Quick answers
- Which hospitals does Christopher A. Kellogg work at?
- Medicare's official clinician data lists Christopher A. Kellogg at 5 hospitals: Carthage Area Hospital, Inc, Lewis County General Hospital, River Hospital Clinics, Samaritan Medical Center and St Joseph's Hospital Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Christopher A. Kellogg see patients?
- Medicare's clinician data lists 1 practice location in Watertown, NY. Call before your visit to confirm the address.
- What is Christopher A. Kellogg's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Christopher A. Kellogg accept Medicare assignment?
- Yes. Medicare's clinician data says Christopher A. Kellogg 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 Christopher A. Kellogg?
- (315) 782-2141, as listed in official Medicare / NPI Registry data.
- What is Christopher A. Kellogg's NPI number?
- 1598260119. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Christopher A. Kellogg works
Medicare's Facility Affiliation Data lists Christopher A. Kellogg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Carthage Area Hospital, IncCarthage, NY · Critical Access Hospital · CCN 331318
- Lewis County General HospitalLowville, NY · Critical Access Hospital · CCN 331317
- River Hospital ClinicsAlexandria Bay, NY · Critical Access Hospital · CCN 331309
- Samaritan Medical CenterWatertown, NY · Acute Care Hospital · CCN 330157
- St Joseph's Hospital Health CenterSyracuse, NY · Acute Care Hospital · CCN 330140
Practice locations
Addresses where Christopher A. Kellogg is enrolled with Medicare (CMS data updated 2026-10-02).
- 53 -59 Public Sq, Suite 301Watertown, NY 13601 (315) 782‑2141
Group practices
Medicare enrollment lists Christopher A. Kellogg as a member of this group (CMS data updated 2026-10-02).
- Watertown Internists PC10 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Watertown
Clinicians with the same Medicare primary specialty in Watertown, NY — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598260119 |
| 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