Quick answers
- Which hospitals does Frederick Hong work at?
- Medicare's official clinician data lists Frederick Hong at 3 hospitals: Kaleida Health, Mount St. Mary's Hospital & Health Center and Sisters of Charity Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Frederick Hong see patients?
- Medicare's clinician data lists 1 practice location in Williamsville, NY. Call before your visit to confirm the address.
- What is Frederick Hong's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Frederick Hong accept Medicare assignment?
- Yes. Medicare's clinician data says Frederick Hong 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 Frederick Hong?
- (716) 634-3340, as listed in official Medicare / NPI Registry data.
- What is Frederick Hong's NPI number?
- 1366436198. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Frederick Hong works
Medicare's Facility Affiliation Data lists Frederick Hong at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kaleida HealthBuffalo, NY · Acute Care Hospital · CCN 330005
- Mount St. Mary's Hospital & Health CenterLewiston, NY · Acute Care Hospital · CCN 330188
- Sisters of Charity HospitalBuffalo, NY · Acute Care Hospital · CCN 330078
Practice locations
Addresses where Frederick Hong is enrolled with Medicare (CMS data updated 2026-10-02).
- 199 Park Club Ln, Suite 200Williamsville, NY 14221 (716) 634‑3340
Group practices
Medicare enrollment lists Frederick Hong as a member of this group (CMS data updated 2026-10-02).
- Rpci Oncology, PC65 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Williamsville
Clinicians with the same Medicare primary specialty in Williamsville, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Vermont College Of Medicine |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366436198 |
| 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