group (CMS data updated 2026-10-02).
- Ellis Hospital249 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Schenecctady
Clinicians with the same Medicare primary specialty in Schenecctady, NY — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932342771 |
| 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